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BLACK Heat Resistent Sealent - Envirograf - 1300°C (93-HTS-ENV-B)

Discover the unmatched performance of the BLACK Heat Resistant Sealant by Envirograf. Engineered to excel in high-temperature environments, this premium sealant offers superior durability and flexibility for glazing, bonding, and repair tasks. Read more...
Now only £15.99
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At a Glance

  • Withstands extreme temperatures up to 1300°C
  • Superior adhesion on concrete, mortar, fibre cement, and metal
  • Neutral, odourless curing system
  • Watertight and gas-tight sealing for indoor and outdoor applications
  • Ready to use in convenient 310ml tubes, available in Black and Clear

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: sales@nationalflues.com

Introducing the BLACK Heat Resistant Sealant by Envirograf, an exceptional sealant designed to handle extreme temperatures up to 1300°C. This high-performance sealant is ideal for a wide range of applications including glazing, sealing, bonding, and repairing tasks. It's perfect for securing joints between various building materials, providing a watertight and gas-tight seal.

Supplied in convenient 310ml tubes, this versatile sealant is available in both Black and Clear. It's designed for use on alkaline substrates such as concrete, mortar, and fibre cement, ensuring exceptional compatibility and adherence. The neutral curing system ensures it's practically odourless and non-corrosive to metals, eliminating the need for priming on most substrates.

Enhance your sealing tasks with this durable and reliable product from Envirograf, supported by National Flues’ trusted nationwide delivery service.

SKU: 93-HTS-ENV-B

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, November 14th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.

About National Flues Ltd +

We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.

Technical Specifications
Temperature ResistanceUp to 1300°C
Curing SystemNeutral, odourless curing
Tube Size310ml
ApplicationsGlazing, bonding, repairing, patching
Substrate CompatibilityConcrete, mortar, fibre cement, metals
Colour OptionsBlack and Clear
Before application, ensure that all surfaces are clean, dry, and free from dust or loose particles. For optimum adhesion, any old sealant should be completely removed. If applying on metal, check for surface rust and clean thoroughly. Apply the sealant evenly using a suitable dispensing tool, and smooth out with a finishing tool to ensure a uniform bead. Allow the product to cure undisturbed as per the instructions provided. Note that curing times may vary based on ambient temperature and humidity. Ensure safety gear is worn during application and follow manufacturer’s guidelines to avoid any risk during high-temperature installations.

The BLACK Heat Resistant Sealant by Envirograf can withstand temperatures up to 1300°C, making it ideal for high-temperature applications.

Yes, the sealant is non-corrosive to metals and does not require priming on most metal substrates.

Yes, the sealant is compatible with both water-based and solvent-based paints, allowing for flexibility in finishing.

It is suitable for alkaline substrates such as concrete, mortar, and fibre cement. It also adheres well to most other building materials without the need for priming.

No, the sealant utilizes a neutral curing system, making it practically odourless.

The sealant is supplied in 310ml tubes, providing ample product for extensive use.

Yes, the watertight and gas-tight properties of this sealant make it suitable for both indoor and outdoor sealing applications.

 

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