Firestone SBS MB Base SA

2_0702197 MFG #: W71FSS0827
$168.16 / EACH
Firestone is excited to announce a new high performance non-penetrating vapor retarder system for use with all Firestone roofing systems. One of the key components of the vapor retarder system is the Firestone engineered SA Primer used to enhance the adhesion of MB Base SA to approved substrates as well as the laps of the MB Base SA. Correctly installed, this system offers a perm value of 0. 0001 grains/h. ft². in. Hg.