Thompson's Roof and Gutter Sealant Thompson's Roof and Gutter Sealant
Thompson's  10 Year Roof Seal Thompson's Patch Repair Roof Seal Thompson's One Coat Roof Seal

Product Information

Thompson's Roof & Gutter Sealant is a high performance sealant, which forms a long lasting, weatherproof and highly flexible seal on virtually any roof and gutter material. Its butyl rubber formula is designed to provide greater flexibility over time than common bitumen sealant's to resist cracking and splitting. Thompson's Roof & Gutter Sealant can be applied to damp or dry surfaces and is suitable for use on metal, plastic, wooden and painted guttering /down pipes. It can also be used on roofing felt, tiles and slates as well as between brickwork and flashing.


Suitable for use on a variety of roof and gutter materials, Plastic, metal, wood, tiles. brick, slate, roofing felt and flashings


11 metres using a 6mm bead of sealant.


Effective immediately





310 ml



Medium VOC


Suitable for using over existing roof coatings


For maximum weatherproofing performance ensure surfaces are clean and free from dirt, dust, loose materials, algae or fungal growth. Dry area as much as possible to help adhesion in wet conditions. Avoid application under water. Very deep gaps should be packed prior to application.


Cut the tip of the cartridge above the screw head. Screw the nozzle onto the cartridge. Cut end of nozzle at 45 angle to a width matching the gap to be sealed. Fit cartridge into a standard sealant cartridge gun. Apply slowly and evenly at an angle to the repair ensuring that contact is made with both sides of the gap. When joining gutters or panels apply to one surface, then press sections together ensuring a minimum 3mm of sealant is exposed. Smooth applied sealant with a round-ended spatula wetted with a soap solution to ensure good contact and a strong bond. NOTE: Product may remain tacky for considerable time after application, therefore physical contact should be avoided.