GREAT STUFF™ Pestblock
Specially formulated with a bitter ingredient, GREAT STUFF™ Pestblock is a polyurethane-based insulating foam sealant that blocks insects and pests from entering the home by filling, sealing and insulating gaps, cracks and holes up to 1" (25mm).
- Blocks entry of pests, such as spiders, ants, bees, and mice, which can damage the house and its contents
- Contains no pesticides
- Forms a long-lasting, airtight and water-resistant barrier
- Reduces the need to reapply pesticides
- Helps improve the home's energy efficiency by sealing gaps and cracks
- Interior or exterior use
- Tack-free in 10-15 minutes
- Bonds with most building materials and surfaces
- Paintable, stainable and sandable
- UL Classified
- One 12 oz. can = up to 19 tubes of caulk
- One 16 oz. can = up to 24 tubes of caulk
Why Use Pestblock?
- To keep pests out
- To conserve energy
- To save money
Product Specs:
- GREAT STUFF™ Pestblock 12oz
- GREAT STUFF™ Pestblock 16oz
Safety & Handling
- Remember to read these carefully before getting started.


