CN112663876A - Roof waterproof construction method - Google Patents
Roof waterproof construction method Download PDFInfo
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- CN112663876A CN112663876A CN202011498565.9A CN202011498565A CN112663876A CN 112663876 A CN112663876 A CN 112663876A CN 202011498565 A CN202011498565 A CN 202011498565A CN 112663876 A CN112663876 A CN 112663876A
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- waterproof
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Abstract
The invention provides a roof waterproof construction method, which comprises the following steps: the first step of laying lays the screed-coat on the roofing, and the thickness of the screed-coat of the regional department of main part is greater than the thickness of the screed-coat of the regional department of first, and the roofing includes: the first area is an area which is at a first preset distance away from the parapet wall; a second laying step, laying waterproof layers on the leveling layer and the parapet wall, and fixing the waterproof layers at the parapet wall; a third laying step, laying a waterproof protective layer on the waterproof layer corresponding to the roof, wherein the thickness of the waterproof protective layer at the main body area is larger than that of the waterproof protective layer at the first area, so that a drainage ditch is formed at the first area; a reinforcing step, reinforcing the waterproof layer at the parapet wall; and a fourth laying step of laying roof bricks on the waterproof protective layer at the main body area. The invention avoids leakage at the closing-up joint of the waterproof layer and the parapet wall, and effectively improves the waterproof performance of the roof.
Description
Technical Field
The invention relates to the technical field of roof waterproofing, in particular to a roof waterproofing construction method.
Background
Whether civil or commercial, parapet walls are typically provided on the roof of a building, the function of the parapet walls being: firstly, the maintenance is safe, and secondly, the waterproof layer seeps water or roof rainwater overflows. The setting of parapet can protect the roofing. However, in the process of roof construction, the construction of the parapet is inconvenient to operate, and often water leakage of the roof is easily caused, so that the waterproof performance of the roof is affected.
Disclosure of Invention
In view of the above, the invention provides a roof waterproof construction method, and aims to solve the problem that the roof parapet in the prior art is poor in waterproof performance.
The invention provides a roof waterproof construction method, which comprises the following steps: the first step of laying lays the screed-coat on the roofing, and wherein, the thickness of the screed-coat of the regional department of main part is greater than the thickness of the screed-coat of the regional department of first, and the roofing includes: the first area is an area which is at a first preset distance away from the parapet wall; a second laying step, laying waterproof layers on the leveling layer and the parapet wall, and fixing the waterproof layers at the parapet wall; a third laying step, laying a waterproof protective layer on the waterproof layer corresponding to the roof, wherein the thickness of the waterproof protective layer at the main body area is larger than that of the waterproof protective layer at the first area, so that a drainage ditch is formed at the first area; a reinforcing step, reinforcing the waterproof layer at the parapet wall; and a fourth laying step of laying roof bricks on the waterproof protective layer at the main body area.
Further, in the above roof waterproof construction method, in the first laying step, the leveling layer is a cement mortar layer.
Further, in the roof waterproof construction method, in the second laying step, the waterproof layer is laid along the leveling layer and bent at the parapet, and the bent waterproof layer is attached to the parapet and extends to the top of the parapet.
Further, in the roof waterproof construction method, in the second laying step, an inward concave accommodating groove is formed in a position, which is a second preset distance away from the bottom of the parapet wall, and the end portion of the waterproof layer is arranged in the accommodating groove and sealed.
Further, in the above roof waterproofing construction method, between the second laying step and the third laying step, the method further includes: and a fifth laying step, laying non-woven fabrics or geotextiles on the waterproof layer corresponding to the roof.
Further, in the above waterproof roof construction method, between the fifth laying step and the third laying step, further comprising: and a sixth laying step, laying an insulating layer on the non-woven fabric or the geotextile corresponding to the main body area.
Further, in the above roof waterproof construction method, in the third laying step, the waterproof protective layer is fine aggregate concrete.
Further, in the roof waterproof construction method, in the reinforcing step, solid bricks are built on one side of the waterproof layer at the parapet wall to block the containing grooves, and mortar layers are laid on the outer side and the top of the solid bricks and the area of the parapet wall above the solid bricks.
Further, in the roof waterproof construction method, the bottom of the solid brick is connected with the waterproof protective layer, and the top of the solid brick is flush with the top surface of the accommodating groove, or the top of the solid brick is higher than the top surface of the accommodating groove.
Further, in the roof waterproof construction method, the mortar layer between the top of the solid brick and the parapet is arc-shaped.
According to the invention, the roof is leveled through the leveling layer, subsequent laying is facilitated, the waterproof layer can play a waterproof role, and the waterproof layer at the parapet is fixed and reinforced, so that the waterproof layer at the parapet can be stably fixed with the parapet, rainwater leakage is prevented, leakage at the closing-in node of the waterproof layer and the parapet is avoided, the waterproof performance of the roof is further improved, the problem of poor waterproof performance of the parapet at the roof in the prior art is solved, in addition, the overall thickness of the leveling layer and the waterproof protective layer at the first region is smaller than that of the leveling layer and the waterproof protective layer at the main region to form the drainage ditch, the drainage ditch can drain away rainwater at the parapet, rainwater deposition is avoided, and water seepage of the parapet and the roof is further effectively improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a flow chart of a roof waterproofing construction method provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a roof waterproofing construction method according to an embodiment of the present invention;
FIG. 3 is a further flowchart of a method for waterproofing a roof according to an embodiment of the present invention;
fig. 4 is another flowchart of a roof waterproofing construction method according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, fig. 1 is a flowchart of a roof waterproofing construction method according to an embodiment of the present invention. As shown in the figure, the roof waterproof construction method comprises the following steps:
a first laying step S1, laying a screed on the roof, wherein the thickness of the screed at the main body area is greater than the thickness of the screed at the first area, the roof comprising: the first area is an area at a first preset distance from the parapet wall.
Specifically, referring to fig. 2, the main area 2 and the first area 3 are disposed adjacently, the first area 3 is close to the parapet wall 4, and the first predetermined distance is a distance from the bottom (the lower portion shown in fig. 2) of the parapet wall 4. Preferably, the first preset distance is 580-620 mm. The remaining areas of the roof 1, except for the first area 3, are body areas 2. In particular, the screed 5 is thinnest in the region corresponding to the first zone 3.
Preferably, the leveling layer 5 is a cement mortar layer.
The base of the roof 1 is first cleaned before the screed 5 is applied. The laying of the screed 5 is then carried out on the base surface of the roof 1.
And a second laying step S2, laying waterproof layers on the leveling layer and the parapet wall, and fixing the waterproof layers at the parapet wall.
Specifically, the waterproof layer 6 is laid along the leveling layer 5 and bent at the parapet wall 4, and the bent waterproof layer 6 is attached to the parapet wall 4 and extends to the top (the upper portion shown in fig. 2) of the parapet wall 4. More specifically, waterproof layer 6 is laid and is covered on screed-coat 5 along screed-coat 5, and waterproof layer 6 bends perpendicularly when laying to parapet 4 bottom, and waterproof layer 6 after bending continues to extend and lay in parapet 4 along parapet 4.
An inwards concave containing groove is formed in the second preset distance from the parapet wall 4 to the bottom of the parapet wall 4, the end portion of the waterproof layer 6 is arranged in the containing groove, and the end portions of the containing groove and the waterproof layer 6 are sealed. Specifically, the receiving groove is provided on the parapet wall 4, and a second predetermined distance between the receiving groove and the bottom of the parapet wall 4 may be 350 mm. In specific implementation, the second preset distance may also be determined according to an actual situation, which is not limited in this embodiment. After the end of the waterproof layer 6 is placed in the receiving groove, the receiving groove may be sealed with a sealant 12 to fix the end of the waterproof layer 6.
In a specific implementation, the size of the receiving groove may be 50mm × 50mm, or may be other sizes, which is not limited in this embodiment.
Preferably, be provided with additional waterproof layer on the waterproof layer near the bottom of parapet department, that is to say, the waterproof layer is laid on the screed-coat and is bent to parapet department to, add a layer of waterproof layer again on the waterproof layer near the bottom of parapet department, in order to regard as additional waterproof layer.
And a third laying step S3, laying a waterproof protective layer on the waterproof layer corresponding to the roof, wherein the thickness of the waterproof protective layer at the main body area is larger than that of the waterproof protective layer at the first area, so that a drainage ditch is formed at the first area.
Specifically, the waterproof protective layer 9 may be fine-grained concrete, and more specifically, the waterproof protective layer 9 may be C25 fine-grained concrete. Preferably, the thickness of the waterproof protective layer 9 is 40-80 mm.
The overall thickness of the first region 3 after the waterproof protective layer 9 is laid is smaller than the overall thickness of the main body region 2 after the waterproof protective layer 9 is laid, and since the first region 3 is sandwiched between the parapet wall 4 and the main body region 2, an inwardly recessed drainage ditch is formed among the first region 3, the parapet wall 4 and the main body region 2.
And a reinforcing step S4, reinforcing the waterproof layer at the parapet wall.
Specifically, a solid brick 10 is laid on one side of the waterproof layer 6 at the parapet wall 4, and the solid brick 10 is used for plugging the accommodating groove. More specifically, the bottom (lower portion shown in fig. 2) of the solid brick 10 is connected to the waterproof protective layer 9, and the side wall of the solid brick 10 may be connected to the waterproof layer 6. The top (upper portion shown in fig. 2) of the solid brick 10 may be flush with the top surface of the receiving groove, or the top of the solid brick 10 may be higher than the top surface of the receiving groove, so as to block the receiving groove.
The mortar layers are laid on the outer side and top of the solid brick 10 and the parapet 4 in the area above the solid brick 10, specifically, the mortar layer is laid on the outer side of the solid brick 10, the mortar layer is also laid on the top of the solid brick 10, and the mortar layer is laid on the parapet 4 in the area corresponding to the upper part of the solid brick 10 to the top of the parapet 4. The parapet 4 and the solid bricks 10 are protected by the mortar layer, and the safety protection performance is improved.
Preferably, the mortar layer between the top of the solid brick 10 and the parapet 4 is rounded. Specifically, a right-angle bend is formed between the top of the solid brick 10 and the parapet 4, a mortar layer laid at the right-angle bend is arc-shaped, the mortar layer at the area of the parapet 4 corresponding to the upper part of the solid brick 10 is flat, and the arc-shaped mortar layer is in smooth transition from the outer side of the solid brick 10 to the area of the parapet 4 corresponding to the upper part of the solid brick 10 to prevent rainwater from permeating, so that the waterproof performance of the parapet is improved.
In particular, the thickness of the solid brick 10 may be 120 mm.
A fourth laying step S5 lays the roof bricks on the waterproof protective layer at the main body region. The roof tiles are reference numeral 13 in fig. 2.
It can be seen that, in this embodiment, level the roofing through the screed-coat, be convenient for subsequent laying, waterproof layer's setting can play waterproof effect, and fix and consolidate the waterproof layer of parapet department, make the waterproof layer of parapet department can be fixed mutually with the parapet steadily, prevent the rainwater seepage, avoid waterproof layer and parapet binding off node seepage, further improve the waterproof performance of roofing, the problem of the waterproof performance of roofing parapet department is poor among the prior art has been solved, and, the whole thickness of the screed-coat of first region department and waterproof layer is less than the whole thickness of the screed-coat of the regional department of main part and waterproof layer in order to form the escape canal, the escape canal can be with the rainwater of parapet department and arrange away, avoid the rainwater deposit and lead to the infiltration of parapet and roofing, further improved waterproof performance effectively.
Referring to fig. 3, as shown in the figure, the roof waterproofing construction method may further include the steps of:
a first laying step S1, laying a screed on the roof, wherein the thickness of the screed at the main body area is greater than the thickness of the screed at the first area, the roof comprising: the first area is an area at a first preset distance from the parapet wall.
And a second laying step S2, laying waterproof layers on the leveling layer and the parapet wall, and fixing the waterproof layers at the parapet wall.
And a fifth laying step S6, laying non-woven fabrics or geotextiles on the waterproof layer corresponding to the roof.
Specifically, non-woven fabrics or geotextiles are laid on the waterproof layer 6 corresponding to the main area 2 and the waterproof layer 6 corresponding to the first area 3.
And a third laying step S3, laying a waterproof protective layer on the waterproof layer corresponding to the roof, wherein the thickness of the waterproof protective layer at the main body area is larger than that of the waterproof protective layer at the first area, so that a drainage ditch is formed at the first area.
And a reinforcing step S4, reinforcing the waterproof layer at the parapet wall.
A fourth laying step S5 lays the roof bricks on the waterproof protective layer at the main body region.
It should be noted that, in this embodiment, specific implementation processes in the first laying step S1, the second laying step S2, the third laying step S3, the reinforcing step S4, and the fourth laying step S5 may refer to the description of the above embodiment, and this embodiment is not described again here.
Referring to fig. 4, as shown in the figure, the roof waterproofing construction method may further include the steps of:
a first laying step S1, laying a screed on the roof, wherein the thickness of the screed at the main body area is greater than the thickness of the screed at the first area, the roof comprising: the first area is an area at a first preset distance from the parapet wall.
And a second laying step S2, laying waterproof layers on the leveling layer and the parapet wall, and fixing the waterproof layers at the parapet wall.
And a fifth laying step S6, laying non-woven fabrics or geotextiles on the waterproof layer corresponding to the roof.
In the sixth laying step S7, an insulating layer is laid on the non-woven fabric or the geotextile corresponding to the main body region.
Specifically, the insulating layer 8 is laid only on the main body region 2. Preferably, the insulating layer 8 is an extruded sheet. In specific implementation, the performance parameters of the protective layer, such as fire resistance level, heat conductivity coefficient and the like, need to meet the design requirements. In specific implementation, the thickness of the insulating layer 8 can be 30 mm.
And a third laying step S3, laying a waterproof protective layer on the waterproof layer corresponding to the roof, wherein the thickness of the waterproof protective layer at the main body area is larger than that of the waterproof protective layer at the first area, so that a drainage ditch is formed at the first area.
And a reinforcing step S4, reinforcing the waterproof layer at the parapet wall.
A fourth laying step S5 lays the roof bricks on the waterproof protective layer at the main body region.
It should be noted that, in this embodiment, specific implementation processes in the first laying step S1, the second laying step S2, the third laying step S3, the reinforcement step S4, the fourth laying step S5, and the fifth laying step S6 may refer to the description of the above embodiment, and this embodiment is not described again here.
In the embodiment, the heat preservation layer is laid on the non-woven fabric or the geotextile at the main body area, and the heat preservation layer is used for preserving the heat of the main body area of the roof, so that the heat preservation effect of the roof is improved.
To sum up, in this embodiment, level the roofing through the screed-coat, be convenient for subsequent laying, waterproof layer's setting can play waterproof effect, and fix and consolidate the waterproof layer of parapet department, make the waterproof layer of parapet department can be fixed mutually with the parapet steadily, prevent the rainwater seepage, avoid waterproof layer and parapet binding off node seepage, further improve the waterproof performance of roofing, and the whole thickness of the screed-coat of first region department and waterproof layer is less than the whole thickness of the screed-coat of the regional department of main part and waterproof layer in order to form the escape canal, the escape canal can be removed the rainwater of parapet department, avoid the rainwater deposit and lead to the infiltration of parapet and roofing, further improved waterproof performance effectively.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The roof waterproof construction method is characterized by comprising the following steps:
a first laying step of laying a screed on the roof, wherein the thickness of the screed at the main body region is greater than the thickness of the screed at the first region, the roof comprising: the first area is an area which is at a first preset distance away from the parapet wall;
a second laying step, laying waterproof layers on the leveling layer and the parapet wall, and fixing the waterproof layers at the parapet wall;
a third laying step, laying a waterproof protective layer on the waterproof layer corresponding to the roof, wherein the thickness of the waterproof protective layer at the main body area is larger than that of the waterproof protective layer at the first area, so that a drainage ditch is formed at the first area;
reinforcing the waterproof layer at the parapet wall;
and a fourth laying step of laying roof bricks on the waterproof protective layer at the main body area.
2. The waterproofing construction method for roof according to claim 1 wherein, in the first laying step,
the leveling layer is a cement mortar layer.
3. The waterproofing construction method for roof according to claim 1 wherein, in the second laying step,
the waterproof layer is laid along the leveling layer and bent at the parapet, and the bent waterproof layer is attached to the parapet and extends to the top of the parapet.
4. The waterproofing construction method according to claim 3, wherein in the second laying step,
and an inwards concave accommodating groove is formed in the parapet wall at a second preset distance from the bottom of the parapet wall, and the end part of the waterproof layer is arranged in the accommodating groove and sealed with the accommodating groove and the end part of the waterproof layer.
5. The waterproofing construction method according to claim 1, further comprising, between the second laying step and the third laying step:
and a fifth laying step, laying non-woven fabrics or geotextiles on the waterproof layer corresponding to the roof.
6. The waterproofing construction method according to claim 5, further comprising, between the fifth laying step and the third laying step:
and a sixth laying step, laying an insulating layer on the non-woven fabric or the geotextile corresponding to the main body area.
7. The waterproofing construction method for roof according to claim 1 wherein, in the third laying step,
the waterproof protective layer is fine aggregate concrete.
8. The waterproofing construction method for roof according to claim 1, wherein in the reinforcing step,
building solid bricks on one side of the waterproof layer at the parapet wall to plug the containing grooves, and paving mortar layers on the outer side and the top of the solid bricks and the area of the parapet wall, which is arranged at the upper part of the solid bricks.
9. The method for waterproofing a roof according to claim 8, wherein the bottom of the solid brick is connected to the waterproof protective layer, and the top of the solid brick is flush with the top surface of the receiving groove, or the top of the solid brick is higher than the top surface of the receiving groove.
10. The method of claim 8, wherein the mortar layer between the top of the solid brick and the parapet is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011498565.9A CN112663876A (en) | 2020-12-17 | 2020-12-17 | Roof waterproof construction method |
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| CN202011498565.9A CN112663876A (en) | 2020-12-17 | 2020-12-17 | Roof waterproof construction method |
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| CN112663876A true CN112663876A (en) | 2021-04-16 |
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| CN210563039U (en) * | 2019-04-19 | 2020-05-19 | 郭大伟 | Roofing parapet waterproof construction with interior gutter |
| CN211473120U (en) * | 2019-11-22 | 2020-09-11 | 上海宝冶集团有限公司 | Roof parapet internal corner structure |
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Application publication date: 20210416 |