Strong flexible aluminium foil tape on silicon paper liner for use on most surfaces aggressive acrylic based adhesive flame retardant and excellent temperature performance use for jointing insulation panels sealing off air conditioning and coolwarm air flow ducting sealing joints in ducting providing a flame retardant vapour proof barrier also ideal for general repairs to gutters downpipes ducting and other surfaces uv resistant and waterproof temperature range from 20 to 100