PVC Roofing Membrane

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Description

Product Detail

PVC Roofing Membrane

1.Product overview

The PVC Roofing Membrane(Exposed type) is a composed flexible waterproof membrane made from polyvinyl chloride resin as the main material,mixed with defoamer, aging resisting agent and ultraviolet light absorber.
This product has high plant-roof puncture
resistance,so it is widely used on roof waterproofing projects especially plant-roof.

2.Product Categories
fiberglass mesh, fiberglass non-woven fabrics or polyester non-woven fabrics can be added as inner layer or backing to enhance product tensile strength.

Categories	Introduction	Standard	Item NO.
P Type	Membrane reinforced by embedded fiber mesh(fiberglass mesh,polyester fabrics). This is usually suitable for single-ply waterproof system for roof by welding and mechanical fastening.	GB27789-2011	DYP-816
H Type	Homogeneous membrane. This is usually suitable for metal roof, general basic construction.	GB27789-2011	DYP-817
L Type	Membrane reinforced by non-woven fabric backing. This is usually suitable for concrete roof by welding and adhesion.	GB27789-2011	DYP-818

3.Product Features
1)The product is plant-root puncture resistant, long service life, high tensile strength & elongation, can effectively
resist the destruction of the waterproof layer due to structure deformation.

Resistance to chemical corrosion & mildew, especially applicable to tunnel waterproofing and planting roof

waterproof engineering.

Aging resistant, wind uplift resistant, heat-deformation resistant, suitable for exposed roof system.
High flexibility under low temperature,flame retardant feature ensures High construction safety.
Tightly bond with substrate on hot gas welding, perfect seam welding, and no environmental pollution.

4.Product Specification

Thickness/mm	1.2	1.5	1.8	2.0
Width/mm	1000/2000	1000/2000	1000/2000	1000/2000
Length/m	20/25	20/25	20	15

5.Application scope
1)Industrial and civil building basement and roof waterproof engineering, roofing engineering including planting
roof, flat roof, sloping roof, concrete roof, light steel structure roof as well as both interior & exterior roof.
2)Large grain depot, beam field, landfill, artificial lake, pipe trenches & municipal engineering of waterproof, etc.
3)Subway, road, rail tunnels, bridges, civil air defense engineering, etc.

6.Executive standard & Performance index

Executive standard: GB12952-2011 PVC Waterproof Membrane
Item			Index

			H	L	P	G
Top side resin thickness/mm =			-		0.40
Tensile performance	Maximum Tension/(N/cm) =		-	120	250	-
	Tensile Strength/Mpa =		10.0	-	-	10.0
	Max Elongation Rate/% =		-	-	15	-
	Elongation at Break/% =		200	150	-	200
Heat-treatment size change rate/% =			2.0	1.0	0.5	0.1
Low-temperature Bending			-25?,no crack
Water Tightness			0.3Mpa,2h, no leakage
Impact-resistance			0.5kg·m,no leakage
Joint Peel Strength/(N/mm) =			4.0 or material damage		3.0
Right Angle Peel Strength/(N/mm) =			50	-	-		50
Trapezoidal Tear Strength/N =			-	150	250		-
Water absorption(70?,168h)/%		After immersion =	4.0
		After open time =	-0.40

7.Construction process scheme:?

1)Mechanical Fastening(steel roof);
1.Substrate treatment – ?2.Paving vapor barrier – ?3.Fastening insulating layer – ?Paving waterproof membrane – ?Fastening waterproof membrane – ?Hot gas welding waterproof membrane.

image005_??.jpg

2)Full-adhibiting Method(concrete roof)
1.Substrate treatment – ?2.Snap lines for alignment – 3.Paving waterproof membrane – ?Paint adhesive – ?Rolling to exhaust gas - ?Hot gas welding waterproof membrane

8.Storage
1)Different types and specifications of the products should be stacked respectively. Pay attention to ventilation.
Storage temperature should not be higher than 45?, flat storage stack height no more than five layer, put
single pile vertical, keep product away from acid, alkali, oil, organic solvent, etc.
2)Transportation to prevent tilt or lateral pressure, cover with cloth if necessary.
3)Under the condition of normal storage & transportation, storage period is one year.

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Guangzhou Dayu Waterproof Technology Development Co.,Ltd

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