We use cookies to ensure a smooth, secure, and ever-improving experience on our website. By continuing to browse, you agree to our use of cookies as detailed in our Cookie Policy. Enjoy your visit and let us now if you need any help!
Cookie Preferences
We use different types of cookies for various purposes. Please select which you allow:
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. Trusted by professionals in the building and construction sectors, our high-performance, odourless sealant is your go-to solution for extreme heat applications, ensuring a seamless and long-lasting finish.
Hover to Zoom / Click for Gallery
In Stock
£14.99
Give us a call if you find it cheaper and we'll try to price match.
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
×
Email Product
Enter your email address to send the product details:
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.
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
Technical Specifications
Temperature Resistance
Up to 1300u00b0C
Curing System
Neutral, odourless curing
Tube Size
310ml
Applications
Glazing, bonding, repairing, patching
Substrate Compatibility
Concrete, mortar, fibre cement, metals
Colour Options
Black 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.
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.
Read our review in our BLACK Heat Resistent Sealent - Envirograf - 1300°C buyers guide
Comprehensive Buyers Guide for BLACK Heat Resistant Sealant by Envirograf
When planning your next construction or repair project, choosing the right sealant is crucial. The BLACK Heat Resistant Sealant by Envirograf is engineered to meet the demands of extreme temperature applications, delivering reliability and performance where it matters most.
Understanding the Product
At its core, this sealant is designed to withstand temperatures up to 1300°C, making it a perfect choice for high-heat environments such as fireplaces, ovens, and boilers. The unique formulation ensures that even in conditions of extreme heat, the sealant maintains its integrity, providing a robust barrier against leaks. Thanks to its neutral curing system, this product is virtually odourless and non-corrosive to metals, allowing for its use on a variety of substrates including concrete, mortar, fibre cement, and metal without the additional step of priming.
Key Applications
This versatile sealant is not limited to a single application. You can use it for:
• Glazing – securing windows and glass installations where high heat might be a concern.
• Bonding – firmly adhering materials together even in aggressive thermal conditions.
• Repairing – patching up fire-bricks or sealing around register plates in solid fuel ovens.
By catering to such diverse applications, it meets the rigorous standards set by both retail and trade customers, confirming its status as a must-have in tough environments.
Addressing Common Concerns
Will it work on all surfaces?
Absolutely. Designed for use on alkaline substrates and metals, this sealant offers excellent adhesion on concrete, mortar, fibre cement, and various other building materials. Its formulation ensures compatibility across a range of surfaces, making it a versatile choice for many different projects.
Is it easy to apply?
Yes. Packaged in a handy 310ml tube, the BLACK Heat Resistant Sealant is easy to dispense and spread. Prior cleaning of surfaces is recommended, but its user-friendly design means minimal extra preparation is necessary. Furthermore, the product's smooth application and quick curing properties reduce downtime in busy work environments.
What about weather resistance?
This sealant is engineered to provide both watertight and gas-tight properties, ensuring it can effectively combat moisture and adverse weather conditions. This durability makes it suitable for both indoor and outdoor projects, even in challenging climates.
Advantages of Using Envirograf Sealant
By opting for the Envirograf sealant, you’re choosing a product backed by trusted performance and innovative design. It stands out in the marketplace with its:
• High performance under extreme thermal conditions
• Ease of application due to its ready-to-use formulation
• Flexibility in application across different substrates and conditions
• Reliable and long-lasting seal that protects against leaks and weather damage
Installation Recommendations
Before applying the sealant, ensure that surfaces are prepared properly to maximise adhesion and longevity. The area should be clean, free of debris, and any previous sealant should be entirely removed. Application should be conducted using appropriate tools to ensure an even and smooth finish. It is also advised to allow sufficient curing time, which may vary depending on environmental factors such as temperature and humidity. The product delivers optimal performance when the manufacturer’s guidelines are followed meticulously.
Frequently Asked Questions
Q: Is the product suitable for high-humidity areas?
A: Yes, its formulation ensures that it remains effective in high-humidity environments, making it perfect for both indoor and outdoor uses.
Q: Can the sealant be painted over?
A: Yes, it is compatible with both water-based and solvent-based paints to allow flexibility in finishing your project.
Q: What safety measures should be taken during application?
A: Use protective gloves and eyewear during application. Ensure the work area is well-ventilated, even though the product is odourless. Follow all manufacturer safety guidelines.
Final Thoughts
The BLACK Heat Resistant Sealant by Envirograf represents a fusion of advanced technology and practical design. It provides a secure, long-lasting seal that supports the integrity of high-heat installations. Whether you are a professional contractor or a DIY enthusiast, investing in this product means opting for durability, superior performance, and peace of mind in even the most challenging conditions.
The quality and reliability of this sealant have been honed through rigorous testing and are reflected in its widespread acceptance among professionals. With its exceptional high-temperature resistance and versatile application, it is tailored to meet the needs of modern construction and repair projects.
Why risk sub-standard materials when you can have a product that stands up to the extremes? The BLACK Heat Resistant Sealant by Envirograf provides the performance and assurance you need, and it is available to you with the backing of trusted nationwide delivery by National Flues.
When you choose this sealant, you are opting for a product that not only meets but exceeds industry standards. From its technical innovation to its ease of use, this sealant is engineered for success in harsh environments. Its ability to adhere reliably in high-temperature scenarios makes it a standout choice for applications where failure could have significant consequences.
In conclusion, the BLACK Heat Resistant Sealant is a robust, high-performing solution for any project that requires exceptional heat resistance and sealing ability. Thoughtfully designed and rigorously tested, this product is a testament to Envirograf’s commitment to quality and safety. Don't compromise on quality when it comes to protecting your investments. Enhance your projects with this reliable, versatile sealant that has been built to last.
If you are ready to enhance your projects, buy now or call 01670 206 999.
Compatible and other products that may be of interest...
