10m of High Performance Butyl Sealant Rubber Tape Strip 3x4mm This high performance butyl sealing tape has a wide range of uses where sealing joints against air and water. This product is cost effective, non-toxic, solvent free formulation & requires no tools to apply. It is used in various market applications including: Roofing & Cladding, Heating & Ventilation and Automotive. Provides a weather tight seal for use with coated steel, aluminium and fibre cement roofing and cladding systems in side and end lap applications. · For sealing side and end laps on GRP & Polycarbonate roof lights. · For sealing perimeter flashing's. · For sealing steel gutter joints. · This product is great at sealing vents and air inlets. It can also seal ducting flanges & silencer flanges to stop the ingress of moisture and dust. · Sealing bolt on panels, headlights & sun roofs. · Sealing between glazing & framework in greenhouses. · All surfaces should be clean, dry and free from frost, grease & loose material before application. · Colour: Black