Great Stuff™ Extreme Sealant – Clear – 14 oz – Aerosol Clear 1-Pack
The only premium flexible rubber sealant built with Kevlar. Protects against rust, corrosion and rot. The only rubber sealant approved for use on top of Great Stuff foam insulation. Common applications include gutters & downspouts, skylights & windows, roofing, chimney & flashing, foundation weatherizing, awnings, rust protection, truck beds, campers, undercarriage, and more.