CN1804260A - Thermal insulation covering for external wall - Google Patents
Thermal insulation covering for external wall Download PDFInfo
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- CN1804260A CN1804260A CN 200610002766 CN200610002766A CN1804260A CN 1804260 A CN1804260 A CN 1804260A CN 200610002766 CN200610002766 CN 200610002766 CN 200610002766 A CN200610002766 A CN 200610002766A CN 1804260 A CN1804260 A CN 1804260A
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Abstract
The invention discloses an external wall thermal insulation coat, which comprises a light adherent slurry layer adhered on external wall, a thermal insulation plate and a light smear slurry layer. Wherein, said light smear slurry layer has a network cloth in the center; the adhering slit of said thermal insulation plate is covered by self-glue belt. The invention has the advantages of anti-break, better thermal insulation effect, reduced weight of thermal insulation coat caused by light adhering slurry and light smear slurry, high strength, longer service life and the application for variable constructions.
Description
Technical field
The present invention relates to a kind of construction wall, particularly a kind of thermal insulation covering for external wall.
Background technology
Existing external composite layer, mostly be that the surface attachment of body of wall outside has the warming plate by mortar bonding commonly used, warming plate adheres to grid cloth and plastering mortar commonly used outward again, be covered with facing again, to reach the insulation purpose, there are following four problems in this structure: one, not long-time after the external composite layer completion, the stress that expands with heat and contract with cold that produces owing to the warming plate temperature influence, or the relatively poor plastering mortar of service property (quality), clad surface plate seam position is prone to cracking, be easy to be subjected to the intrusion of rainwater, thereby reduced the heat insulation effect of coating; Two, because existing warming plate technology adopts bar to glue more or point is sticking, the insulation construction of this cavity way has reduced the anti-wind pressure of coating; Simultaneously existing warming plate surface cooperates grid cloth to do the cracking resistance overcoat with mortar, and wherein selected mortar proportion is often greater than 1.8g/cm
3, this heat insulation system has increased the load of heat insulating coating self, so present warming plate system way exists the not high hidden danger of safety; Three, the coefficient of thermal conductivity of traditional mortar is generally greater than 0.9W/m.k, and the heat insulation effect of system can only rely on warming plate self, mortar to the heat-insulating property of system almost without any contribution, indirect reduction the heat insulation effect of heat insulating coating.Four, need to adopt when strengthening the insulation way for highly surpassing 30m, furring brick etc., often adopt paving galvanized metal net to strengthen heat insulating coating, the weak point of this way is: the galvanized metal net is under the alkaline environment of cement, easily be corroded, galvanized metal net and mortar break away from gradually, and lose due booster action.
Summary of the invention
The present invention provides a kind of thermal insulation covering for external wall for overcoming defective of the prior art, has excellent cracking resistance, and excellent heat insulation effect has reduced the deadweight of heat insulating coating relatively, thereby had higher-strength.
In order to solve the problems of the technologies described above, thermal insulation covering for external wall of the present invention, comprise lightweight bonding mortar layer, warming plate and the lightweight plastering mortar layer of the external surface that is attached to exterior wall successively, accompany grid cloth in the described lightweight plastering mortar layer, the splicing seams place of described warming plate is coated with single-coated foam.Employed single-coated foam tool is with good alkali resistance, high-intensity tensile resistence and deformation resistance, outstanding tack and good docile property, simple and convenient, easy constructing operation.
Described lightweight bonding mortar layer integral body is covered in the plate face of warming plate, and making between warming plate and the outer body of wall does not have cavity, has improved the fire line of heat insulating coating.
Described warming plate is polystyrene thermal insulation plate or polyurethane thermal insulation board.
The width of described single-coated foam is more than or equal to 100mm, to improve the anti crack performance of heat insulating coating.
Described lightweight bonding mortar is mixed by A component and the B component ratio according to 1: 1.5～1: 5.0, and described A component contains the water of 500～850 weight portions, the water-loss reducer of 1～10 weight portion, the alkaline-resisting emulsion of 500～150 weight portions, the mould inhibitor of 0.5～3 weight portion and the defoamer of 0.2～2 weight portion; Described B component contains the cement of 200～600 weight portions, 20～120 order perlites of 50～150 weight portions, 20～120 order quartz sands, 0.3～3 weight portion waterproof agent, the cement antifreezing agent of 0.2～1 weight portion, the cement water reducing agent of 0.2～1 weight portion and the cement early strength agent of 0.2～1 weight portion of 250～750 weight portions.Adopt this kind lightweight bonding mortar, the adhesion strength height, long-term use is not peeled off, is not ftractureed.Proportion, coefficient of thermal conductivity have reduced the load of system to body of wall far below common bonding mortar, the safety that has improved system, and the while has also been improved the heat insulation effect of coating integral body.Nontoxic, harmless, free from extraneous odour are applicable to the bonding of warming plate.
The technical indicator of above-mentioned lightweight bonding mortar is as shown in the table:
| Project | Index | |
| Density | ≤0.7g/cm 3 | |
| Coefficient of thermal conductivity | ≤0.2W/m.K | |
| Stretching adhesive strength (with warming plate) | Former intensity | 〉=0.1MPa destroys the interface on warming plate |
| Water-fast | 〉=0.1MPa destroys the interface on warming plate | |
| Freeze-thawing resistant | 〉=0.1MPa destroys the interface on warming plate | |
| Pliability | Backfin is than (cement based) | ≤3.0 |
| Cracking strain (non-cement based) | ≥1.5 | |
| Operable time | 1.5～4.0h | |
Described lightweight plastering mortar is mixed by first component and the second component ratio according to 1: 1.5～1: 4.5, described first component contains the water of 400～800 weight portions, the water-loss reducer of 1～10 weight portion, the defoamer of the alkaline-resisting emulsion of 600～200 weight portions, the mould inhibitor of 0.5～3 weight portion, 0.2～2 weight portion; Described second component contains the cement of 100～500 weight portions, 20～120 order perlites of 50～200 weight portions, 20～120 order quartz sands of 300～850 weight portions, inorganic or organic anti-crack fiber of 3～20 weight portions, the waterproof agent of 0.3～3 weight portion, the cement antifreezing agent of 0.2～1 weight portion, the cement water reducing agent of 0.2～1 weight portion and the cement early strength agent of 0.2～1 weight portion.This lightweight plastering mortar proportion, coefficient of thermal conductivity have reduced the load of heat insulating coating to body of wall far below common bonding mortar, have improved safety, have also improved the heat insulation effect of heat insulating coating integral body simultaneously; And anti-cracking performance is good, and the adhesion strength height does not ftracture, uses for a long time and do not peel off; Optimal balance point with hot strength and expansion and contraction, the effective stress that release temperature changes and deformation of wall is produced, thus guaranteed the overall performance of heat insulating coating.Nontoxic, harmless, free from extraneous odour.Be applicable to the bonding of grid cloth in the warming plate heat insulating coating.
It is as shown in the table for the technical indicator of above-mentioned lightweight plastering mortar:
| Project | Index | |
| Density | ≤0.7g/cm 3 | |
| Coefficient of thermal conductivity | ≤0.2W/m.K | |
| Stretching adhesive strength (with warming plate) | Former intensity | 〉=0.1MPa destroys the interface on warming plate |
| Water-fast | 〉=0.1MPa destroys the interface on warming plate | |
| Freeze-thawing resistant | 〉=0.1MPa destroys the interface on warming plate | |
| Pliability | Backfin is than (cement based) | ≤3.0 |
| Cracking strain (non-cement based) | ≥1.5 | |
| Operable time | 1.5～4.0h | |
The thickness of described lightweight bonding mortar layer is 3～15mm.
The thickness of described lightweight plastering mortar layer is 3～15mm.
Described lightweight plastering mortar layer external surface is attached with the flexible waterproof putty layer, and described flexible waterproof putty layer external surface is attached with the water-proof elastic scratch coat, and this waterproofing course external surface is attached with finish coat.The classification of waterproof height of this flexible waterproof putty effectively reduces the influence of rain penetration to adiabatic core material heat-insulating property; The adhesion strength height, long-term use is not peeled off, is not ftractureed; Optimal balance point with hot strength and expansion and contraction, the further stress that release temperature changes and deformation of wall is produced, thus guaranteed the overall performance of thermal insulation system; Nontoxic, harmless, free from extraneous odour.Convenient transportation, the storage time is long; Be mainly used in the water resistance that improves thermal insulation covering for external wall and further improve the outer field cracking behavior of heat insulating coating.This water-proof elastic primary coat waterproof, ventilative, splitting resistance is good.
Also be provided with one deck grid cloth in the described lightweight plastering mortar layer, to improve the intensity and the anti crack performance of skin body coating.
The present invention includes lightweight bonding mortar layer, warming plate, grid cloth and lightweight plastering mortar layer and finish coat.With the lightweight bonding mortar warming plate is pasted on the body of wall during construction, external surface is smeared the lightweight plastering mortar, and the alkaline-resisting grid cloth of folder is done flexible waterproof putty and water-proof elastic primary coat in the plastering mortar on the plastering mortar surface, finish coat construction then.This system also has following many characteristics except that satisfying multiple building energy conservation requirement:
1, the insulation heat-insulating property is good.Common bonding mortar and plastering mortar since coefficient of thermal conductivity greater than 0.9W/m.k, so the heat insulation effect contribution to heat insulating coating is little, the selected lightweight bonding mortar coefficient of thermal conductivity of the present invention is less than 0.3W/m.k, lightweight plastering mortar coefficient of thermal conductivity is less than 0.2W/m.k, coefficient of thermal conductivity far below common bonding and plastering mortar, compare with conventional paste heat-preserving plate heat insulating coating, reduced the thermal transmittance of heat insulating coating, promptly improved the heat insulation effect of heat insulating coating.Under identical energy conservation standard requires and conventional paste heat-preserving plate compare, can reduce the thickness of warming plate, improved the economic benefit of engineering.Can satisfy simultaneously all requirements of the building energy-saving 65% in area of China fully.
2, the heat insulating coating bulk strength improves, because the present invention adopts the proportion of lightweight bonding mortar less than 0.9g/cm
3, the proportion of lightweight plastering mortar is less than 0.7g/cm
3And the adhesive strength height, the bonding and warming plate system of wiping one's face under same thickness adhesive linkage and float coat situation, has reduced the deadweight of heat insulating coating with respect to ordinary mortar, the high again intensity of heat insulating coating.
3, fireproof performance is good, the lightweight plastering mortar is because coefficient of thermal conductivity is low, so heat-proof quality is than general plastering mortar excellence, having under the situation of burning things which may cause a fire disaster, lightweight plastering mortar layer can completely cut off burning things which may cause a fire disaster in a long time, the protection warming plate is avoided the invasion of burning things which may cause a fire disaster, avoids the spontaneous combustion of warming plate, for fire fighting tries to gain time precious to one; Simultaneously, warming plate adopts no cavity to paste and common bar glues and the sticking method of point is compared, and has completely cut off the circulation of air, has broken off one of three elements of burning: oxygen, avoided the generation of warming plate burning, so the fire-protection rating of heat insulating coating improves greatly.
4, cracking resistance excellence.The first, because low many of the coefficient of thermal conductivity of the general mortar of thermal conductivity ratio of lightweight plastering mortar, more approaching with the coefficient of thermal conductivity of warming plate, so the deformability and the warming plate of lightweight plastering mortar layer are more approaching, are having under the situation of variations in temperature and can telescopic variation take place synchronously with warming plate; The second, lightweight plastering mortar layer has the optimal balance point of hot strength and expansion and contraction, can digest release temperature and change the stress that is produced; Three, warming plate is connected processing with the warming plate splicing seams with the cracking resistance single-coated foam, this cracking resistance single-coated foam has high-intensity tensile resistence and deformation resistance, outstanding tack, can improve the splitting resistance at plate seam position greatly, simultaneously warming plate is linked to be an integral body, has guaranteed the overall performance of heat insulating coating.The present invention is integrated three kinds of cracking resistance modes, makes the anti-crack ability of thermal insulation covering for external wall of the present invention be better than general heat insulating coating.
5, resisting wind press capacity is good.Because the lightweight bonding mortar is flexible better, coefficient of deformation can satisfy the modulus of deformation of warming plate, can not have cavity and pastes, and Wind-Pressure Resistance is better.
6, adopt when strengthening way, when promptly depth of building is greater than 30m or employing decorating surface brick, substitutes the galvanized metal net with the alkaline-resisting grid cloth of the better reinforcement of alkali resistance and in heat insulating coating, play booster action.Because the galvanized metal net easily corrodes under the alkaline environment of cement, when especially adopting wire lath off quality, this phenomenon is inevitable especially.Corrosion along with wire lath, wire lath and mortar can progressively break away from, thereby lose the system enhancement effect, strengthen alkaline-resisting grid cloth because the alkaline resistance properties excellence is difficult for suffering erosion under alkaline environment, so can the midium or long term play booster action in system, make heat insulating coating more permanent service time.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the structural representation of another embodiment of the present invention (when promptly strengthening way);
Fig. 3 is the schematic diagram of warming plate arrangement mode.
The accompanying drawing sign
1, outer body of wall 2, lightweight bonding mortar layer 3, warming plate
4, grid cloth 5, lightweight plastering mortar layer 6, T type holder part
7, anchoring piece 8, single-coated foam
The specific embodiment
The present invention is described in detail for following structure accompanying drawing.
As Fig. 1 and as shown in Figure 3, one embodiment of thermal insulation covering for external wall of the present invention, the lightweight bonding mortar layer 2, warming plate 3 and the lightweight plastering mortar layer 5 that comprise the external surface that is attached to exterior wall 1 successively, accompany grid cloth 4 in the described lightweight plastering mortar layer 5, the splicing seams place of described warming plate 3 is coated with single-coated foam 8, described warming plate 3 dislocation are arranged, and adopt anchoring piece 7 fixing.The width of described single-coated foam is more than or equal to 100mm.Described lightweight bonding mortar layer 2 integral body are covered in the plate face of warming plate 3, adopt no cavity bonding mode.The thickness of described lightweight bonding mortar layer is 3～15mm.The thickness of described lightweight plastering mortar layer is 3～15mm.
As shown in Figure 2, be another embodiment of the present invention, be strengthen way, when being applicable to height greater than the building of 30m and decorating surface brick.In this example, grid cloth 4 is the alkaline-resisting grid cloth of reinforcement, and fixing with anchoring piece 7, and adds nail T type holder part 6 in every layer of lightweight bonding mortar layer 2.
Described warming plate 3 can adopt polystyrene thermal insulation plate or polyurethane thermal insulation board.
Described lightweight plastering mortar layer 5 external surface are attached with the flexible waterproof putty layer, and described flexible waterproof putty layer external surface is attached with the water-proof elastic scratch coat, and this waterproofing course external surface is attached with the finish coat (not shown).
When the building first floor is laid, lightweight plastering mortar layer 5 inherence in the embodiment shown in fig. 1 also are provided with one deck and strengthen alkaline-resisting grid cloth (not shown).
One, execution conditions
1, after the building main body was checked and accepted, the outer door and window of exterior wall was checked and accepted and is finished, and basic unit reaches the requirement of " Standard for quality inspection and assessment of buiding construction ".
2, construction should be adopted climbing scaffold, hanging basket, and except that designing requirement, body of wall does not answer reserving hole that scaffold is set, and removes the foreign material that other is an impediment to construction.
3, construction of basic unit's body of wall and door and window mouth and check finish, and the fire ladder on the exterior wall, leader, various house-service pipeline, burglary-resisting window built-in fitting etc. are answered installation in position.
4, continuous 5 days mean daily temperatures of job site environment temperature and basic unit's surface of wall temperature should not be lower than 5 ℃, and wind-force is not more than 5 grades.During winter construction, should adopt corresponding safeguard measure, the rainy day should stop construction or adopt an effective measure, and prevents the rain drop erosion metope.
When 5, constructing, should avoid exposure in sunshine, can on construction scaffolding, set up sun-proof cloth in case of necessity, block the construction metope.
6, walling system is in work progress, should adopt necessary safeguard measure, and the metope that prevents to construct is polluted and damage, wait to build structural features by designing requirement construct finish after, can remove the protection thing.
Two, construction tool
1, forced action type transverse axis mortar mixer, vertical transportation machinery, horizontal transport vehicle, hand mixer, Electric portable drill etc.
2, floater commonly used and the special detection tool of plastering, transit and unwrapping wire instrument, bucket, scissors, round brush, spade, broom, hand hammer, wallpaper cutter, cable inlet bracket, square chi, guiding ruler, clearance gauge, probe, steel ruler etc.
3, hanging basket or special-purpose construction scaffolding.
Three, construction point
1, basic unit's metope is handled: metope should be cleaned out oil stain, floating dust etc.Old metope is loosening, the weathering position should be rejected totally, and protrusion should be evened out greater than 5mm.
2, hang vertical, cover side, look for rule, play the THICKNESS CONTROL line, draw vertically, level leads to line.
3, the construction of warming plate:
A, the full sticking mode of employing, the lightweight bonding mortar that stirs is applied on the warming plate with band tooth trowel, THICKNESS CONTROL is about 5～20mm, plate is pasted moving the getting final product of light on the wall kneadding, thickness of adhibited layer behind the pasting boards should be not less than 3mm, after the bonding slurry drying of lightweight solidifies, fixes with anchoring piece, with cracking resistance single-coated foam pasting boards seam, cracking resistance single-coated foam width is not less than 100mm then.It should be noted the warming plate arrangement that should misplace, the every square meter of anchoring piece should not be less than 2, becomes the plum blossom shape to arrange.
B, paste heat-preserving plate can carry out the construction of lightweight plastering mortar layer after 24 hours.
4, do the lattice lines
1) according to the elevation of building situation, the lattice seam is answered layering setting, the monolateral length≤15m of piecemeal area.
2) position of on warming plate, ejecting frame bar and drip by designing requirement.
3) leave the groove of setting along the good frame bar of bullet with the wallpaper cutter.
4) the full lightweight plastering mortar of embedding in groove embeds drip in the groove, and is firm with lightweight plastering mortar bonding, with the floating crops for rotation of this material.
5) lattice seam width should not should adopt the construction of in-place forming method less than 5cm.Specific practice is to hold the lattice slot on warming plate successfully, and size is than the wide 10mm of designing requirement, dark 5mm.
5, lightweight plastering mortar construction
Alkali resistant glass fibre open weave cloth is pressed the floor gap size and is cut out in advance, smear lightweight plastering mortar thickness 2～3mm, having smeared certain width should be pressed into alkali resistant glass fibre open weave cloth in the lightweight screed with trowel immediately, and wipe off, be pressed in proper order from a side direction opposite side, require smooth corrugationless, the plumpness of special-purpose adhesive mortar should reach 100%, forbids dried taking.Smear second layer lightweight plastering mortar immediately, the about 1～12mm of thickness covers alkali resistant glass fibre open weave cloth.The alkali resistant glass fibre open weave cloth lap width should be less than 50mm, and overlap cements with the lightweight plastering mortar, is pressed into a side earlier and smears the lightweight plastering mortar, is pressed into opposite side again, and it is smooth non-wrinkled that the alkali resistant glass fibre open weave cloth paving is wanted.The building first floor is answered the double-deck alkali resistant glass fibre open weave cloth of paving, and first floor is answered the reinforced alkali resistant glass fibre open weave cloth of paving, but should note the appropriate to the occasion butt joint of paving reinforcement alkali resistant glass fibre open weave cloth, with the paving construction that can carry out common alkali resistant glass fibre open weave cloth.The method that alkali resistant glass fibre open weave cloth and common alkali resistant glass fibre open weave cloth are strengthened in paving requires as hereinbefore.The full stress release material of embedding is answered at lattice seam place, and the alkali resistant glass fibre open weave cloth overlapping part should design at lattice seam place.Building first floor exterior wall external corner should add the special plastic corner protector between double-deck alkali resistant glass fibre open weave cloth, the corner protector height should be no less than 2m.Strengthen alkali resistant glass fibre open weave cloth construction back at first pass and add, all the other each layer negative and positive angles, door and window bicker are used double-deck alkali resistant glass fibre open weave cloth parcel and are strengthened, and the monolateral length of cornerite alkali resistant glass fibre open weave cloth should be less than 20cm.
6, the reinforced construction of insulation layer
Depth of building is greater than 30m, or during binding face tile, every layer should add nail T type holder part, and substitute common alkali resistant glass fibre open weave cloth with strengthening alkali resistant glass fibre open weave cloth, and behind the paving alkali resistant glass fibre open weave cloth, dry 24h, reinforce with anchoring piece, the every square meter of anchoring piece quantity should not be less than 4, becomes the plum blossom shape to arrange, and then smears one deck lightweight plastering mortar.
Four, construction technology:
1, the construction of insulation layer
1) preparation lightweight bonding mortar.The lightweight bonding mortar is mixed by A component and the B component ratio according to 1: 1.5～1: 5.0, and described A component contains the water of 500～850 weight portions, the water-loss reducer of 1～10 weight portion, the alkaline-resisting emulsion of 500～150 weight portions, the mould inhibitor of 0.5～3 weight portion and the defoamer of 0.2～2 weight portion; Described B component contains the cement of 200～600 weight portions, 20～120 order perlites of 50～150 weight portions, 20～120 order quartz sands, 0.3～3 weight portion waterproof agent, the cement antifreezing agent of 0.2～1 weight portion, the cement water reducing agent of 0.2～1 weight portion and the cement early strength agent of 0.2～1 weight portion of 250～750 weight portions.
Embodiment 1: A component in the lightweight bonding mortar and B component are mixed with 1: 3.5 ratio, and water is 650Kg in the A component, and water-loss reducer is 5Kg, and alkaline-resisting emulsion is 350Kg, and mould inhibitor is 1.5Kg, and defoamer is 1Kg; Cement in the described B component is 400Kg, and 20～120 order perlites are 100Kg, and 20～120 order quartz sands are 500Kg, and waterproof agent is 1.5Kg, and the cement antifreezing agent is 0.6Kg, and cement water reducing agent is 0.6Kg, and cement early strength agent is 0.6Kg.
Embodiment 2: A component in the lightweight bonding mortar and B component are mixed with 1: 2.5 ratio, and water is 650Kg in the A component, and water-loss reducer is 3Kg, and alkaline-resisting emulsion is 350Kg, and mould inhibitor is 1.5Kg, and defoamer is 1.2Kg; Cement in the described B component is 400Kg, and 20～120 order perlites are 100Kg, and 20～120 order quartz sands are 500Kg, and waterproof agent is 1Kg, and the cement antifreezing agent is 0.6Kg, and cement water reducing agent is 0.6Kg, and cement early strength agent is 0.6Kg.
Embodiment 3: A component in the lightweight bonding mortar and B component are mixed with 1: 5 ratio, and water is 850Kg in the A component, and water-loss reducer is 10Kg, and alkaline-resisting emulsion is 150Kg, and mould inhibitor is 0.5Kg, and defoamer is 0.2Kg; Cement in the described B component is 200Kg, and 20～120 order perlites are 150Kg, and 20～120 order quartz sands are 650Kg, and waterproof agent is 0.3Kg, and the cement antifreezing agent is 0.2Kg, and cement water reducing agent is 0.2Kg, and cement early strength agent is 0.2Kg.
2) adopt full sticking mode, the lightweight bonding mortar that stirs is applied on the warming plate with band tooth trowel, with the whole covering of the plate face of warming plate, THICKNESS CONTROL is pasted moving the getting final product of light on the wall kneadding with plate about 5～20mm, the thickness of adhibited layer behind the pasting boards should be not less than 3mm, after the bonding slurry drying of lightweight solidifies, fix with anchoring piece, with cracking resistance single-coated foam pasting boards seam, cracking resistance single-coated foam width is not less than 100mm then.
3) construction temperature 〉=5 ℃, plate is sticking on the wall after 24 hours, just can carry out the construction of lightweight float coat.
2, the construction of lightweight plastering mortar layer
1) alkali resistant glass fibre open weave cloth is cut out in advance.
2) preparation lightweight plastering mortar.Described lightweight plastering mortar is mixed by first component and the second component ratio according to 1: 1.5～1: 4.5, described first component contains the water of 400～800 weight portions, the water-loss reducer of 1～10 weight portion, the defoamer of the alkaline-resisting emulsion of 600～200 weight portions, the mould inhibitor of 0.5～3 weight portion, 0.2～2 weight portion; Described second component contains the cement of 100～500 weight portions, 20～120 order perlites of 50～200 weight portions, 20～120 order quartz sands of 300～850 weight portions, inorganic or organic anti-crack fiber of 3～20 weight portions, the waterproof agent of 0.3～3 weight portion, the cement antifreezing agent of 0.2～1 weight portion, the cement water reducing agent of 0.2～1 weight portion and the cement early strength agent of 0.2～1 weight portion.
Embodiment 1: described lightweight plastering mortar is mixed by first component and the second component ratio according to 1: 1.5, and described first component contains the water of 400Kg, the water-loss reducer of 1Kg, the alkaline-resisting emulsion of 600Kg, the mould inhibitor of 3Kg and the defoamer of 2Kg; Described second component contains the cement of 500Kg, 20～120 order perlites of 50Kg, 20～120 order quartz sands of 450Kg, inorganic or organic anti-crack fiber of 20Kg, the waterproof agent of 3Kg, the cement antifreezing agent of 1Kg, the cement water reducing agent of 1Kg and the cement early strength agent of 1Kg.
Embodiment 2: described lightweight plastering mortar is mixed by first component and the second component ratio according to 1: 4.5, and described first component contains the water of 800Kg, the water-loss reducer of 10Kg, the alkaline-resisting emulsion of 200Kg, the mould inhibitor of 0.5Kg and the defoamer of 0.2Kg; Described second component contains the cement of 100Kg, 20～120 order perlites of 200Kg, 20～120 order quartz sands of 700Kg, inorganic or organic anti-crack fiber of 3Kg, the waterproof agent of 0.3Kg, the cement antifreezing agent of 0.2Kg, the cement water reducing agent of 0.2Kg and the cement early strength agent of 0.2Kg.
Embodiment 3: described lightweight plastering mortar is mixed by first component and the second component ratio according to 1: 3, and described first component contains the water of 600Kg, the water-loss reducer of 5Kg, the alkaline-resisting emulsion of 400Kg, the mould inhibitor of 1.5Kg and the defoamer of 1Kg; Described second component contains the cement of 300Kg, 20～120 order perlites of 120Kg, 20～120 order quartz sands of 580Kg, inorganic or organic anti-crack fiber of 10Kg, the waterproof agent of 1.5Kg, the cement antifreezing agent of 0.6Kg, the cement water reducing agent of 0.6Kg and the cement early strength agent of 0.6Kg.
3) at first smear the lightweight plastering mortar, thickness 2～3mm, having smeared certain width should be pressed into alkali resistant glass fibre open weave cloth in the lightweight screed with trowel immediately, and wipe off, overlap joint is not less than 50mm between alkali resistant glass fibre open weave cloth, is pressed in proper order from a side direction opposite side, requires smooth corrugationless, the plumpness of special-purpose adhesive mortar should reach 100%, forbids dried taking.Smear second layer lightweight plastering mortar immediately, the about 1～12mm of thickness covers alkali resistant glass fibre open weave cloth.
4) the double-deck alkali resistant glass fibre open weave cloth of first floor paving.First floor is reinforced alkali resistant glass fibre open weave cloth, adopts the mode paving dock between net and the net; The second layer is common alkali resistant glass fibre open weave cloth, adopts the mode paving of overlap joint between net and the net.The lightweight plastering mortar should be full between the two-grid cloth, forbids dry doubling, and add Plastic protective corner between the two-grid cloth at external corner place.
5) each layer negative and positive angle, door and window bicker Application Grid cloth parcel strengthen.
When 6) strengthening way, substitute common alkali resistant glass fibre open weave cloth, it should be noted that and after having spread grid cloth, answered dry 24 hours, with the fixing alkali resistant glass fibre open weave cloth of strengthening of anchoring piece, smear second layer plastering mortar more then with strengthening alkali resistant glass fibre open weave cloth.
3, finish coat construction
After plastering mortar layer drying, smear flexible waterproof putty, brush water-proof elastic primary coat, coating or decorating surface brick.
Claims (10)
1, a kind of thermal insulation covering for external wall, the lightweight bonding mortar layer, warming plate and the lightweight plastering mortar layer that comprise the external surface that is attached to exterior wall successively, accompany grid cloth in the described lightweight plastering mortar layer, it is characterized in that, the splicing seams place of described warming plate is coated with single-coated foam.
2, thermal insulation covering for external wall according to claim 1 is characterized in that described lightweight bonding mortar layer integral body is covered in the plate face of warming plate.
3, thermal insulation covering for external wall according to claim 1 is characterized in that described warming plate is polystyrene thermal insulation plate or polyurethane thermal insulation board.
4, thermal insulation covering for external wall according to claim 1 is characterized in that the width of described single-coated foam is more than or equal to 100mm.
5, thermal insulation covering for external wall according to claim 1, it is characterized in that, described lightweight bonding mortar is mixed by A component and the B component ratio according to 1: 1.5～1: 5.0, and described A component contains the water of 500～850 weight portions, the water-loss reducer of 1～10 weight portion, the alkaline-resisting emulsion of 500～150 weight portions, the mould inhibitor of 0.5～3 weight portion and the defoamer of 0.2～2 weight portion; Described B component contains the cement of 200～600 weight portions, 20～120 order perlites of 50～150 weight portions, 20～120 order quartz sands, 0.3～3 weight portion waterproof agent, the cement antifreezing agent of 0.2～1 weight portion, the cement water reducing agent of 0.2～1 weight portion and the cement early strength agent of 0.2～1 weight portion of 250～750 weight portions.
6, as thermal insulation covering for external wall as described in claim 1 or 5, it is characterized in that, described lightweight plastering mortar is mixed by first component and the second component ratio according to 1: 1.5～1: 4.5, described first component contains the water of 400～800 weight portions, the water-loss reducer of 1～10 weight portion, the defoamer of the alkaline-resisting emulsion of 600～200 weight portions, the mould inhibitor of 0.5～3 weight portion, 0.2～2 weight portion; Described second component contains the cement of 100～500 weight portions, 20～120 order perlites of 50～200 weight portions, 20～120 order quartz sands of 300～850 weight portions, inorganic or organic anti-crack fiber of 3～20 weight portions, the waterproof agent of 0.3～3 weight portion, the cement antifreezing agent of 0.2～1 weight portion, the cement water reducing agent of 0.2～1 weight portion and the cement early strength agent of 0.2～1 weight portion.
7, thermal insulation covering for external wall according to claim 1 is characterized in that the thickness of described lightweight bonding mortar layer is 3～15mm.
8, thermal insulation covering for external wall according to claim 1 is characterized in that the thickness of described lightweight plastering mortar layer is 3～15mm.
9, thermal insulation covering for external wall according to claim 1, it is characterized in that, described lightweight plastering mortar layer external surface is attached with the flexible waterproof putty layer, and described flexible waterproof putty layer external surface is attached with the water-proof elastic scratch coat, and this water-proof elastic scratch coat external surface is attached with finish coat.
10, thermal insulation covering for external wall according to claim 1 is characterized in that, also is provided with one deck grid cloth in the described lightweight plastering mortar layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100027669A CN100400759C (en) | 2006-01-25 | 2006-01-25 | Thermal insulation covering for external wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100027669A CN100400759C (en) | 2006-01-25 | 2006-01-25 | Thermal insulation covering for external wall |
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| CN1804260A true CN1804260A (en) | 2006-07-19 |
| CN100400759C CN100400759C (en) | 2008-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100027669A Expired - Fee Related CN100400759C (en) | 2006-01-25 | 2006-01-25 | Thermal insulation covering for external wall |
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| CN (1) | CN100400759C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561540A (en) * | 2011-04-03 | 2012-07-11 | 王杏林 | Fire hazard preventing method for wall heat-insulation system and structure |
| CN111502113A (en) * | 2020-05-28 | 2020-08-07 | 上海圣奎塑业有限公司 | External wall panel component and frame structure building system comprising same |
| CN112573879A (en) * | 2020-12-27 | 2021-03-30 | 安徽杰爱新材料股份有限公司 | Mortar for extruded polystyrene foam plastic insulation board and preparation method thereof |
| CN115075576A (en) * | 2022-07-21 | 2022-09-20 | 中国十七冶集团有限公司 | Construction method of homogeneous modified fireproof insulation board |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GR1003284B (en) * | 1998-06-22 | 1999-12-10 | 6� 9 6� 0fs@� 0 5#tfs | Energy-saving heat-insulation method by heat radiation and convection |
| CN2454440Y (en) * | 2000-11-07 | 2001-10-17 | 孙如江 | External-bound EPS heat-insulation wall body |
| CN1334393A (en) * | 2001-09-05 | 2002-02-06 | 李卫 | Method for constructing insulating layer of external wall for building |
| CN1465829A (en) * | 2002-07-05 | 2004-01-07 | 唐山盾石干粉建材有限责任公司 | Outer thermal-insulating wall body technology for external wall |
| CN1177115C (en) * | 2002-11-29 | 2004-11-24 | 北京振利高新技术公司 | Heat insulating polyurethane wall and its construction process |
| CN2672183Y (en) * | 2004-02-04 | 2005-01-19 | 薛良 | External wall energy saving coating |
| CN1274925C (en) * | 2004-07-16 | 2006-09-13 | 张志峰 | Novel thermal insulation and heat preservation building structure and construction technique |
| CN100489208C (en) * | 2005-06-09 | 2009-05-20 | 黄振利 | Concrete combined casting polyphenyl board external insulation plastering surface brick wall construction method |
-
2006
- 2006-01-25 CN CNB2006100027669A patent/CN100400759C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561540A (en) * | 2011-04-03 | 2012-07-11 | 王杏林 | Fire hazard preventing method for wall heat-insulation system and structure |
| CN111502113A (en) * | 2020-05-28 | 2020-08-07 | 上海圣奎塑业有限公司 | External wall panel component and frame structure building system comprising same |
| CN112573879A (en) * | 2020-12-27 | 2021-03-30 | 安徽杰爱新材料股份有限公司 | Mortar for extruded polystyrene foam plastic insulation board and preparation method thereof |
| CN115075576A (en) * | 2022-07-21 | 2022-09-20 | 中国十七冶集团有限公司 | Construction method of homogeneous modified fireproof insulation board |
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| Publication number | Publication date |
|---|---|
| CN100400759C (en) | 2008-07-09 |
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