BOSS - 02455BR10 - 333 Triple Expanding Foam, 24 oz.

Item: BOSS33324
MFG: 02455BR10
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Boss® 333 Is A Ready-To-Use, Multi-Purpose, Polyurethane Foam That Expands To Three Times Its original Volume On Contact with Air. The Expanding Action Fills Holes, Cracks and Gaps More Completely Than Standard Caulks. Has Excellent Insulating Properties and Superb Adhesion To Virtually All Building Materials.


  • Air Sealing Partition Walls with Ceilings
  • Through Penetrations Around Cables and Pipes
  • Seams Between Chimneys, Roof Protection, Roof Panels and Wall Panels


  • Meets Ca-25-4UL Classified, Tested To Astm E-84
  • Triple Expanding Weatherproofs Against Wind and Moisture
  • Fills Gaps, Cracks and Holes
  • Seals Out Insects and Pests
  • Can Be Sanded, Painted and Stained
  • Complies with Epa Method 24 and Californiaair Resource Board Method 310Voc Compliant

California residents: see Proposition 65 Warning

Features and Specification

Weight 1.830000
Length 2.500000
Package Height 11.141700
Shelf Life 1 Year from the date of shipment
Service Temperature -40°F to 200°F (-40°C to 93.3°C)
Includes Straw
Ratings Flame Spread - 15; Smoke Developed - 35
Package Width 11.023600
Package Weight 21.960000
Package Length 7.874000
Width 2.500000
UV Resistant No
Viscosity Not Provided
UL Recognized No
UL Listed Yes
Solids Content Not Provided
Size 24 Ounce
UPC 787930333247
Solvent No
Standards CA-25-4, EPA Method 24, CARB Method 310
Storage Temperature >90°F (32.2°C)
Temperature Range -40°F to 200°F (-40°C to 93.3°C)
Tensile Strength Not Provided
Coverage 41.6 Liters Freely Foamed
Color White
Dimensional Weight 6.000000
Cubic Measurement 0.040200
Composition Polyurethane Foam
Comments/Notes Can Contribute Credits
EAN 0787930333247
Brand BOSS®
Base Polyurethane foam
Application Fills Holes, Gaps, And Cracks More Completely Than Standard Caulk. Has Excellent Insulating Properties And Superb Adhesion To Virtually All Building Materials.
Dry Time 24 Hours
Application Temperature 40°F to 115°F (4.4°C to 46.1°C)
Height 11.125000
Functions Filling Voids
For Use With With building materials for weatherproofing
Flash Point -21°C
Fire Rating ASTM E-84-04 UL 723 Fire Testing. Flame Spread-10, Smoke Developed-30


picture_as_pdf msds sheet

picture_as_pdf specification sheet