VITCAS Fireplace Construction Board

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VITCAS CS Fireplace Construction Board is an insulation board resistant to 1100°C / 1830°F. Perfect for use in fireplaces, tiled stoves and corner firesides. Suitable where there is no pre-existing chimney breast or in the centre of a wall or the corner of a room. Simpler and quicker to install than ever before!

As low as £23.99 £19.99 Regular Price £35.99

VITCAS Fireplace Construction Board is a versatile and reliable solution for constructing fireplaces, inset stoves and cassette stoves, especially in scenarios where there is no pre-existing chimney breast. Whether you want to install a fireplace in the centre of a wall or in the corner of a room, this construction board eliminates the need for additional framework, making the installation process simple and efficient.


  • High Thermal Resistance: With a remarkable thermal resistance of up to 1100oC, the VITCAS Fireplace Construction Board ensures excellent heat containment within your fireplace or inset stove. This feature enhances the overall performance and safety of your heating appliance.
  • Good Thermal Insulation: The construction board provides effective thermal insulation, preventing excessive heat transfer to the surrounding walls and maintaining a comfortable temperature in your living space.
  • Mechanical Stability: Designed for durability, the VITCAS Fireplace Construction Board offers mechanical stability, ensuring the structural integrity of your fireplace or inset stove. It can withstand the rigors of regular use and maintain its shape and strength over time.
  • Simple & Quick Setup: Thanks to its user-friendly design, the fireplace board can be easily and quickly installed. It eliminates the need for complex construction processes, allowing you to complete your fireplace or inset stove project efficiently.
  • Non-Flammable Rating A1: The VITCAS Fireplace Construction Board has been tested and classified with a non-flammable rating of A1 in accordance with EN 13501-1:2002. This rating ensures that the board meets the highest standards of fire safety.


  • Size: Each board measures 1000x610x30mm, providing ample surface area for constructing fireplaces, inset stoves, cassette stoves, corner firesides, and other similar applications.


The VITCAS Fireplace Construction Board is suitable for a wide range of applications, including:

  • Fireplaces: Build a fireplace in the centre of a wall or anywhere in your home without a pre-existing chimney breast using this construction board.
  • Inset Stoves: Create a stylish and efficient inset stove installation using the VITCAS Fireplace Construction Board. This allows you to integrate a stove into a wall or fireplace setting seamlessly.
  • Cassette Stoves: Construct a cassette stove using the VITCAS Fireplace Construction Board. This type of stove offers a modern and sleek look, providing efficient heating while maintaining a minimalist aesthetic.
  • Corner Firesides: Transform the corner of your room into a cozy and inviting fireside using this versatile board.

Fireplace Insulation Board


  1. Processing: The fireplace boards can be easily processed using conventional woodworking tools, allowing you to cut, shape, and modify them to fit your specific requirements.
  2. Fixing: Secure the boards in place using screws, ensuring a sturdy and reliable installation. This step helps to maintain the stability and longevity of your fireplace, inset stove, or cassette stove.
  3. Edges Treatment: For enhanced performance and sealing, treat the edges of the board with Vitcas BP - Board Adhesive Primer / Hardener. This treatment helps to reinforce the edges and improve their resistance to high temperatures.
  4. Sealing: Seal the joints between the boards using VITCAS Board Adhesive 1300⁰C. Apply this adhesive to create a strong bond and ensure that no heat or gases escape through the seams.
  5. Finishing: To achieve a polished and refined look, seal the entire surface of the VITCAS Fireplace Construction Board with Vitcas PVA Adhesive Sealer. This sealer enhances the board's resistance to moisture and provides a smooth surface for the final step.
  6. Skimming: Apply Vitcas Heat Resistant Plaster as a skim coat over the sealed surface of the fireplace board. This plaster is specially formulated to withstand high temperatures, ensuring a durable and heat-resistant finish.
  7. Finishing Touches: Once the plaster has dried, you can apply your choice of paint or decorative finish to match your desired aesthetic. Be sure to use heat-resistant paint or finish suitable for use with fireplaces, inset stoves, or cassette stoves.

If you need help for the amount of product to buy you can use Vitcas Quantity Calculator

More Information
Product GroupBoards
ColorOff White
Temperature1000°C /1830°F
Length (mm)1000
Thickness (mm)30
Width (mm)610
Fire protectionYes
HS Tariff Code6806900000
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Product Q&A
I am looking to install a ribbon burner in a slot cut into the board. The weight will be 11kg. Will the board take this?
Yes, the Fireplace Construction Board will be able to take this.
Hello - can I fix tiles directly onto VITCAS Fireplace Construction Board? thanks
Yes, you can fix tiles directly onto fireplace construction board using our adhesive.
If the temp on the inside face is 280 degrees would the outside face of the board be ambient temp
No, the outside face of the Fireplace Construction Board will not be ambient temperature, there will be some increase in temperature.
What is the board made of?
The fireplace construction board is made out of calcium silicate.
I am building a fireplace for a casette type stove and will need approx 8 construction boards. How much adhesive will I need?
Please refer to our calculator-
How do you cut and fix this? And what prep for paint does it need? Thanks.
You may cut the fireplace construction board using a hand saw and you just apply the heat resistant paint directly onto the board.
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