The most advanced EPDM has been combined with a polyester fleece backing .
The most advanced EPDM has been fabricated with a patented hot - melt adhesive technology which provides consistent bond strength between the fleece backing and the membrane .
The most advanced EPDM has been combined with a polyester fleece backing and fabricated with a patented hot - melt adhesive technology which provides consistent bond strength between the fleece backing and the membrane .