CN106968403A - Roofing polyurethane foaming body waterproof and insulation integrated construction technique - Google Patents
Roofing polyurethane foaming body waterproof and insulation integrated construction technique Download PDFInfo
- Publication number
- CN106968403A CN106968403A CN201710132934.4A CN201710132934A CN106968403A CN 106968403 A CN106968403 A CN 106968403A CN 201710132934 A CN201710132934 A CN 201710132934A CN 106968403 A CN106968403 A CN 106968403A
- Authority
- CN
- China
- Prior art keywords
- layer
- roofing
- polyurethane
- polyurethane foam
- foaming body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
- E04D11/02—Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
- E04D13/1668—Insulation of the roof covering characterised by its integration in the roof structure the insulating material being masses or granules applied in situ
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D7/00—Roof covering exclusively consisting of sealing masses applied in situ; Gravelling of flat roofs
Abstract
The invention provides a kind of roofing polyurethane foaming body waterproof and insulation integrated construction technique, the technique is included on roof-base directly using high-pressure machinery in-situ spraying hard polyurethane foams layer, after treating first layer polyurethane foam formable layer, one layer of polyurethane foam can be sprayed again on polyurethane foam, after treating second layer polyurethane foam formable layer, directly smearing thermal insulation mortar obtains heat-insulation mortar bed, then criticize and scrape first of finishing mucilage press-in grid cloth, criticize and scrape finishing mucilage formation finishing mucilage layer, then paste asphalt roofing watt.The technique of the present invention can greatly prolong the service life of water-proof heat-insulation layer, increase the waterproof layer update cycle, saved maintenance cost.Construction is simple, greatly increases work efficiency and construction quality.
Description
Technical field
It is water-proof heat-preserving integrated in particular to a kind of roofing polyurethane foaming body the present invention relates to roof heat insulation system
Change construction technology, belong to technical field of building construction.
Background technology
Larger for the slope of roof, more than 45 °, the part pitched roof gradient reaches 60 °, the construction that there is roof heat insulation system
Problem；In addition swash plate top surface is provided with dormer window, and structure is more complicated, and detail treatment is more, and difficulty of construction is larger, and potential safety hazard is more.
Malthoid tile roofing, flatness requirement is high, does not reach requirement, the quality of roof effect can not be guaranteed.Duration is tight, task weight.Must
It must on schedule guarantee the quality and complete construction task, low construction efficiency, material of taking a lot of work, impression quality is poor.
Traditional roofing includes screed-coat-waterproof layer-heat-insulation layer (need to increase by one layer of wire netting because the gradient is larger)-protection
Layer-installation tile batten-vermicelli watt, all process steps are completed to be roughly equal to every 230 yuan of square meter, and engineering time length is required at least per procedure
Maintenance reaches for one day could carry out next procedure construction after predetermined strength.
In traditional roof heat insulation system, basic unit's concrete structure pouring quality is difficult to ensure, poor flatness.Structure must be carried out
It is secondary levelling.Construction during hot season, mortar mobility is big, it is easy to trickle, it is difficult to levelling；Mortar mobility is small, and water loss is fast,
Easy dry and cracked, hollowing, come off.Levelling difficulty is big.The same cast-in-situ concrete structure of microlith concrete cover difficulty of construction.Malthoid tile roofing, it is smooth
Degree requires high, does not reach requirement, the quality of roof effect can not be guaranteed.
Spray polyurethane foam main component be by polyalcohol (Polyol) and different hydrogen acid ether (hydrogen acid ester) (MDI) Two-component liquid raw material with
And the additive such as foaming agent is constituted, and because its price is higher, is generally rarely used in roof heat insulation system.
How elevation control, concreting and Forming Quality, and improve operating efficiency while reduce roof heat insulation
System construction cost, it is ensured that construction quality and construction safety, as research the problem of.
The content of the invention
The technical problem to be solved in the present invention is to overcome existing defect to optimize there is provided a kind of working procedure, and manually
The roofing polyurethane foaming body waterproof and insulation integrated construction technique that cost is greatly reduced.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme：
The present invention relates to a kind of roofing polyurethane foaming body waterproof and insulation integrated construction technique, the technique includes
First layer polyurethane foam formable layer is directly treated using high-pressure machinery in-situ spraying hard polyurethane foams layer on roof-base
Afterwards, one layer of polyurethane foam can be sprayed again on polyurethane foam, after treating second layer polyurethane foam formable layer,
Directly smear thermal insulation mortar and obtain heat-insulation mortar bed, then criticize and scrape first of finishing mucilage press-in grid cloth, batch scraping finishing mucilage forms
Finishing mucilage layer, then pastes asphalt roofing watt.
In a preferred embodiment of the present invention, the thickness of each layer of hard polyurethane foams layer is 100-
150mm, each layer of hardening time is 10-20 minutes.
In a preferred embodiment of the present invention, the roof-base gradient is more than 45 degree.
In a preferred embodiment of the present invention, during roof-base height >=30m, in addition to the step of anchoring piece is installed
Suddenly.
In a preferred embodiment of the present invention, the hard polyurethane foams layer is directly fitted with roof-base.
The present invention's has the following advantages that：
1st, practicality is good：Shorten construction period, reduction difficulty of construction and polyurethane foamed thermal-insulating performance is good, bond well not
Easily form seam, good waterproof performance；
2nd, it is workable：Construction equipment is simple and convenient, it is easy to operate, general workman expandable area 200 for each person every day
Square meter, curing cycle is short (24 hours), and the floating ash in surface, discrete particles need to only be removed and can constructed by basic level requirement.
3rd, loading is light.During construction 30~40mm of thickness, weight per square meter about 2Kg or so substantially reduces built-loading, special
Shi Yongyu not skyscraper, Light-frame building and longspan structure building.
4th, with reliable water-proof function：Unique preparation and the raw material of high-quality, it is ensured that finished product rate of closed hole is reachable
To more than 95%, continuous seamless entirety is formed after construction, waterproof quality is effectively guaranteed.
5th, reliability is high：Integrated material can be simultaneously guaranteed due to function with compromise complementary, waterproof and heat-insulating property,
Greatly enhance the reliability of system；
6th, quick construction is easy：Material solidification speed quickly, can go up people after 20 minutes after spraying.Simplify overall construction
Process, accelerates construction progress.Especially in special-shaped position and detail structure, the construction practice is simple, and construction quality is effectively ensured.
7th, good integrity：Due to being existing normal spraying application, so the waterproof or detail structure for irregular position are prevented
Water, easily forms an entirety with big face, and construction gets up to be convenient to and have reliable quality assurance.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, the reality with the present invention
Applying example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the roofing polyurethane foaming body water-proof heat preserving architecture schematic diagram of the present invention.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that preferred reality described herein
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
As shown in figure 1, the present invention includes the roof-base 1 positioned at bottom, high-pressure machinery is directly used on roof-base 1
In-situ spraying hard polyurethane foams layer 2, as needed, can be in polyurethane after treating first layer polyurethane foam formable layer
One layer of polyurethane foam is sprayed on froth bed again.Treat after second layer polyurethane foam formable layer, directly smear thermal insulation mortar and obtain
It is heat-insulation mortar bed 3 that (it undertakes the effect of screed-coat, binder course simultaneously, in roof-base height >=30m, installs anchoring piece (figure
Not shown in) and then batch scrape first of finishing mucilage press-in grid cloth, batch finishing mucilage formation finishing mucilage layer 4 is scraped, it is then viscous
Paste asphalt roofing watt (not shown).
Key points for operation
1. weather conditions
The atmospheric temperature at scene not preferably less than 8 during roofing monoblock type polyurethane (PURF) foaming body waterproof thermal-insulated system construction
DEG C, relative air humidity is not preferably greater than 90%, and wind-force is preferably less than 5 grades.
2. basic unit's condition
(1) requirement most basic to basic unit of polyurethane on-the-spot foam body is to dry and smooth.Substrate moisture content is tested by national standard
Specification 15% is received to control.
(2) the drainage grade requirement of basic unit：Basic unit's gradient is not less than 2%, and gutter longitudinally looks for slope to be not less than 1%, Shui Luokou
The gradient is not less than 5% in the range of surrounding 500mm；
(3) water string should be set before spraying application by going out basic unit's pipeline of roofing, and with mortar with " R " formula way, just
In spraying application is uniform, junction is round and smooth；Spraying height is not less than 300mm on pipeline, receives head clip clamping.
(4) horizontal drain gully bottom is put down with basic unit's identity distance from for 10mm, inner side and metope；The top of vertical drain gully is slightly higher
In basic unit face 5mm.
(5) junction (negative and positive angle) of roofing and gable, parapet, gutter, eaves gutter and prominent roof structure should make
Circular arc, its arc radius is R=80~100mm；The water-proof heat-insulation layer at flashing position is typically covered with cement mortar, central to set
Steel wire, steel wire is fixed using bar for line, and bar for line is gluing on flashing basic unit face before spraying.
3. spraying operation
Asphalt must be carried out before spraying by the 1 day metal and plastic member position to having drain gully and pipeline to go out roofing in advance
Polyurethane coating coating problems, make detailed treatment more reliable.
Spray polyurethane foam water-proof heat-insulation material must be prepared before spraying application, while making appropriate according to execution conditions
Adjustment.
Application specific pneumatic compression devices carry out deashing processing to basic unit before spraying, and meet basic unit's condition.
In-situ spraying uses special equipment, and spraying should be connected uniformly, and at least spraying is completed each working face in two times, often
Layer is 10mm~15mm or so, because just forming one of epidermis on its surface after spraying each time, increases its water resistance.It is overall
Polyurethane foam body thickness is not lower than 20mm after completion.
Special-shaped part on roofing should carry out spraying application by " detail structure ".
4. key points for operation
During spraying operation gunman should grasp constantly spraying direction, with the distance of construction surface, spray angle, spray pressure,
And foam thickness, homogenieity etc. are required.
Foaming body coating thickness is as shown in table 1：
PURF water-proof heat-insulation layer applied thickness table 1
Note：Thickness is that the calculated value through thermodynamic metering can be distinguished using the thick reinforced concrete roofs of 100mm as basic unit in table
Reach heat transfer coefficient≤1.5W/ (m2K) requirement and≤1.0W/ (m2K) requirement.
Equipment pressure and discharging situation, the foam-in-place quality condition of foams are checked among in-situ spraying at any time, once
The situation that notes abnormalities stops rifle adjustment at once.
Whole working face is checked after in-situ spraying, particularly position of joints such as drain gully, flue, go out roofing pipe
Road, parapet, eaves gutter, at flashing, once find that the not enough place of drain spray, cavity and thickness should be filled spray in time.Simultaneously
To occurring flaking, the place of hollowing fills spray after excavating.
The foaming of spray polyurethane foam is stable and hardening time is about 15 minutes, therefore on forbidding after construction in 30 minutes
People, prevents from damaging.
Upper surface repairing is using manual electric planer to being repaired at out-of-flatness, it is ensured that highness change is in the range of 10mm.
Roofing polyurethane foaming body waterproof and insulation integrated construction technique can greatly prolong the service life of water-proof heat-insulation layer,
The waterproof layer update cycle is increased, maintenance cost has been saved.Construction is simple, greatly increases work efficiency and construction quality.
Described above is the preferred embodiments of the present invention, it is noted that come for those skilled in the art
Say, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.For the technical staff of general domain, on the premise of without departing substantially from true spirit
To any obvious change that it is done, it will all constitute to infringement of patent right of the present invention, corresponding law duty will be undertaken
Appoint.
Claims (5)
1. a kind of roofing polyurethane foaming body waterproof and insulation integrated construction technique, the technique is included on roof-base
Directly using high-pressure machinery in-situ spraying hard polyurethane foams layer, after treating first layer polyurethane foam formable layer, Ke Yi
One layer of polyurethane foam is sprayed on polyurethane foam again, treats after second layer polyurethane foam formable layer, directly smears insulation
Mortar obtains heat-insulation mortar bed, then criticizes and scrapes first of finishing mucilage press-in grid cloth, criticizes and scrapes finishing mucilage formation finishing mucilage layer,
Then paste asphalt roofing watt.
2. roofing polyurethane foaming body waterproof and insulation integrated construction technique according to claim 1, each layer is hard
The thickness of matter polyurethane foam is 100-150mm, and each layer of hardening time is 10-20 minutes.
3. roofing polyurethane foaming body waterproof and insulation integrated construction technique according to claim 1, the roof-base
The gradient is more than 45 degree, preferably local to be more than 60 degree.
4. roofing polyurethane foaming body waterproof and insulation integrated construction technique according to claim 1, roof-base height
During >=30m, in addition to the step of installation anchoring piece.
5. roofing polyurethane foaming body waterproof and insulation integrated construction technique according to claim 1, the hard polyurethane
Ester froth bed is directly fitted with roof-base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710132934.4A CN106968403A (en) | 2017-03-07 | 2017-03-07 | Roofing polyurethane foaming body waterproof and insulation integrated construction technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710132934.4A CN106968403A (en) | 2017-03-07 | 2017-03-07 | Roofing polyurethane foaming body waterproof and insulation integrated construction technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106968403A true CN106968403A (en) | 2017-07-21 |
Family
ID=59329262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710132934.4A Pending CN106968403A (en) | 2017-03-07 | 2017-03-07 | Roofing polyurethane foaming body waterproof and insulation integrated construction technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106968403A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661250A (en) * | 2018-06-04 | 2018-10-16 | 中建局集团建设发展有限公司 | Inversion-type waterproof heat-retaining roof structure and its construction method |
| CN109487960A (en) * | 2018-12-27 | 2019-03-19 | 广州市明煌保温节能材料有限公司 | A kind of anti-integral material of color steel tile four and its construction technology |
| CN115075477A (en) * | 2022-06-28 | 2022-09-20 | 浙江赛腾新型建材有限公司 | Be arranged in roofing structure heat preservation tile material and decorate intergral template |
| JP7400174B2 (en) | 2019-12-20 | 2023-12-19 | 株式会社竹中工務店 | Waterproofing method for structures |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1080682A (en) * | 1992-06-30 | 1994-01-12 | 烟台合成革总厂 | Direct spray ployurethane foam thermo-insulating water-proof roof |
| CN2365301Y (en) * | 1999-04-15 | 2000-02-23 | 张连玉 | Waterproof insulation polyurethane glass fiber reinforced plastic roof |
| CN2401366Y (en) * | 1999-09-18 | 2000-10-18 | 邢思银 | Light roof covering layer for water-proof and thermo-insulation |
| CN201116386Y (en) * | 2007-06-12 | 2008-09-17 | 刘文国 | Fiberglass tyre asphalt tile thermal insulation composite board |
| CN102071748A (en) * | 2010-12-22 | 2011-05-25 | 航天海鹰安全技术工程有限公司 | Leveling type polyurethane spraying outer heat insulation wall body of V-shaped steel net and spraying leveling method |
| CN201865259U (en) * | 2010-12-03 | 2011-06-15 | 吉林省志惠防腐保温工程有限公司 | Roof polyurethane composite heat insulating and waterproof system |
| CN204266482U (en) * | 2014-11-14 | 2015-04-15 | 东方富神化工科技（北京）有限公司 | A kind of heat-insulation waterproof roof |
-
2017
- 2017-03-07 CN CN201710132934.4A patent/CN106968403A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1080682A (en) * | 1992-06-30 | 1994-01-12 | 烟台合成革总厂 | Direct spray ployurethane foam thermo-insulating water-proof roof |
| CN2365301Y (en) * | 1999-04-15 | 2000-02-23 | 张连玉 | Waterproof insulation polyurethane glass fiber reinforced plastic roof |
| CN2401366Y (en) * | 1999-09-18 | 2000-10-18 | 邢思银 | Light roof covering layer for water-proof and thermo-insulation |
| CN201116386Y (en) * | 2007-06-12 | 2008-09-17 | 刘文国 | Fiberglass tyre asphalt tile thermal insulation composite board |
| CN201865259U (en) * | 2010-12-03 | 2011-06-15 | 吉林省志惠防腐保温工程有限公司 | Roof polyurethane composite heat insulating and waterproof system |
| CN102071748A (en) * | 2010-12-22 | 2011-05-25 | 航天海鹰安全技术工程有限公司 | Leveling type polyurethane spraying outer heat insulation wall body of V-shaped steel net and spraying leveling method |
| CN204266482U (en) * | 2014-11-14 | 2015-04-15 | 东方富神化工科技（北京）有限公司 | A kind of heat-insulation waterproof roof |
Non-Patent Citations (2)
| Title |
|---|
| ABQJ11: "小青瓦屋面施工方案", 《HTTP://JZ.DOCIN.COM/P-1590150163.HTML》 * |
| 肖本林等: "《土木工程与建筑教育改革理论与实践》", 31 December 2015, 测绘出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661250A (en) * | 2018-06-04 | 2018-10-16 | 中建局集团建设发展有限公司 | Inversion-type waterproof heat-retaining roof structure and its construction method |
| CN109487960A (en) * | 2018-12-27 | 2019-03-19 | 广州市明煌保温节能材料有限公司 | A kind of anti-integral material of color steel tile four and its construction technology |
| JP7400174B2 (en) | 2019-12-20 | 2023-12-19 | 株式会社竹中工務店 | Waterproofing method for structures |
| CN115075477A (en) * | 2022-06-28 | 2022-09-20 | 浙江赛腾新型建材有限公司 | Be arranged in roofing structure heat preservation tile material and decorate intergral template |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106968403A (en) | Roofing polyurethane foaming body waterproof and insulation integrated construction technique | |
| CN104695631A (en) | Construction method for spraying polyurea waterproof coating on roof | |
| CN108755983B (en) | Waterproof process | |
| CN104018598A (en) | Outer wall structure and construction and installation method | |
| CN106836663B (en) | The construction method of water-proof insulating roof | |
| CN103233520A (en) | Self-waterproof system of building external wall structure and construction method of self-waterproof system | |
| CN111042348A (en) | Waterproof construction process for base layer in various complex forms | |
| CN104032771B (en) | Attractive joint anti-crack construction method set up by a kind of underground structure | |
| CN107313560B (en) | Reinforced waterproof roof of archaize building and construction method thereof | |
| CN101666142A (en) | Waterproof processing method and structure for roof stretching seam | |
| CN101560777A (en) | Waterproof construction method for bottom plate of basement with anti-float anchor rod | |
| CN205688670U (en) | A kind of roofworks system structure | |
| CN111305399A (en) | Basement outer wall post-cast strip system and construction method thereof | |
| CN105089290A (en) | Method for repairing roof | |
| CN112695959A (en) | Passive heat-bridge-free slope roof 300 mm-thick heat-insulation and decoration integrated construction process | |
| CN216276503U (en) | Multifunctional heat-preservation and heat-insulation roof decoration integrated plate and assembled roof structure | |
| CN105133855A (en) | Energy-saving and environment-friendly waterproof warming construction method for existing roof surface | |
| CN205077740U (en) | Oblique roof waterproof roof boarding | |
| CN211037568U (en) | Plant vegetation roof waterproof construction | |
| CN206529977U (en) | Compound water-proof thermal-insulation is slight high-strength foam concrete roofing | |
| CN102733427B (en) | Water-proofing and permeability-proofing construction method for coastal civil air-defense constructions | |
| CN112127752A (en) | Construction process for installing and preventing leakage of outer flush type outer window | |
| CN114197915B (en) | Minimally invasive self-healing waterproof method for roof | |
| CN111287339A (en) | Construction method for preventing and controlling rigid and flexible water leakage of brick-concrete structure | |
| KR200445758Y1 (en) | All weather easy and perfect insulation, waterproof Al panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170721 |