Hongyuan Breathable Waterproofing Membrane as roofing underlayment

1.  Introduction 

It is a new kind of three-layer composite membrane which is used in the construction field and has air purification, waterproof, breathable, and moisture permeability functions.

The three-layer composite membrane is made by hot pressing the middle layer microporous film and the inner & outer layer polypropylene nonwoven. Through adding catalyst and adsorbent compounds, the microporous film has air purification function and can effectively decompose various harmful gases. 

2. Applications 

It could be used in civil or industrial buildings, for waterproofing of roofs, basements, ground, indoor floor, toilets, ponds, reservoirs, tunnel, bridges and anti-pollution in metallurgy, chemical industry etc.

3. Specificaiton  

Thickness:110g(0.35mm),140g(0.45mm)  

Size:1.5m*100m 

4. Pictures for your reference  

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