CN218234069U - Threshold flashing structure of roof outlet door - Google Patents
Threshold flashing structure of roof outlet door Download PDFInfo
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- CN218234069U CN218234069U CN202221857345.5U CN202221857345U CN218234069U CN 218234069 U CN218234069 U CN 218234069U CN 202221857345 U CN202221857345 U CN 202221857345U CN 218234069 U CN218234069 U CN 218234069U
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Abstract
The application relates to a threshold flashing structure of going out roof door includes: the roof is characterized in that a slope finding layer and a heat insulation layer are sequentially paved on a substrate; the concrete doorsill is positioned above the roof, and a groove is formed in the side face of the top of the concrete doorsill and used for building a protection device; the bottom of the inner side of the concrete doorsill is provided with a brick step which is poured on the base of the roof; the roof outlet door is positioned above the concrete doorsill; wherein, protector follow lay to concrete threshold top surface, concrete threshold side and roofing in the recess. The roof structure is simple in structure and convenient to construct, solves the problems of roof water seepage and influence on attractiveness, and can be widely applied to the civil building industry.
Description
Technical Field
The utility model belongs to civil buildings's structure field especially relates to a roofing threshold flashing structure.
Background
The roof of a building is generally provided with a threshold to prevent outdoor rainwater from flowing into the room, and a flashing structure is generally arranged between the threshold and the roof in order to improve the waterproof capability of the joint of the threshold and the roof. The flashing structure at the present stage is generally that a layer of waterproof material is laid on the top surface, the outer side wall and the roof of the doorsill, but in the long-term use process of the flashing structure, the waterproof material positioned on the top surface of the doorsill can be turned over, and the waterproof effect of the whole flashing structure is seriously influenced. Meanwhile, the flashing structure of the traditional roof outlet door has the following defects: 1) The height of the concrete doorsill is too high, so that the number of steps for getting out of a roof indoors is large, and the construction cost is high; 2) Go out roofing landing comfort level poor, the stair of marking time is many, and the transport of roofing equipment of being not convenient for consumes manpower and materials.
Chinese utility model with publication number CN209837508U discloses a roof threshold flashing structure, which solves the problem that the service life of the existing roof threshold flashing structure is low. Its technical scheme main points are roofing threshold flashing structure, including threshold and waterproof layer, threshold top surface, threshold side and roofing are laid to the waterproof layer, still be provided with the coping piece that compresses tightly the waterproof layer on the threshold, the one end of coping piece flushes and the top formation extension that the other end extends to the roofing with the inboard of threshold, the junction of threshold side and waterproof layer is equipped with sealed cream strip, and the roofing still is equipped with composite surface layer on the waterproof layer, thereby has promoted the life of whole roofing threshold flashing structure through the setting of coping piece. However, in the technical scheme, the design of the middle-pressure jacking block is complex, the construction difficulty is increased, and the comfort problem of the roof stair platform is not solved.
To sum up, at present, a practical threshold flashing structure of a roof door is urgently needed, so that the cost is saved, the construction is easy, and the use comfort level of the roof is increased.
SUMMERY OF THE UTILITY MODEL
The technical problem that this application will be solved is that traditional play roofing threshold flashing has the highly too high of concrete threshold, indoor play roofing mark time than many, goes out roofing landing comfort level poor, the transport scheduling problem of the roofing equipment of being not convenient for.
In order to solve the technical problem, the application provides a threshold flashing structure of roof door, includes: the roof is characterized in that a slope finding layer and a heat insulation layer are sequentially paved on a substrate; the concrete doorsill is positioned above the roof, and a groove is formed in the top side surface of the concrete doorsill and used for building a protection device; the bottom of the inner side of the concrete doorsill is provided with a brick step, and the brick step is poured on the base of the roof; and the roof outlet door is positioned above the concrete doorsill. Wherein, protector lays to concrete threshold top surface, concrete threshold side and roofing from the recess.
According to an embodiment of the application, the protection device includes a first waterproof layer, a second waterproof layer and an isolation layer. The first waterproof layer is paved to the top surface of the concrete doorsill, the side surface of the concrete doorsill and a roof from the groove by adopting a first waterproof roll; the second waterproof layer is arranged on the lower side of the first waterproof layer and is paved to the roof along the side face of the concrete doorsill by adopting a second waterproof coiled material; the isolation layer sets up in first waterproof layer upside, and the isolation layer extends to the roofing from concrete threshold side bottom.
According to the embodiment of this application, first waterproofing membrane overlap joint adopts cement nail or penetrates the nail fixed to the recess in, and the recess is inside to adopt plain concrete to pour and to fill up.
According to the embodiment of this application, be located the second waterproofing membrane overlap joint length more than or equal to 250cm of first waterproofing membrane downside, adopt the cement nail or penetrate the nail between first waterproofing membrane and the second waterproofing membrane and fix.
According to the embodiment of this application, still laid the concrete protection layer on the protector, the concrete protection layer can be 40mm thick pea gravel concrete.
According to the embodiment of this application, be equipped with sealed glue between concrete protective layer and the first waterproofing membrane, sealed glue sets up between the first waterproofing membrane and the concrete protective layer of concrete threshold side bottom. The sealant is positioned at the included angle between the side surface of the concrete threshold and the concrete protective layer and is in a circular guide angle shape.
According to the embodiment of the application, the reinforcing steel bar has been pour to concrete threshold inside.
According to the embodiment of the application, the brick step has the height of 150mm and the width of 300mm.
According to an embodiment of the application, the groove size is 60mm.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model provides a concrete doorsill upside has set up the recess for overlap joint and fixed waterproofing membrane go out roofing doorsill flashing structure for the tradition, can effectively reduce the height of concrete doorsill, and then reduce marking time of indoor roofing, thereby increased roofing platform's width and use comfort.
2. The utility model provides a protector includes first waterproofing membrane, second waterproofing membrane and isolation layer in the scheme, and second waterproofing membrane overlap joint is on first waterproofing membrane, and the isolation layer sets up on first waterproofing membrane and second waterproofing membrane, has effectively protected roofing threshold structure, has avoided a roofing threshold structure infiltration to lead to the reinforcing bar corrosion, the cross section reduces, the inflation, the concrete crack increases, compressive strength weakens, the building is impaired, the building life reduces the scheduling problem.
3. According to the waterproof roll lapping and fixing device, in the scheme, the waterproof roll is lapped to the groove through the cement nails or the nails are shot for fixing, the groove is filled with plain concrete, the traditional flashing structure is prevented from being used for a long time, the waterproof material on the top surface of the doorsill can be turned over, and the waterproof effect of the whole flashing structure is seriously affected.
4. The utility model provides a threshold flashing structure construction of going out roof door is simple, ensures that roofing water and stagnant water do not permeate indoorly, gives indoor normal production, work, living environment.
5. In the application, the arc guide angle of the sealant can improve the waterproof performance of the roof threshold flashing structure; the protection device can protect the sealant, prolong the service life of the sealant and further contribute to prolonging the service life of the whole flashing structure of the roof doorsill.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description only relate to some embodiments of the present application and are not limiting on the present application.
Fig. 1 is a schematic view of the sill flashing structure of a roof outlet door according to the present invention;
fig. 2 is a partially enlarged view of fig. 1.
The reference numerals are illustrated below:
10. the roof comprises a roof, 11 a slope layer, 12 a heat insulation layer, 13 a concrete protection layer, 20 a concrete threshold, 21 a groove, 22 a brick step, 30 a roof door, 41 a first waterproof coiled material, 42 a second waterproof coiled material, 43 an isolation layer, 211 plain concrete and 50 reinforcing steel bars.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be described clearly and completely in the following with reference to the drawings of the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the application without any inventive step, are within the scope of protection of the application.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and claims of this patent application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms a, an, etc. do not denote a limitation of quantity, but rather denote the presence of at least one.
Flashing is a waterproofing process in buildings, and is generally a waterproofing treatment carried out on the intersections of walls and roofs, namely all flat and vertical surfaces needing waterproofing treatment. The waterproof layer of the roof is extended to the vertical surfaces at the joints of the parapet wall, the chimney, the staircase, the deformation joint, the access hole, the vertical pipe and the like which protrude above the roof and the roof, and the vertically paved waterproof layer is formed and is called flashing.
Referring to fig. 1 and 2, the threshold flashing structure of the roof door 30 comprises a roof 10, wherein a slope finding layer 11 and a heat insulation layer 12 are sequentially paved on a substrate; the concrete doorsill 20 is positioned above the roof 10, a groove 21 is formed in the top side of the concrete doorsill 20, and the groove 21 is used for building a protection device; the bottom of the inner side of the concrete doorsill 20 is provided with a brick step 22, and the brick step 22 is poured on the base of the roof 10; and the roofing door 30 is positioned above the concrete doorsill 20. Wherein the guard is laid from within the recess 21 to the top surface of the concrete sill 20, the side surfaces of the concrete sill 20 and the roof 10.
The protection device is laid on the top surface of the concrete threshold 20, the side surface of the concrete threshold 20 facing the outdoor space and the outdoor roof 10, and the threshold of the reinforced concrete structure is further protected. The protective means preferably comprises a first water barrier layer, a second water barrier layer and a barrier layer 43. As shown in fig. 2, a first waterproof layer is applied from the inside of the recess 21 to the top surface of the concrete sill 20, the side surface of the concrete sill 20 and the roof surface 10 using a first waterproof roll 41; the second waterproof layer is arranged on the lower side of the first waterproof layer and is paved to the roof 10 along the side surface of the concrete doorsill 20 by adopting a second waterproof coiled material 42; the isolation layer 43 is provided on the upper side of the first waterproofing membrane 41, and the isolation layer 43 extends from the bottom of the side of the concrete doorsill 20 to the roof 10.
Further, 41 overlap joints of first waterproofing membrane are fixed to recess 21 in, adopt the cement nail or penetrate the nail, and recess 21 is inside adopts plain concrete 211 to pour and fills up, has avoided pouring cement on traditional threshold and has increased the problem of threshold height
Furthermore, the overlapping length of the second waterproof roll 42 on the lower side of the first waterproof roll 41 is greater than or equal to 250cm, and the first waterproof roll 41 and the second waterproof roll 42 are fixed by cement nails or shooting nails.
Further, protector is located concrete protection layer 13, and concrete protection layer 13 can be 40mm thick graticule concrete, and concrete protection layer 13 is used for supporting and making level the watertight fittings, also can promote the thermal insulation performance of threshold.
Further, the isolation layer 43 is located between the first waterproof roll 41 and the concrete protective layer 13, and the isolation layer 43 can be made of low-grade mortar, vermiculite, mica powder, plastic film, fine sand, talcum powder, paper reinforcement ash or dry-laid roll material.
Further, a sealant is arranged between the concrete protective layer 13 and the first waterproof roll 41, and the sealant is arranged between the first waterproof roll 41 at the bottom of the side surface of the concrete doorsill 20 and the concrete protective layer 13. The sealant is positioned at the included angle between the side surface of the concrete threshold 20 and the concrete protective layer 13 and is in a circular guide angle shape.
Further, the reinforcing steel bar 50 is poured inside the concrete doorsill 20, and the stability of the concrete doorsill 20 is further enhanced.
Further, the brick step 22 has a height of 150mm and a width of 300mm.
Further, the size of the groove 21 is 60mm × 60mm.
The construction flow of a concrete embodiment of the doorsill flashing structure of the roof door is as follows:
1. cleaning dust and sundries on the surface of the roof base layer before construction;
2. laying a heat-insulating layer 12 and a slope-finding layer 11 of the roof 10;
3. the roof 10 is provided with a second waterproof roll 42, the lap joint length is more than or equal to 250, and the other side of the second waterproof roll is lapped on the side surface, facing the outdoor, of the concrete doorsill 20;
4. and paving the waterproof coiled material, extending into the groove 21 on the upper side of the concrete doorsill 20, fixing the waterproof coiled material by using cement nails or shooting nails, pouring plain concrete 211 to fill the groove 21, and fixing the first waterproof coiled material 41 and the second waterproof coiled material 42 by using cement nails or shooting nails on the side, facing the outdoor, of the concrete doorsill 20.
5. An isolation layer 43 and a 40 thick protective layer of fine-grained concrete are laid.
To sum up, the threshold flashing structure of going out the roof door of this application has following beneficial effect:
1. the utility model provides a concrete doorsill upside has set up the recess for overlap joint and fixed waterproofing membrane go out roofing doorsill flashing structure for the tradition, can effectively reduce the height of concrete doorsill, and then reduce marking time of indoor roofing, thereby increased roofing platform's width and use comfort.
2. The utility model provides a protector includes first waterproofing membrane, second waterproofing membrane and isolation layer in the scheme, and second waterproofing membrane overlap joint is on first waterproofing membrane, and the isolation layer sets up on first waterproofing membrane and second waterproofing membrane, has effectively protected roofing threshold structure, has avoided a roofing threshold structure infiltration to lead to reinforcing bar corrosion, the cross section reduces, the inflation, concrete crack increases, compressive strength weakens, the building is impaired, building life reduces the scheduling problem.
3. According to the waterproof roll lapping and fixing device, in the scheme, the waterproof roll is lapped to the groove through the cement nails or the nails are shot for fixing, the groove is filled with plain concrete, the traditional flashing structure is prevented from being used for a long time, the waterproof material on the top surface of the doorsill can be turned over, and the waterproof effect of the whole flashing structure is seriously affected.
4. The application of go out threshold flashing structure construction of roof door is simple, ensures that roofing water and stagnant water do not permeate indoorly, gives indoor normal production, work, living environment.
5. In the application, the arc guide angle of the sealant can improve the waterproof performance of the roof threshold flashing structure; the protection device can protect the sealant, prolong the service life of the sealant and further contribute to prolonging the service life of the whole flashing structure of the roof doorsill.
The above description is only exemplary of the present application and is not intended to limit the scope of the present application, which is defined by the appended claims.
Claims (10)
1. The utility model provides a threshold flashing structure of going out roof door which characterized in that includes:
the roof is characterized in that a slope finding layer and a heat insulation layer are sequentially paved on a substrate;
the concrete doorsill is positioned above the roof, a groove is formed in the side face of the top of the concrete doorsill, and the groove is used for building a protective device; the bottom of the inner side of the concrete doorsill is provided with a brick step, and the brick step is poured on the base of the roof;
the roof outlet door is positioned above the concrete doorsill;
wherein, protector follow lay in the recess to concrete threshold top surface, concrete threshold side and roofing.
2. The sill flashing structure for a rooftop door of claim 1, wherein the guard means comprises a first waterproof layer, a second waterproof layer and an insulating layer,
the first waterproof layer is paved to the top surface of the concrete threshold, the side surface of the concrete threshold and the roof from the groove by adopting a first waterproof coiled material;
the second waterproof layer is arranged on the lower side of the first waterproof layer and is paved to the roof along the side face of the concrete doorsill by adopting a second waterproof roll;
the isolation layer set up in first waterproof layer upside, the isolation layer is followed concrete threshold side bottom extends to the roofing.
3. The doorsill flashing structure of a roof door according to claim 2, wherein the first waterproofing membrane is lapped in the groove and fixed by cement nails or shooting nails, and the interior of the groove is filled with plain concrete.
4. The doorsill flashing structure of a roof door according to claim 2, wherein the overlapping length of the second waterproofing membrane positioned at the lower side of the first waterproofing membrane is not less than 250cm, and the first waterproofing membrane and the second waterproofing membrane are fixed by cement nails or shooting nails.
5. The doorsill flashing structure for a rooftop door according to claim 2, wherein a concrete protective layer is applied to the protection means.
6. The doorsill flashing structure of a roof door as claimed in claim 5, wherein a sealant is disposed between the concrete protective layer and the first waterproofing membrane, the sealant being disposed between the first waterproofing membrane and the concrete protective layer at the bottom of the concrete doorsill side.
7. The sill flashing structure of a roof door as claimed in claim 6 wherein the sealant is in the form of a rounded lead angle at the corner between the concrete sill side and the concrete shield.
8. The sill flashing structure of a roof door of claim 1, wherein the concrete sill has reinforcing steel bars cast therein.
9. The doorsill flashing structure for a roof door as claimed in claim 1, wherein the brick step has a height of 150mm and a width of 300mm.
10. The sill flashing structure for a rooftop door of claim 1, wherein the recess is 60mm by 60mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221857345.5U CN218234069U (en) | 2022-07-19 | 2022-07-19 | Threshold flashing structure of roof outlet door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221857345.5U CN218234069U (en) | 2022-07-19 | 2022-07-19 | Threshold flashing structure of roof outlet door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218234069U true CN218234069U (en) | 2023-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221857345.5U Active CN218234069U (en) | 2022-07-19 | 2022-07-19 | Threshold flashing structure of roof outlet door |
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| Country | Link |
|---|---|
| CN (1) | CN218234069U (en) |
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2022
- 2022-07-19 CN CN202221857345.5U patent/CN218234069U/en active Active
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