Cromar AlphaChem Roof & Gutter Sealant is a gun-applied, rubberised, oil-based sealant intended for sealing joints in gutters, roofing sheets, and other similar applications.

• Weatherproof and waterproof sealing
• Semi-drying
• Specifically developed for repairing leaking gutters, downpipes, and flashing
• Also suitable for bedding roofing sheets and felts