Pestblock Foam


Block insects and pests without pesticides. Great Stuff™ Pestblock Insulating Foam Sealant seals gaps, cracks, and holes to keep spiders, ants, cockroaches, mice, and other bugs from entering your home.


  • Expands to fills, seals, and insulates gaps up to 3 inches (76mm)
  • Reusable for 30 days when left attached to GREAT STUFF PRO™ Dispensing Gun
  • Controls critters, bugs, rats, and other pests from your home
  • Grey-colored spray foam sealant
  • Blocks critters, bugs and other pests from your home
  • Smart Dispenser™ provides precision, control, reusability
  • Expands to fill, seal, and insulate gaps up to 1 inch (25mm)
  • Grey-colored foam