Fortafix Flex-Seal All-in-One High Temperature RTV Silicone, Adhesive & Sealant - Resistant to 300°C, Waterproof, UK Made - For Kitchens, Stoves, White Goods, Vehicles, Vents, Fixings (Black, 1x300ml)

• ALL-IN-ONE PERFORMANCE: A single product for multiple jobs, Flex-Seal is a high-strength adhesive and durable sealant in one. Ideal for sealing, bonding, fixing and filling across metal, ceramic, glass, plastic and more. One tube. Limitless uses.
• HEAT RESISTANT TO 300°C: Built for extreme conditions, Flex-Seal withstands continuous high temperatures - ideal for ovens, log burners, BBQs, automotive gaskets, and any surface exposed to intense heat.
• WATERPROOF & WEATHERPROOF: Creates a flexible, watertight seal that blocks moisture, steam, and the elements. Suitable for indoor and outdoor use, with added resistance to oils, greases, and petrol.
• FLEXIBLE, STRONG & CRACK-RESISTANT: Formulated to stay strong under pressure. Won’t crack, shrink, or separate with heat or vibration. Ideal for surfaces that expand and contract - perfect for high-movement environments.
• USE ANYWHERE: HOME, GARAGE, WORKSHOP & GARDEN: From ovens to engine bays, from cooker hoods to exhausts - use it on appliances, vehicles, outdoor equipment and more. Trusted by DIYers and professionals alike for jobs that demand results.

Fortafix Flex-Seal is the all-in-one RTV silicone adhesive and sealant that delivers high-performance bonding and sealing – wherever you need it! Withstanding continuous heat up to 300°C and forming a waterproof, flexible seal, it’s made to handle extreme temperatures, movement, moisture, and vibration without cracking or shrinking. Flex-Seal bonds and seals a wide range of materials including metal, glass, ceramic, plastic, wood, concrete, and more – making it incredibly versatile across the home, garage, workshop, and garden. Use it to seal hobs to worktops, secure log burner rope, repair cooker hoods, or reseal BBQs, pizza ovens, and boilers. It’s ideal for fixing dishwashers, tumble dryers, and washing machines, and for repairing small appliances like toasters, irons, and hairdryers. You can even use it to seal indoor and outdoor fixtures. In the garage, it’s trusted for gaskets and other high-temperature automotive parts. Whether you're sealing, bonding, filling or fixing, Flex-Seal gets the job done – reliably, every time.