ATTENTION CUSTOMERS: The building & construction industry is currently experiencing a worldwide shortage of raw materials due to the COVID-19 pandemic. Manufactures have already begun notifying distributors of these disruptions and shortages in the supply chain and have also implemented immediate price increases. At this time we cannot guarantee all items will be available in stock. If you have a large job coming up make sure to order early so that we can still provide you with the materials needed to complete your jobs. Please allow additional time for your order to arrive, thank you for your patience in this matter.
Sale! BOSS 812 Fire Block Foam
BOSS ProductsFire Block Foam Application


Conspec Family Business BadgeConspec Warranty BadgeFire Block Foam


$16.95 $9.95

BOSS – 812 Fire Block Foam

BOSS – 812 Fire Block Foam prevents the spread of smoke and toxic gasses from one compartment to another, thereby slowing down the spread of fire, due to lack of air to fuel the flames. BOSS® 812 has excellent insulation and acoustic properties and is also paintable (after inspection). BOSS® 812 has been tested to ASTM E-84 and UL 723.

• Will adhere to almost any substrate
• Can be used to seal around copper, PVC pipes conduits and large spaces left after the installation of waste pipes, ducting, etc.
• Prevents the spread of smoke and toxic gasses
• Installed in seconds, reducing labor cost by up to 90%
• Ideal for single and two family homes
• Paintable (after inspection)
• Specialized 360° Dispensing Can
• Excellent acoustic and thermal insulation
• Unaffected by moisture or humidity after curing
• CFC Free
• Very cost effective
• Reduces energy costs
• Prevents intrusion of insects and pests

Weight 48 oz
Dimensions 2.5 x 2.5 x 8 in
Product Type


Product Color


Product Size


Call Now Button