Flame Buster® Intumescent Latex


Water Clean-Up

White Lightning® FlameBuster™ Intumescent Latex Sealant is a one part, elastomeric, intumescent sealant that expands when exposed to fire or extreme heat, forming an insulated char. Flamebuster Intumescent Latex will prevent the spread of toxic gases, smoke and fire. It is suitable for adhesion to almost any surface and remains flexible, making it ideal for both horizontal and vertical joints, subject to vibration or dynamic movement. Flamebuster Intumescent Latex can be used for interior or exterior applications, and can be painted (after inspection).

ducts, pipes, vents, wires


  • Interior/exterior use
  • Remains flexible
  • Safe to handle
  • VOC compliant
  • Water clean-up
  • Expands to 5 times original volume (at 600°F)


Meets ASTM E-814 (UL 1479) and meets the criteria for fire/smoke/draft stop for BOCA - CABO - UBC - SBCCI – IRC

SKU Listing
Product # Color Size Material Safety Sheet UPC
WL8801007 Red 10.0 fl. oz. Download 023275850156
WL8801008 Red 20 fl. oz. Download 023275851689
WL8801009 Red 5 Gallon 023275851719
Product #1
Product # WL8801007
Color Red
Size 10.0 fl. oz.
Material Safety Sheet Download
UPC 023275850156
Product #2
Product # WL8801008
Color Red
Size 20 fl. oz.
Material Safety Sheet Download
UPC 023275851689
Product #3
Product # WL8801009
Color Red
Size 5 Gallon
Material Safety Sheet
UPC 023275851719