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Currently shipping only within Vancouver/Lower Mainland/Fraser Valley
Currently shipping only within Vancouver/Lower Mainland/Fraser Valley

Spray Foam - Big Gap Filler

Original price $8.41 Original price $16.86
Original price
$8.41
$8.41 $16.86
Current price $8.41

BIG GAP FILLER

Big gaps call for big seals. GREAT STUFF Big Gap Filler Insulating Foam Sealant fills, seals and insulates larger gaps, providing a water-resistant barrier to help minimize unwanted airflow and improve energy efficiency in high-loss areas.

GREAT STUFF Big Gap Filler Insulating Foam Sealant is an expanding foam sealant that fills, seals and insulates gaps up to 3 inches. This ready-to-use sealant is specially formulated to take on common areas of energy loss such as rim joists/sill plates, plumbing, HVAC, and other larger penetrations

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Features and Benefits

  • Expands to fill, seal, and insulate gaps up to 3 inches (76mm)
  • Forms a long-lasting, airtight, weather-resistant seal
  • Adheres to wood, metal, masonry, glass and most plastics
  • All-direction dispensing.
  • Interior/exterior use1
  • Tack-free in 5-15 minutes2; trimmable in one hour
  • Paintable, stainable and sandable
  • Cream-colored foam for easy identification
  • UL classified
  • Available in 12, 16 and 20-oz. cans


1 Skin of cured foam can discolor if exposed to natural light. Paint or coat foam for the best results. 

2 70 ± 5°F and 50 ± 5 % RH, 1-inch bead diameter, 6-inch length. The cure rate is dependent on temperature, humidity, and size of the foam bead.