Description
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.
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