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BLACK Fortafix HT Flexseal Silicone - 300ml Cartridge

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The BLACK Fortafix HT Flexseal Silicone is a high-quality, flexible sealant that can endure temperatures up to 300°C. This 300ml cartridge is perfect for sealing and protecting high-temperature areas.

£9.99 incl VAT

  •   Description  
  •   Product Details  

The BLACK Fortafix HT Flexseal Silicone in a 300ml cartridge is a premium, flexible, high-temperature sealant designed for rigorous industrial and residential applications. Formulated to withstand temperatures up to an impressive 300°C, this silicone-based sealant is perfect for sealing joints, gaps, and seams in high-heat environments such as fireplaces, stoves, and flue systems. The 300ml cartridge ensures ample material for multiple uses, making it an indispensable product for professionals and DIY enthusiasts alike.

  • SKU: 93-HTFS-B
  • Item: BLACK Fortafix HT Flexseal Silicone - 300ml Cartridge

What is it for?

The BLACK Fortafix HT Flexseal Silicone is specifically designed for sealing high-temperature joints and seams in fireplaces, stoves, and flue systems.

Brand Summary

Fortafix is a trusted brand known for producing high-quality sealants and adhesives designed to meet the rigorous demands of high-temperature applications. Their products are widely respected for their reliability and performance.

National Flues Verdict

The BLACK Fortafix HT Flexseal Silicone is a top-tier sealant that delivers excellent performance even in high-temperature conditions. With nationwide delivery and support for both retail and trade customers, National Flues ensures you receive the best at unbeatable prices.

Our Rating
9.8/10

FAQs

This silicone sealant is ideal for sealing joints, gaps, and seams in high-temperature areas such as fireplaces, stoves, and flue systems.

While the BLACK Fortafix HT Flexseal Silicone can endure temperatures up to 300°C, it is not recommended for direct flame exposure.

The full curing time typically ranges from 24 to 48 hours, depending on the thickness of the application and ambient conditions.

Yes, it is weather-resistant and can be used for both indoor and outdoor high-temperature sealing applications.

Store the unopened cartridge in a cool, dry place. Once opened, ensure the nozzle is sealed tightly to prevent the unused portion from curing.

A standard caulking gun is required to apply the sealant from the 300ml cartridge effectively.

It is recommended to avoid using the BLACK Fortafix HT Flexseal Silicone in food preparation areas due to its chemical composition, though it's generally non-toxic once fully cured.