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sand coated shed roofing felt
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Product Details
Place of Origin: | Shandong, China | Brand Name: | Hongyuan |
Product Description
sand coated shed roofing felt
Product Features:
This product is a kind of unbreakable asphalt waterproof cushion which belongs to the waterproof and wet isolation construction material area, it has excellent tensile flexibility.it is composed by the polymer felt, tensile layer and release layer. The bitumen compound layer is SBS modified bitumen compound layer or rubber bitumen compound layer.in order to solve the problem of easy breaking and weak tensile strength; we coat the felt layer with compound bitumen layer and tensile layer. We paint the mineral sand onto both side of the cushion to stop the stickiness. This tensile flexibility waterproof cushion is flexible, at the same time, it has excellent tensile strength, and it is waterproof and moist insulation,it has very long service time, its produce technology is simple and suitable for waterproof project of the base, floor and roof for all kinds of buildings.
Product Characteristic
- High dosage SBS, ensure the long term service time.
- Unique formula ensure the SBS have a good compatibility with the bitumen, it will grantee the stability and stickiness in long term service time.
- Advanced produce technology and equipment can ensure the quality of membrane
Applicable scope:
- Viaduct,bridge, underpass, tunnel,underground,park,air station
- Flat roof, arch roof, cement preset roof
- Irrigation canal, catchment,granary
Specification
Description | Double Sand asphalt roofing felt –composite felt |
Thickness | 2.0mm |
Unit weight | 1500-2000g/m2 |
width | 1m |
Length | 10m;20m.Customized |
Technical data
Tensile strength(N/50mm) |
|
crosswise | 817 |
lengthways | 523 |
Soluble substance content (g/m2) | 1601 |
Low temperature flexibility | 10°Cx2h,No cracking |
Installation Instructions of double sand waterproof cushion
(1) Double sand waterproof cushion is designed for new or reproofing work over properly build and supported wood roof decks or concrete roof decks with a slope of ≥20 degrees.
(2) When they are installed over the wood roof decks, they will be fixed with adequate felt nails; when they are installed over the concrete roof decks, they will be fixed both with adhesives and adequate steel felt nails.
(3) Apply them over properly prepared roof deck, starting at bottom of roof and working across and up.
Starter course
(A) Trim tabs off all starter course double sand waterproof cushions, so sealant can seal along the eave’s edge.
(B) Complete rest of starter course, use at least five fasteners for each waterproof cushion, placed 2″to 3″up from the eaves edge.
First course
(C). Apply first course, starting with a full waterproof cushion, even with the starter course, use fasteners or adhesives to fix each waterproof cushion.
Second course
(D). Begin second course by positioning first waterproof cushion from the end of the underlying waterproof cushion,-with the butt edge aligned with the top of the cutouts in the course below.
Third course
(E). Begin each subsequent course by positioning the first waterproof cushion from the end of the underlying waterproof cushion,with the butt edge aligned with the top of the cutouts in the course below.
(F). Leave about 5″(125mm) exposure, fasten securely and trim excess overhang at rake.
(G). each waterproof cushion will be fixed by at least five fasteners. If the roof decks with a slope of ≥150 degrees, more fasteners and adhesives will be used.
Contact Us
- Weifang Hongyuan Waterproof Materials Co., Ltd.
- Contact namehongyuan Ding
- Phone86-536-5526955
- Address2000m West Of Taitou Town Government, Shouguang
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