Great Stuff Insulation/Expanding Foam Pond & Stone Gap Filler - 6 Pack

This closed-cell, black-colored polyurethane foam works on projects such as retaining walls, water features and landscaping.

With an 8 hour curing time, this sealant can last for years in damp conditions and is safe for ornamental fish and plants.

Bonds to porous and nonporous rocks and stones without the use of mortar and creates a water-shedding bond.

Use For

Water Features & Landscaping

Outdoors

Multipurpose

Multipurpose

Doors & Windows

Foam Color

Black

Grey

Cream

Cream

Yellow

UL Classified











Expansion Size

1"

1"

1"

3"

1"

• POND & STONE GAP FILLER. This black colored closed-cell polyurethane foam sealant bonds to porous and nonporous rocks or stones without the use of mortar. Expanding up to 1", create a long-lasting, airtight and water-resistant seal for outdoor projects.
• DISPENSE SMARTER. Securely thread the Reusable Smart Dispenser and leave attached to the can to seal projects for up to 30-days. Insulating foam stops as you stop for clean, easy, no-drip dispensing and increased precision with more control.
• SPRAY ANYWHERE. Specifically designed to blend in and withstand moist conditions, use on retaining walls, water features, landscaping and more. Bonds without mortar and can be applied to damp and dry surfaces. Lasts for years in wet conditions.
• NATURAL LANDSCAPING. Designed to blend with stones and shadows, this black-colored, waterproof expanding foam helps direct water over, not under, rocks. Create a water-shedding bond safe for ornamental fish and plants.
• SAMEDAY RESULTS. Get your projects done right the first time with expanding foam from GREAT STUFF. Cures in 8 hours. Mist with water to speed cure. Trim, sand, stain and paint for a truly GREAT finish to your DIY projects.