1.Strong resistance to negative wind pressure，strong carrying capacity and strong lateral tensile strength.

2.ASA plastic gaskets are resistant to oxidation and high temperature, and can effectively prevent strong lightning from penetrating the  roofing  membrane.

3.Easy and fast installation,high pre-installation.

4.Coated metal and waterproofing material welding seamless. Welding strength up to 1.275kN/50mm(TPO),which is 8.3 times of the peeling strength of the waterproof seam. (GB 27789-2011)

5.100% welded with original roof without additional sealing measures.

6.Without drilling hole on roof, waterproof and saf