This Firestone water block sealant has been designed with strength and reliability in mind. To be used in conjunction with other Firestone products, this sealant is for use in EPDM rubber roofing and flat roofing projects, it creates a watertight seal when applied under compression for a long-lasting and reliable finish.

Perfect as a water block sealant for use behind a membrane when fixing a termination bar, the Firestone water block sealant is highly flexible and resistant to extreme temperatures. A cost-effective solution for your EPDM rubber roofing project.