DuPont Great Stuff™ Pestblock Insulating Foam Sealant

• Blocks critters, bugs and other pests from your home
• Pesticide-free
• Won’t harm bees
• Expands to fill, seal, and insulate gaps up to 1 inch (25mm)
• Forms a long-lasting, airtight, weather-resistant seal
• Adheres to wood, metal, masonry, glass and most plastics
• Interior/exterior use¹
• Tack-free in 5-15 minutes²; trimmable in one hour
• Paintable, stainable and sandable
• Grey-colored foam for easy identification
• 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. 

Uses

Great Stuff™ and Great Stuff Pro™ products can be used in a variety of interior and exterior applications, most commonly in air sealing and home retrofit applications.

Where to use Great Stuff™ Big Gap Filler

• Exterior openings
  
• Hard to reach spaces
• Rim joist
• Pipe penetrations

Where to use Great Stuff™ Fireblock

• Pipe penetrations
• Exterior of electrical outlets
• Exterior of electrical penetrations
• Pipe penetrations
• Bathroom fans
• HVAC penetrations

Where to use Great Stuff™ Gaps & Cracks

• Rim joists
• Attic penetrations
• Dryer vents
• Pipe penetrations
• Sill plates
• Exterior of electrical outlets

Where to use Great Stuff™ Multipurpose Black

• Exterior of Electrical lines
• HVAC penetrations
• Small gaps and cracks in the attic or garage
• Air conditioning lines, refrigerant lines, gas lines – service penetrations
• Repair of masonry walls, sidewalks, and porches
• Outdoor landscaping applications
• RV and vehicle undercarriages3
• Trailer/transportation repairs3
• Marine sealing applications*

*Note: Great Stuff™ Insulating Foam Sealants are not for use in aviation, or food/beverage contact, or as structural support in marine applications.

Where to use Great Stuff™ Pestblock

• PVC Pipe Penetration
• Exterior of electrical cable lines
• Water faucet penetration
• Attic hatch frame
• Rim joists
• Sill plates

Where to use Great Stuff™ Pond & Stone

• Cap stones in retaining walls
• Cracks and holes in trees
• Rocks with direct water flow, such as waterfalls

Where to use Great Stuff™ Window & Door

• Doors and their rough openings
• Windows and their rough openings

Where to use Great Stuff Pro™ Gaps & Cracks

• Electrical wire penetrations
• Gas line penetrations
• Plumping and pipe penetrations

Where to use Great Stuff Pro™ Pestblock

• Under baseboards and attic hatch frames
• Hose bibs
• Dryer vents
• PVC pipe penetrations
• Plumbing penetrations

Where to use Great Stuff Pro™ Wall & Floor

• Bonding Plywood and OSB subflooring to wood joists
• Bonding foam panels, drywall, OSB and plywood to wood framing
• Bonding masonry, tile and concrete substrates to OSB, plywood, foam panels and drywall

Where to use Great Stuff Pro™ Window & Door

• Windows and their rough openings
• Doors and their rough openings