BLACK Fortafix HT Flexseal Silicone - 300ml Cartridge (93-HTFS-B)
At a Glance
- Withstands temperatures up to 300°C
Flexible, high-performance silicone formula
300ml cartridge for extended use
Ideal for sealing fireplaces, stoves, and flue joints
Trusted Fortafix brand quality
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, June 30th. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. 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.
We Won't Be Beaten On Price
At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:
- Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
- Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
- Operational Efficiency: We have streamlined processes to reduce overhead.
Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.
Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).
“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.
Have Questions?
Phone: 01670 206999
Email: [email protected]
- Info
- Specs
- Install
- FAQs
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
| Technical Specifications | |
|---|---|
| Cartridge Volume | 300ml |
| Temperature Resistance | Up to 300u00b0C |
| Application | Fireplaces, Stoves, Flue Systems |
| Packaging | Cartridge |
| Brand | Fortafix |
| SKU | 93-HTFS-B |
| Price | u00a35.49 |
| Retail Price | u00a39.49 |
| Colour | Black |
| Sealant Type | High-Temperature Flexseal Silicone |
