Black polyurethane foam adheres rocks to liners and creates stunning waterfalls like a pro for a fraction of the cost. Dries tack-free in less than 10 minutes and typically cures within one hour. Fire-rated OK for electrical. Handi-Foam is ideal for small projects and applied with a one-piece straw applicator. For large or multiple jobs, use polymer Handi-Gun's unique, patented trigger and barrel dispenser. Pro Handi-Gun Kit offers professional reliability and the durability of steel. Teflon coated basket and parts will not corrode or degrade. Use multipurpose Polyurethane Cleaner to dissolve excess uncured foam and adhesive for easy cleanup. (Not for use with the plastic Handi-Gun.) Foam color may change as it dries.Both kits (Polymer and Professional) include the appropriate gun and 31 oz foam. Please note: These items are shipped by standard ground service only. We apologize for any inconvenience.

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