<https://bartstapingtools.com/products/grabbergard-fire-caulk#product>
<http://schema.org/description>
"Introducing Grabber Fire Caulk - a single component smoke and fire stopping sealant for wall and floor penetrations and other constructions gap applications.During a fire, our GrabberGard™ EFC Fire Caulk absorbs heat and provides a fire barrier against fire and smoke, while our GrabberGard™ IFC Fire Caulk expands to maintain a tight seal against fire and smoke.Available in 29 ounce cartridges, and 20 ounce sausage for the ultimate in smoke and fire protection, protect it with Grabber's Fire Caulk."
<https://bartstapingtools.com/products/grabbergard-fire-caulk>