Description
Geocel High Temperature Silicone Sealant 300ml – Black
Engineered for demanding heat-exposed applications, Geocel High Temperature Silicone Sealant provides a tough, permanently flexible seal capable of withstanding continuous temperatures up to 250°C and peak intermittent exposures up to 300°C. Whether you are installing a wood-burning stove, sealing flue pipes, or maintaining Aga range cookers, this professional-grade formula ensures airtight, smoke-tight reliability.
🌟 Key Features & Benefits:
- Superior Thermal Endurance: Designed specifically for high-temperature environments, resisting thermal degradation and cracking.
- Non-Slump Formulation: Excellent body and tooling properties allow for clean, effortless application in vertical and overhead joints.
- Permanently Flexible: Absorbs vibrations and accommodates cyclical thermal expansion and contraction between dissimilar materials.
- Versatile Substrate Adhesion: Bonds securely to clean metals, cast iron, glass, glazed ceramics, enamel, and non-porous surfaces.
- Solvent-Free: Low-shrinkage, ready-to-use one-part formulation for standard 300ml cartridge sealant guns.
🎯 Recommended Applications:
- Wood-burning stoves and multi-fuel stove flues
- Gas flues, boiler pipes, and heating appliances
- Aga, Rayburn, and domestic range cooker surrounds
- Oven door glass and high-temperature metal ductwork
- Exhaust flues and industrial heat ventilation joints
📋 Technical Specifications:
- Brand: Geocel
- Manufacturer Code: 8010255/C04
- Barcode / EAN: 5033383000072
- Colour: Black
- Cartridge Size: 300ml
- Temperature Range: -40°C to +250°C continuous (up to +300°C intermittent)
- Skin Time: ~20 minutes
- Cure Rate: ~3mm per 24 hours
Available now at Hardware Heaven Kildare, Crookstown Retail Park, Ballitore, Co. Kildare. Call 059 862 3814 or order online at hardwareheaven.ie.




