GREAT STUFF™ Pond & Stone Insulating Foam Sealant is a ready-to-use, closed-cell polyurethane foam that bonds to porous and nonporous rocks or stones without the use of mortar. Specifically designed to blend in and withstand moist conditions, GREAT STUFF™ Pond & Stone can be used on a variety of projects such as retaining walls, water features and landscaping
Features
• Black-colored foam blends in with stones and shadows
• Bonds without mortar (GS-124)
• Helps direct water over, not under, rocks (GS-125)
• Creates a water-shedding bond
• Safe for ornamental fish and plants (GS-126)
• Lasts for years in wet conditions (GS-127)
• All-direction dispensing
• Can be applied to damp and dry surfaces (GS-128)
• Cures in 8 hours
• Is UL Classified (GS-129)