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Everbuild XL Fire Cement Review: Durable High-Temperature Sealant for Stoves and Flues

Everbuild XL Fire Cement – Ready Mixed – Resistant to Temperatures Up to 1250˚C – Buff – 500g
4.6
[Versatile Use]  Suitable for domestic and commercial filling, fixing, and sealing of fire bricks, flue pipes, and fireplaces.
[Ready Mixed]  Easy to apply by trowel with excellent adhesion to bricks, blockwork, stone, and clayware.
[Asbestos Free]  Safe for use around boilers, solid fuel stoves, flues, and chimneys.
[High Temperature Resistance]  Thermo-setting resins and inorganic fillers resist temperatures up to 1250°C.
[Multiple Sizes Available]  Choose from 500g, 1kg, 2kg, and 5kg tubs for any project size.
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Home improvement sealant for high-heat repairs, Everbuild XL Fire Cement promises durable sealing for fireplaces, flues and stoves. Peace of mind comes from a ready-mixed, asbestos-free formulation that cures hard and adheres to fire bricks and stone. Does the ready-mixed formula suit both DIYers and professional heating engineers?

⚡ At a Glance
  • Heat Resistance: Resistant to temperatures up to 1250˚C, suitable for high-heat masonry
  • Best for: Sealing, filling and fixing fire bricks, flue pipes and fireplaces
  • Not ideal for: Flexible joint sealing or structural, load-bearing repairs

Ready-mixed cement combines thermo-setting resins and inorganic fillers to withstand extreme heat. Designed for domestic and commercial use around boilers, stoves, flues and chimneys.


Reliable High-Temperature Sealing – Thanks to thermo-setting resin blend

Thermo-setting resins form a stable matrix combined with inorganic fillers that remains intact at elevated temperatures up to 1250˚C. The chemistry prevents softening under prolonged heat exposure.

Keeps joints between firebricks, flues and stove surrounds sealed under intense heat, reducing the need for frequent touch-ups.

Clean, Simple Application – With ready-mixed, trowelable consistency

Pre-mixed paste arrives trowel-ready and requires no on-site mixing, achieving adhesion to fire bricks, blockwork, stone and clayware. Application is straightforward and consistent across repeated uses.

Saves preparation time and minimises mess during repairs, making the product useful for both quick DIY fixes and routine commercial maintenance.

Durable Rock-Hard Cure – Thanks to inorganic fillers

Inorganic fillers contribute to a dense, hard cured compound; user reports confirm that the material cures rock hard and maintains durability over time. The cured mass resists abrasion and repeated thermal cycling.

Delivers long-lasting repairs that stand up to wear and heat, reducing the frequency of rework in high-temperature areas.

✨ The 4 Key Reasons for Everbuild XL Fire Cement
  1. Ready-mixed consistency — saves prep time and reduces mess on site
  2. Strong adhesion — bonds reliably to firebricks, blockwork, stone and clayware
  3. Asbestos-free formulation — safe for use around boilers and solid-fuel stoves
  4. Hard curing performance — cures rock hard, standing up to thermal cycling and wear
📋 Technical Details at a Glance
  • Category: Fire cement/sealant
  • Heat resistance: Up to 1250˚C
  • Formulation: Ready mixed, trowelable paste
  • Composition: Blend of thermo-setting resins and inorganic fillers
  • Asbestos content: Asbestos free
❓ Frequently Asked Questions

Q: Can Everbuild XL Fire Cement be used around stoves and flues?

A: Yes, it can be used around boilers, solid fuel-burning stoves, flues and chimneys, and is designed for those applications.

Q: What maximum temperature can the cement resist?

A: Resistance is confirmed up to 1250˚C thanks to the thermo-setting resin and filler formulation.

Q: Is it ready to use straight from the tub?

A: Yes, the cement is supplied ready mixed and is easy to apply by trowel with minimal on-site preparation.

🏆 Our Verdict

Fire cement is suitable for DIYers, heating engineers and maintenance teams who need reliable, high-temperature sealing for fireplaces, stoves and flues. The ready-mixed, asbestos-free formulation cures hard and resists temperatures up to 1250°C, offering a durable seal. While cost varies by supplier, the combination of ease of use and long-term durability represents strong value for repair and maintenance work.