DuPont Great Stuff™ Pestblock Insulating Foam Sealant (12 Oz)
PESTBLOCK
Effective and easy to use, Great Stuff™ Pestblock Insulating Foam Sealant blocks insects and pests from entering the home by sealing gaps, cracks and holes while improving energy efficiency all around the home.
Product Details
Great Stuff™ Pestblock Insulating Foam Sealant is a ready-to-use foam sealant that expands up to 1 inch to take the shape of gaps, creating a long-lasting, airtight and water-resistant seal that blocks out spiders, ants, cockroaches, mice and more from entering the home without the use of pesticides.
Features and Benefits
- 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
