Kraken Bond Gaps & Cracks Expanding Foam Sealant - 2x12oz High-Expansion Polyurethane for Windows & Doors

Overview

Kraken Bond Gaps & Cracks Expanding Foam Sealant comes in a convenient 2x12 oz pack. This single-component, moisture-curing polyurethane foam is optimized for easy dispensing through the included straw adapter, delivering a controlled, self-expanding fill that adapts to irregular gaps. The formulation aims to create a durable seal around openings, helping homes feel more comfortable while remaining flexible across a range of conditions.

Key benefits

• UL certified for safety and high-performance reliability.
• One-component, moisture-curing foam that expands on contact to fill gaps.
• Includes a straw adapter for precise application in tight spots.
• Waterproof high-yield expansion designed to seal windows, doors, and penetrations effectively.
• Safe and coordinated with Kraken Bond Foam Cleaner (sold separately) for cleanup.

Temperature and application guidance

For best results, ensure the can reaches 68°F (20°C) before use. The product performs within a broad range of 41°F to 86°F, offering flexibility for different climates. In colder weather, let the can acclimate to room temperature to maintain consistent expansion and cure quality.

• Optimal performance at about 68°F (20°C).
• Operational range from 41°F to 86°F to accommodate various conditions.
• Cold climates benefit from pre-warming the can to preserve product quality.

Versatile uses

Designed to tackle multiple sealing tasks around a home or workspace, Kraken Bond is well-suited for filling:

• Window and door frames
• Large gaps and joints
• Cavities, electrical outlets, and wall penetrations
• Water pipes and other penetrations where a tough, reliable seal is helpful

In practice, you may notice the foam expanding to contact surfaces, creating a snug barrier in awkward nooks. The 2-pack format supports larger projects or multiple openings without swapping cans mid-task.

Safety and cleanup

Wear protective gloves, safety glasses, and appropriate clothing during application. After use, Kraken Bond Foam Cleaner is recommended for residue removal when needed, helping you keep tools and surrounding areas clean and ready for next steps.