GAF Seam Tape is a self-adhering, SBS-modified tape that seals roof deck seams, resists water intrusion, and meets ASTM D1970 standards.

The new synthetic underlayment from Veer Plastics achieved certification to the nail seal standard of ASTM D1970, making it one of the most reliable and high-performance underlayments on the market.

NR600 Ultra consists of a heavy-duty polyester fabric that imparts excellent tensile strength and elongation to this premium underlayment. IRE Booth #4532.

RIMA-I and ASTM International are making it easier for product manufacturers to let consumers know their products are meeting proper codes and standards.

Roofing contractors will want to keep an eye out for synthetic underlayments meeting the ASTM’s new standard in the coming months.

A new ASTM International test method will support the growing use of roofing membranes that contain ketone ethylene ester (KEE) polymer blends that are more flexible, chemical resistant and thus less susceptible to some types of damage.