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Underlayments

Total 5 Product(s) in Underlayments

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Asphalt Saturated Organic Felt

Our main products are black building paper and roofing felt which are in conformity with ASTM standards of U.S.A.

The specifications of black building paper:
30 minute paper,
60 minute paper,
90 minute paper
120 minuter paper

The specifications of roofing felts:
ASTM D-4869, Type I 15#, Type ? 30#;
ASTM D-226, Type I 15#, Type ? 30#;
ASTM D-6380, Class M, Type?90#;
ASTM D-225, Type III

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APP/SBS Modified Bitumen Asphalt Membrane

APP Modified Bitumen Asphalt Membrane

Description:

APP modified bitumen asphalt membrane is atactic polypropylene (APP),high polymer, other chemical material and asphalt at high temperature by use of strict technology and scientific formulation .And then use polyester unwoven fabric as fabric layer ,with evenly impregnated double sides to make APP modified asphalt composite ,a new type waterproof material the surface of which undergoing a technological process i.e. covering it with PE film ,fine sand and slate separately.

Use:

APP modified bitumen asphalt membrane is widely used on the surface of building and underground waterproof construction; waterproofing construction such as underground tunnel, bridge and pool.

Features:

Excellent waterproof efficiency.

Good elasticity.

High extensibility

Package: package to rolls with plastic belts.

SBS Modified Bitumen Asphalt Membrane

Description:

width: 1m

thickness : 2mm , 3mm , 4mm ,

area of roll : 15sq.m , 10sq.m , 7.5sq.m

low temperature flexibility : -18/-25

surfaced materials : PE film , granule, slate , metal foil , sand , mineral

Package: package to rolls with plastic belts.

APP

Thickness(mm)	2		3			4
Surface materails	PE	S	PE	S	M	PE	S	M
Weight(kg/roll)	33.0	37.5	32.0	35.0	40.0	42.0	45.0	50.0
Length(m)

No.	BASE			PY		G
	TYPE			I	II	I	II
1	Soluble Content g/M squared>=			2100
2	Water Impermeability	Pressure. Mpa >=		0.3		0.2	0.3
		Keeping Time. Min>=		30
3	Heating Resistance?C			90	105	90	105
				no slipping no flowing, no dripping
4	Tensile Strength N/50mm>=		MD	450	800	350	500
			CD			250	300
5	Elongation %>=		MD	25	40	-
			CD
6	Flexibility-Low Temperature?C			-5	-15	-5	-15
				no crack
7	Tear Strength N>=		MD	250	350	250	350
			CD			170	200

SBS

Thickness(mm)	2		3			4
Surface materails	PE	S	PE	S	M	PE	S	M
Weight(kg/roll)	33.0	37.5	32.0	35.0	40.0	42.0	45.0	50.0
Length(m)

No.	BASE		PY		G
	TYPE		I	II	I	II
1	Soluble Content g/M squared>=	2.5mm	-		1300
		3mm	2100
		4mm	2900
2	Water Impermeability	Pressure. Mpa >=	0.3		0.2	0.3
		Keeping Time. Min>=	30
3	Heating Resistance?C		90	105	90	105
			no slipping no flowing no dripping
4	Tensile Strength N/50mm>=	MD	450	800	350	500
		CD			250	300
5	Elongation %>=	MD	30	40	-
		CD
6	Flexibility-Low Temperature?C		-18	-25	-18	-25
			no crack
7	Tear Strength N>=	MD	250	350	250	350
		CD			170	200

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Breathable Waterproof Underlayments

Use:

Breathable roofing underlay positioned immediately above the insulation layer in a warm pitched roof, or in a cold pitched roof (ventilated or unventilated). Breathable roofing underlay for use under tiles and sheeted roofs, over open rafters or on to fully boarded substrates. Breather membrane for timber frame wall construction. Easy installation. Excellent nail tear and tensile strength. Use as underlay for warm or cold roof construction to minimise roof-space condensation. 100% waterproof. UV and heat-resistant. Can be used in windy areas.

Features:
Strong & Durable

High performace breather membrane
Constructed from high tensile spun-bonded polypropylene layers
Higher levels of water resistance
Full moisture vapour permeability
Breathable underlay for tiled and slated pitched roofs
Eco-friendly to be completely recyclable.

Main Specification:
FMFB130 Breathable Roof Membrane
Weight: 130g/sq. M
Width: 1.5m
Length of Roll: 30m-50m
Colour: Blue (top surface)
White (under side)
Tensile Strength: 166/112
Water vapour transmission: 1500-1800g/sq. M/24h
UV resistance: 4 months
Output ability: 50,000 sq. M /day. Shift

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SteepRoofGuard flex 200 series Waterproof Underlayment

This is composed of a high-strength, spunbonded polypropylene base sheet, co-extruded on both sides with UV stabilized polyolefin.

Specification
- Can be PP woven base liminated with PP non-woven fabric
- Can be PP woven base co-extruded on both side with polyolefin
- Can be PP woven base antislip coated with PP non-woven laminated fabric
- Finished products size and weight range :
Roll length : 50m up
Roll width : 0.8m - 1.5m
Unit weight : 100gsm - 250gsm

Technical parameters

Property of per roll	Normal Value
	North America	Europe
length	257.5ft	78.5 m
width	3.1 ft	0.945m
weight	33 lbs	15 kg
Tensile strength N/200mm	CD>=400N
	MD>=400N
Tensile tear strength	CD>=1000gf
	MD>=1000gf
Low temperature flexibility	<=23?F	-5?C
heat resistance	>=185?F	85?C

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BuildingTopGuard500 Hybrid Waterproof Roofing Underlayment

This is an 8-layer laminated roofing underlayment consists of multiple layer of asphalt, synthetic fiber, Non-woven, and HDPE, provides a vital second layer of protection on top of the building for waterproofing, and to prevent roof damage from rain or snow. Its construction results in high strength, low weight, unmatched tear resistance and long life tendency also almost half the cost of other synthetic underlayments.

Applications:

- to serve as an essential part of the roofing system

- to serve as a temporary roofing cover during construction

- to serve as a safety "net"

Products Technical Parameters

Property of per roll	Normal Value
	North America	Europe
length	145ft	44 m
width	3.1 ft	0.95m
weight	>=50lbs	22 kg
Tensile strength N/200mm	CD>=300N
	MD>=300N
Tensile tear strength	CD>=1500gf
	MD>=1500gf
Low temperature flexibility	<=14?F	-10?C
heat resistance	>=260?F	126?C
Top surface	Black color with trade mark printed
Bottom surface	Plain black color

Testing Report for BuildingTopGuard 500

*Testing Report for BuildingTopGuard 500*
No.	VARIABLE	MEASURED BY	UNIT	NOMINAL
1A.	Roll weight(w/o core) - 4.5 square		lbs.	49.5
1B.	Roll weight(with core) - 4.5 square		lbs.	50
2	Roll length - 4.5 square	ASTM D-412	ft.	144
3	Width	ASTM D-412	inch	37.3
4	Tensile strength - MD	ASTM D-751	lbs/in	388
5	Tensile strength - CMD	ASTM D-751	lbs/in	260
6	Tensile strength - MD(Elmendorf)	ASTM D-1922	lbs	3.0
7	Tensile strength - CMD(Elmendorf)	ASTM D-1922	lbs	5.4
8	Trapezoidal Tear strength -MD	ASTM D-4533	lbs	26
9	Trapezoidal Tear strength -CMD	ASTM D-4533	lbs	22
10	Water shower test	ASTM D-4869	Pass/Fail	Pass
11	Water vapor transmission rate	ASTM E 96-B	Perms	0.13
12	Pliability at 14F for 24 hours	AC207	Pass/Fail	Pass
13	3/8" dia. Head nail pull-through	D-3462	lbs	56
14	7/16" crown staple pull-through	D-3462	lbs	30
15	Accelerated aged TENSILE strength -MD	AC 188 (ASTM D-751)	lbs/in	91
16	Accelerated aged TENSILE strength -CMD	AC 188 (ASTM D-751)	lbs/in	78
17	Accelerated aged TENSILE strength -MD	ASTM D-1922	lbs	2.63
18	Accelerated aged TENSILE strength -CMD	ASTM D-1922	lbs	3.80
19	Accelerated aged TENSILE strength -MD	AC 188 (ASTM D-751)	lbs/in	TBD (7/12/07)
20	Accelerated aged TENSILE strength -CMD	AC 188 (ASTM D-751)	lbs/in	TBD (7/12/07)
21	Loss on heating at 221F for 5 hours	ASTM D-146/ D-226	%	4.1
22	Dimensional stability - low humidity	ASTM D-4869 (F-1087)	%	0.38
23	Dimensional stability - high humidity	ASTM D-4869 (F-1087)	%	0.38
24	Static coefficient of friction -Dry(1)	ASTM D-1894	~	0.80
25	Static coefficient of friction -Wet(1)	ASTM D-1894	~	0.78
26	Dynamic coefficient of friction -Dry(1)	ASTM D-1894	~	0.69
27	Dynamic coefficient of friction -Wet(1)	ASTM D-1894	~	0.76
28	Surface defects	Visual	Without pinholes, wrinkles, tension bands, stretch marks or other blemishes

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