Butyl Rubber Sealant, 10.3 oz., Grey

Boss 368 Butyl Rubber Sealant Is A One Component Skinning Product For Sealing Standing Seam Roofs and Side Walls. Provides Excellent Adhesion To Metal, Asphalt, Wood and Masonry Substrates.

Uses:

• Seals Standing Seam Roofs
• Seals Side Walls
• Seals Gutters and Downspouts
• Filling and Caulking Joints In Heating and Air Conditioning Ducts
• Excellent Sealant For Sealing Joints In Sheet Metal
• Compatible with and Suitable For Use On Polyurethane Foam and Extruded Polystyrene