Achieve exceptional sealing and insulation results for your home improvement projects with the PRO Window & Door Gap Filler. This moisture-curing, single-component polyurethane foam is specially formulated for use with a foam gun, delivering excellent adhesion along with superior thermal and sound insulation. Offering coverage of up to 12 gallons, it’s the perfect solution for sealing and insulating window gaps and door frames. Suitable for both DIY users and professionals, this low-expansion foam is environmentally friendly, free from harmful propellants, and UL 723 certified for uncompromising safety and performance.

Properties

Exceptional Bonding Power: Creates a strong, secure hold while filling gaps and cracks efficiently.
Premium Insulation: Delivers outstanding thermal and acoustic insulation to help improve energy efficiency and indoor comfort.
Low Expansion Formula: Specifically engineered for window and door applications, preventing over-expansion and ensuring a perfect fit.
Moisture & Mold Protection: Once fully cured, the foam resists mold growth and blocks water penetration, safeguarding your installations.
Customizable Finish: Can be painted over after curing for a smooth, integrated appearance.

Application Areas

Window & Door Frames: Ensures a lasting, airtight seal for enhanced durability and energy savings.
Gaps & Joints: Ideal for sealing various openings, joints, and voids.
Wall Penetrations: Fills and insulates penetrations in walls, improving air tightness.
Electrical & Plumbing: Protects and insulates outlets, wiring, and pipes from temperature changes and external elements.

Directions for Use

Safety First: Wear gloves and protective clothing, and ensure good ventilation. Avoid inhaling vapors.
Surface Preparation: Clean and dry surfaces, removing dust, grease, and debris. Lightly mist with water to enhance adhesion.
Product Preparation: Store the can at approximately 68°F before use. Shake thoroughly before attaching to the foam gun.
Application: Mount the can onto the gun, hold upside down, and press the trigger to release the foam. Begin at the bottom of vertical gaps, working upwards, and do not overfill.
Cleanup: Use Kraken Foam Cleaner for fresh, uncured foam. For cured foam, mechanical removal is required.
Finishing: Once hardened, the foam can be trimmed, shaped, sanded, and painted for a clean, polished look and UV protection.

Specs

Packaging: 24 oz / 32 oz
Tack-Free Time: 7 ± 3 minutes
Full Cure: 24 hours
Shelf Life: 15 months (unopened, stored correctly)
Storage Conditions: Keep in a cool, dry location away from direct sunlight and ignition sources. Do not expose to temperatures over 122°F.

Additional Benefits

Ensures perfect adhesion and filling for a professional-quality seal.
Improves thermal and acoustic performance, creating a more comfortable and peaceful indoor environment.
Maintains shape without bowing, ensuring both structural integrity and visual appeal.
Designed for precision application with minimal waste.
Easily shaped and painted after curing for a custom finish.
Suitable for basement sealing to create a tight thermal barrier.
Effective for attic insulation, reducing heat loss and stabilizing temperatures year-round.
Protects outdoor faucets from leaks and frost damage, offering reliable insulation in any climate.

Properties

Application Areas

Directions for Use

Specs

Additional Benefits

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