Great Stuff Pro™ Pestblock

Great Stuff Pro™ Pestblock Polyurethane Foam Sealant is a gun-applied, insulating foam sealant that expands up to 3 inches to take the shape of gaps, creating a long-lasting, airtight and water-resistant seals that block spiders, ants, cockroaches mice, and more from entering the home without the use of pesticides.

• Reusable for 30 days when left attached to GREAT STUFF PRO™ Dispensing Gun
• Blocks critters, bugs and other pests from your home
• Pesticide-free
• Won’t harm bees
• Expands to fills, seals, and insulates gaps up to 3 inches (76mm)
• Forms a long-lasting, airtight, weather-resistant seal (GS-123)
• Adheres to wood, metal, masonry, glass and most plastics
• Precise application with no mess
• Interior/exterior use¹
• Tack-free in 6 minutes²; trimmable in one hour
• Paintable, stainable and sandable
• Grey-colored foam for easy identification (GS-120)
• UL Classified
• CCMC 13074-L

 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.