RectorSeal®, the global leader in the life safety and passive fire protection industry, has consolidated BioFireshield®, FlameSafe® and

Metacaulk® brands into one complete firestopping solution line – Metacaulk.

The UL approved Metacaulk firestopping products, with maximum three-year shelf life, are specifically designed to fill voids in construction joints and around penetrations in fire-rated walls or floors.


metacaulk website
metacaulk UL systems selector
Metacaulk Catalog