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The GREY Fortafix HT Flexseal Silicone - 300ml Cartridge is the ultimate high-temperature sealant designed for sealing, bonding, and repairing applications in harsh environments. Ideal for both industrial and domestic usage, this versatile silicone sealant from Fortafix stands out among high-performance sealing solutions in the UK. Its superior resistance to temperatures up to 300°C and quick curing properties make it a trusted choice when sealing fireplaces, ovens, and kitchens. Whether you refer to it as high-heat silicone adhesive or thermal sealant, its reliability is unmatched.
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In Stock
£14.49
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
High-temperature resistance up to 300°C
Fast-curing, resilient and flexible bond
Suitable for a range of surfaces including metal, glass, and ceramics
Ideal for high-heat applications such as fireplaces, ovens, and kitchen installations
Generous 310ml cartridge provides extended usage
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The GREY Fortafix HT Flexseal Silicone - 300ml Cartridge is a versatile, high-performance sealant designed to withstand temperatures up to 300°C. This flexible silicone-based sealant is essential for sealing and bonding applications in high-heat environments. With a generous 310ml tube, it ensures you have enough product for your projects.
It cures quickly to form a resilient, yet flexible bond, making it ideal for a variety of applications, including fireplaces and kitchen installations.
Approximately 24 hours for full cure (varies with temperature and humidity)
Application Surfaces
Metal, glass, ceramics, and various construction materials
Sealant Colour When Cured
Grey
Packaging
Cartridge
Before application, ensure the surface is clean, dry, and free of dust or grease. Apply the sealant evenly using a suitable applicator, ensuring thorough coverage at the joint or gap. For best results, allow the product to cure undisturbed for at least 24 hours. Always follow best practices for high-temperature sealing and ensure proper ventilation during application. Avoid using on surfaces that may not bond properly with silicone. Caution should be taken around sensitive materials where the adhesive properties might be too strong. Read all instructions provided on the cartridge and wear appropriate personal protective equipment during the application process.
This sealant can be applied to a variety of surfaces, including metal, glass, and various construction materials, making it highly versatile.
The curing time can vary based on the temperature and humidity, but generally, it takes around 24 hours for a full cure.
Yes, once cured, the silicone sealant is waterproof and can withstand conditions of high moisture and humidity.
Yes, due to its high-temperature resistance, it is suitable for use in kitchens, including around ovens and stovetops.
While applying, it may have a slight odour, but it dissipates quickly as it cures.
The sealant cures to a grey colour, which complements many industrial and domestic applications.
Absolutely! It's user-friendly and can be effectively used by both professionals and DIY enthusiasts.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Wednesday, April 30th.
If you need faster stove or fireplace delivery please give us a call.
We can often reduce longer lead times if we pay the carrier £25 for express delivery.
Visit our Shipping Information page for more information.
Warranty & Returns +
All our products come with warranties. Mi-Flex offers a lifetime guarantee.
Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.
Price Match Guarantee +
We will match any price like for like on a retail basis. Give us a call if you find it cheaper and want to buy from us.
The GREY Fortafix HT Flexseal Silicone - 300ml Cartridge is a leading solution in the realm of high-temperature sealing. Specifically engineered to withstand conditions up to 300°C, this superior silicone sealant is perfect for use in both residential and industrial environments. Whether you are a seasoned professional in the construction industry or a dedicated DIY enthusiast, this product promises exceptional durability and flexibility.
Key Benefits
High-Temperature Performance: One of the standout features of this sealant is its ability to perform under extreme thermal conditions. This characteristic is essential for applications in kitchens, fireplaces, and other areas where heat is a constant factor. Using a sealant that can reliably withstand high temperatures not only ensures safety but also provides peace of mind, knowing your installation will endure over time.
Fast and Efficient Curing: The GREY Fortafix HT Flexseal Silicone cures quickly, reducing downtime during installation. Its fast-curing nature means that you can complete projects more efficiently without compromising on the strength of the seal. This is particularly advantageous in commercial settings where time is of the essence.
Versatility Across Surfaces: This sealant can bond effectively to a wide range of surfaces, including metal, glass, and various construction materials. This versatility is ideal for complex projects where different materials need to be sealed uniformly. By selecting a product that meets diverse application needs, you streamline your inventory and ensure consistent results across installations.
How It Works
The formulation of the GREY Fortafix HT Flexseal Silicone is designed to offer both resilience and flexibility. Upon application, the sealant forms a robust, flexible bond that can absorb thermal expansion and contraction inherent in high-heat environments. The 310ml cartridge ensures you have ample material for multiple applications, making it a cost-effective choice for large projects.
Application Tips:
- Ensure that all surfaces are fully prepared, clean, and dry before application.
- Use a fine applicator or a professional caulking gun for even distribution.
- For best results, allow the product a full 24 hours to cure completely, particularly in areas exposed to high moisture or fluctuating temperatures.
Common Questions and Answers
Q: What surfaces can I apply this sealant to?
A: It adheres well to various surfaces including metal, glass, and several construction materials, making it incredibly versatile.
Q: Is the sealant waterproof once cured?
A: Yes, once the product has fully cured, it becomes waterproof, offering reliable protection against moisture and humidity.
Q: Can I use it for DIY projects?
A: Absolutely! Its user-friendly design makes it suitable for both professionals and DIY enthusiasts alike, providing an easy-to-use yet high-performance solution.
Installation and Safety Guidelines
For optimal performance and safety, always follow the installation guidelines provided. Protect your working area, wear suitable protective gear, and ensure proper ventilation during use. Avoid exposure to extreme conditions immediately after application to allow the sealant to achieve its full bond strength. If in doubt, contact a professional installer for guidance to ensure the best results.
Why Choose Fortafix?
Fortafix is renowned for its commitment to quality and reliability. The GREY Fortafix HT Flexseal Silicone is no exception, offering a blend of advanced formulation and user-friendly application. Backed by years of industry expertise, Fortafix ensures that every product delivers consistent performance in demanding conditions. This sealant not only meets but often exceeds industry standards, offering exceptional value at competitive prices.
Considering Optional Accessories
While this sealant is highly effective on its own, you may want to explore optional accessories that can complement your installation. Accessories such as professional caulking guns, surface cleaners, and additional sealing tools can further enhance your application process. Consider reviewing our complete range of tools and materials to ensure you have the perfect kit for every project.
Final Thoughts
In summary, the GREY Fortafix HT Flexseal Silicone - 300ml Cartridge is an indispensable tool for high-temperature sealing requirements. Its robust performance, versatility, and value make it a top choice for anyone looking to secure a durable, flexible bond in challenging environments. With clear installation guidelines and optional accessories available, Fortafix offers a comprehensive solution tailored to your needs.
Embrace the blend of technology and reliability that Fortafix represents and take the next step towards a secure, high-performance installation. Add to cart or call 01670 206 999.
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