BOSS - 04336RD10 - 812-20 Fire Block Foam Gun Grade 24oz.

Item: BOSS81220
MFG: 04336RD10
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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 and conduits. In addition to large spaces left after the installation of waste water pipes, ducting etc.
  • Prevents the spread of smoke and toxic gasses
  • Installed in seconds, reducing labor costs by up to 90%
  • Ideal for single and two family homes
  • Paintable (after inspection)
  • Can be used on vertical or horizontal applications
  • 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

California residents: see Proposition 65 Warning

Features and Specification

Weight 1.800000
Package Length 11.100000
Package Height 11.460000
Package Weight 22.000000
Package Width 8.350000
Ratings Residential Type VB construction, Commercial non-rated construction
Service Temperature -40°F to 194°F (-40°C to 90°C)
Shelf Life 18 Months
Length 2.560000
Viscosity Not Rated
UPC 787930812209
UL Recognized Yes
UL Listed Yes
Type Foam
Width 2.560000
Size 24 Ounces
Solvent No
Solids Content Polymeric diphenylmethane diisocyanate
UV Resistant No
Standards ASTM E84, NFPA 255 Class A, UL 723 and 1715, ASTM E814 (Modified)
Storage Temperature 41°F to 77°F (5°C to 25°C)
Temperature Range -40°F to 194°F (-40°C to 90°C)
Tensile Strength Not Rated
Cubic Measurement 0.042600
Color Red
Dimensional Weight 6.000000
Coverage 4315 linear ft. (1/4" bead)
Composition Polyurethane
EAN 0787930812209
Brand BOSS®
Base Polymeric diphenylmethane disocyanate
Application To prevent the spread of smoke and toxic gasses.
Dry Time 7 - 30 Minutes
Application Temperature 41°F to 95°F (5°C to 35°C)
Height 11.220000
Functions To prevent the spread of smoke and toxic gasses.
For Use With Seal around plumbing, prevent spread of smoke and toxic gases, thermal insulation, acustical dampening
Flash Point Undetermined
Fire Rating Class A


picture_as_pdf msds sheet alt

picture_as_pdf safety data sheet

picture_as_pdf specification sheet