roof underlayment

1.  Introduction

Polymer PP&PE waterproof membrane is a compounded polymer which takes PE&PP nonwoven materials as its main waterproof layer, and integrates ultraviolet isolation agent, aging resistant agent, etc.  

2.   Features

•  It is of layer-construction, the surface layer is of strengthening protection, the second of ageing resistance, the third of waterproof and the beneath of strengthening adhesion. Every layer has special features which greatly improves the comprehensive function of the product. 
• Layer of ageing-resistance make it have long service life up to 50 years; Two layers of coarse non-woven cloth for strengthening protection and adhesion make it have big coefficient of friction and easy to bond firmly with various adhesives; 
• It is a kind of no poison, no pollution and environmental product. 
• High tensile strength, strong anti-permeability and good cold flexibility. 
• It can be applied only if there is no obvious water in the field. 
• It can be directly used in the cement construction and sandy soil, etc. And the surface of the membrane can be directly decorated by ceramics, etc.

3. 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.

4. Specificaiton

5. Pictures for your reference 

Weifang Hongyuan Waterproof Materials Co., Ltd.is a professional and leading waterproofing manufacturer integrating R&D, production, sales and construction. Hongyuan was founded in 1996 and covers an area of more than 110,000 square meters. Headquartered in Shandong, China, the company has 4 production bases and more than 10 branches all over the country.

Hongyuan produces kinds of asphalt shingles, PVC/TPO/ EPDM waterproof membrane,  roofing underlayment, SBS/APP modified bitumen waterproof membrane, self-adhered bitumen membrane, waterproof coatings, pond liner and others.

The company has passed ISO9001:2008 quality management system certification, and ISO14001:2004 environmental management system certification. The products are exported to dozens of countries and regions, such as the United States, Canada, South America, Southeast Asia, Europe, and Africa.

Carrying forward the operation idea of “pragmatism, innovation, integrity, and sharing”, Hongyuan will make all efforts to provide quality products and efficient services for clients at home and abroad.

Welcome to visit us!