2019 Classical Waterproof Roofing Underlay

$0.20 - $0.80
Min. Order
10000 Square Meters
Choose your specifications
Company Information

Ningbo Xiyun New Polymeric Materials Co., Ltd.

CN Manufacturer
Response Time
Response Rate:
2 Years Paid Supplier Gold Supplier Onsite Check
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Quick Details

Port: Ningbo/Shanghai
Payment Terms: L/C,T/T,Western Union
Supply Ability: 3500000 Square Meter/Square Meters per Month
Place of Origin: Zhejiang China
Brand Name: XIYUN
Model Number: M120
Material: PP non woven fabric+PE film+PP non woven fabric
Color: upper brown+lower white
Usage: roof underlay or house wrap
Length: 50m/customer's Requirement
Width: 1.5m/customer's Requirement
Certificate: CE/ISO9001/BBA/ICC-ES/CCMC
Weight: 120g/m2
Feature: waterproof and vapor permeable
Packing: pallets or bulk loading
HS CODE: 5603931090
Packaging Detail: pallets packing or bulk loading

Product Descrition & Application

Xiyun Waterproof Breathable Membrane is 3-layer thermo-bonded: PP non woven fabric of top and bottom layer, Micro-porous PE film, between the two layers. is to form waterproof and breathable membrane, with excellent performance at water resistance(>1500/3000mm H2O) meanwhile with particular function of high vapor permeability(1800g/3000g/m2/24h), which mainly used in construction as underlay on pitched roofs or walls.


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.


Waterproof Breathable Membrane Technical Data Sheet 

Unit Area Weight120g/m2        Color: Upper brown+Lower White
Roll Size1.5*50m/roll or Customerized.jpg
Vapor Permeability2250g/m2/24h
Sd Value0.02m(-0.005/+0.015)
Water TightnessClass W1
Tensile Strength MD/CD180/120N50mm(+/-20%)
Tearding Strength MD/CD95/115N(+/-20%)
UV Resistance3 Months
Reaction to FireClass F
packingpallets or bulk loading



Main Future

1) Waterproof&HIgh Breathable 

2) Stable UV resistance performance

3)High Tensile strength properties

4)Superior quality with competitive price


Product Show

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Our company

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Packing Details  : pallets package or bulk loading

Delivery Details : 15-20 days after deposit

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Our Certification


Our product have been tested according to EN13859-1 Standard for CE in European laboratories:" MFPA Leipzig GmbH" in Germany; "COBR PIB Katowice" in Poland; "Istitudo Giordano" in Italy. Meanwhile our breathable membrane also have be tested according to ASTM standard in USA and CCMC approved in Canada(by our customers)