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Fire Board
Fire board refers to an extensive range of sheet materials designed to resist fire, slow flame spread, or stop burning (of itself or what it is protecting). At Sheet Materials Wholesale, our Fire Board section includes fire-retardant chipboard, fire-retardant MDF, fire-retardant plywood, and non-combustible boards (such as cement fibre and calcium silicate).
These boards are specially treated or made to slow down burning, make construction safer, and appear in interior linings or partitions.
What is fire resistant board?
As the name implies, it is a board designed to perform better than conventional materials when exposed to fire. Manufacturers achieve this using chemical treatments, non-combustible materials, or designs that resist igniting and retard flame spread.
The resistance is usually measured by classification systems (such as Euroclass ratings) or compliance standards. They indicate how resistant a material is to flame spread, smoke, and other fire-related performance metrics.
Many of our fireboards are rated Euroclass B or A1, offering high performance for your projects.
What is fire retardant board used for?
People use fire boards in contexts where regulations or best practices require enhanced fire safety. These include:
- Interior partitions and wall linings in homes, offices, or commercial buildings to slow fire spread between rooms.
- Display panels, wall linings, and dry internal decorative work, such as our fire-rated MDF boards.
- In ceilings or as part of fire-resistant builds where non-combustible boards work best (e.g., calcium silicate, fibre cement).
- Around services or internal (penetrative) elements like pipes and conduits to compartmentalise fires.
- Areas where the building code demands certain fire resistance (stairwells, lobbies, escape routes) or where insurance or safety standards specify.
We have boards for both dry internal uses and non-combustible boards to cater to stricter requirements.
Types of fire board
Fire Retardant MDF – This is treated MDF that delays ignition and fire spread, typically for internal dry use: rated (such as Euroclass B).
Fire Retardant Chipboard – Particle boards are treated similarly to MDF and have similar uses, usually as non-load-bearing internal elements.
Fire Retardant Plywood – The board is made with naturally resistant veneers or treated cores. They are stronger, but still non-structural, unless specially specified.
Non-Combustible Boards – These include cement fibre board and calcium silicate board. They do not burn and have high fire resistance.
Benefits of fire boards
Based on what they are manufactured to accomplish, fire boards offer several advantages:
- Enhanced safety – Slow fire spread and protects structural elements and contents, giving occupants more time to escape and fight the fire.
- Regulatory compliance – Safety codes and building regulations require fire-resistant or non-combustible materials in certain parts of a building.
- Versatility – Choose from a variety of sizes, thicknesses, and material types to fit different applications
- Improved durability – Treated boards or non-combustible ones stand up to surface damage and may have a longer service life in challenging conditions.
- Aesthetic and practical – Fire rated MDF is a prime example of a smooth finish that is ideal for painting or lining, allowing you to use it where visible safety or fire protection is critical.
Why choose our fire rated boards?
We make shopping at Sheet Materials Wholesale a satisfying experience by offering:
- Variety – You can get Fire Retardant MDF, Chipboard, Plywood, and Non-Combustible products to match your project.
- Certifications and ratings – Many of our products are specified Euroclass B or A1, showing recognised fire performance. Some are FSC® certified.
- Quality brands – Our catalogue features recognised brands and makers such as Ramco, Wisa, JCW, etc.
- Sizes and thicknesses – Our boards come in numerous thicknesses (6mm, 9mm, 12mm, etc.), and full-sizes (such as 2440mm x 1220mm, etc.), making it easy to find what you need for your project
As part of the wide selection at Sheet Materials Wholesale, we offer a broad assortment where you can buy pack deals at bulk pricing.
Explore our full Fire Board range to find reliable materials that meet both safety and finishing standards. Order today for fast UK delivery, or get in touch with our experts to.
At Sheet Materials Wholesale, you can purchase Fire Board at low wholesale prices with fast nationwide delivery for most of items within 1-3 working days across the UK. Next-day delivery is also available on most orders. Competitive rates guaranteed.
FAQ
Can you paint a fire board?
Yes, you can paint it, but you must ensure the paint used is appropriate for high heat conditions and doesn’t nullify the fire resistance characteristics of the board.
How to cut a fire board?
- Before you start, make sure you know how to handle the saw required and fasten the fireboard to the worktable.
- Choose the right circular saw blade that will create smooth cuts. Ask experts for advice on the exact kind of saw you need.
- Measure where you’ll cut before you start, and ensure you are working in a properly ventilated workroom.
- Use a powerful electric saw to cut, following the guidelines, and separate the board apart once done.
What is a fire board?
A fire board is an engineered construction material made to resist fire and heat, slowing the spread of flames in a building. They have fire-resistant additives like glass fibres and gypsum to perform as intended while offering structural integrity.
How do you fix a fireboard to a wall?
Typically, adhesive is used, in dabs or as a continuous layer, depending on the type and then fireboards are pressed into place. As always, measure twice, cut once. Remember to leave an appropriate gap for expansion. When the glue sets, use a countersunk screw to mechanically hold the boards in place, with appropriate gaps.
Fire Board Range
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60-119 120+ £21.14£25.37 £19.58£23.50 
6mm Finsa Fire Rated MDF Board Euroclass B 2440 x 1220mm (8′ x 4′) FSC®
Fire Rated MDF 6mm is ideal for use in internal dry conditions for non-structural applications and suitable for services such as display panes, wall linings, partitions, and so on. This Product is CARB 2 Compliant & has top-level of machining and finishing properties.
£22.25£26.70 Ex VATInc VAT Add to cart -
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36-71 72+ £24.75£29.70 £23.45£28.14 
6mm Ramco Fibre Cement Board A1 Non-Combustible 2440 x 1220mm (8′ x 4′)
6mm Ramco Hicem fire rated board 6mm is a technically advanced, multi-functional board, which contains so called cellulose fibres and additives. 6mm Hicem A1 Non-Combustible board provides an environmentally friendly and fire-safe high performing alternative to regular plywood, OSB or wood.
£26.05£31.26 Ex VATInc VAT Add to cart -
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48-95 96+ £21.93£26.32 £20.77£24.92 
6mm Ramco Calcium Silicate Board A1 Non-Combustible 2440 x 1220mm (8′ x 4′)
6mm Ramco Hilux fire rated board is a technically advanced, multi-functional board, which contains so called siliceous and calcareous materials, reinforced with cellulose fibres. 6mm Hilux A1 Non-Combustible board provides an environmentally friendly and fire-safe high performing alternative to regular plywood, OSB or wood.
£23.08£27.70 Ex VATInc VAT Add to cart -
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60-119 120+ £28.36£34.03 £26.87£32.24 
6mm Medite Premier Fire Rated MDF Board Euroclass B 2440 x 1220mm (8′ x 4′) FSC®
MEDITE PREMIER FR MDF 6mm is a Euroclass B fire-rated MDF for internal dry, non-structural applications such as display panels, wall linings, partitions and ceilings. It offers excellent machining and finishing characteristics. Medite Fire rated MDF is Carb 2 rated.
£29.85£35.82 Ex VATInc VAT Add to cart -
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60-119 120+ £36.15£43.38 £34.25£41.10 6mm Medite Premier Fire Rated MDF Board Euroclass B 3050 x 1220mm (10′ x 4′) FSC®
MEDITE PREMIER FR MDF 6mm in 10×4 size is a Euroclass B fire-rated MDF for internal dry, non-structural applications such as display panels, wall linings, partitions and ceilings. 6mm Fire MDF 3050 x 1220mm offers excellent machining and finishing characteristics. Medite Fire rated MDF is Carb 2 rated.
Original price was: £40.65 Ex VAT (£48.78 Inc VAT).£38.05£45.66Current price is: £38.05 Ex VAT (£45.66 Inc VAT). Ex VATInc VAT Add to cart -
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32-64 65+ £27.47£32.96 £26.90£32.28 
6mm NoMorePly Fibre Cement Board A1 Non-Combustible 2400 x 1200mm (8′ x 4′)
NoMorePly 6mm Fibre Cement board is commonly used in tile backing, walls, floors and cavity closures. It is a very high strength board with excellent water resistant properties making it suitable to use in areas where its damp.
£28.32£33.98 Ex VATInc VAT Add to cart -
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75-149 150+ £8.52£10.22 £8.07£9.68 There are 1 more images6mm NoMorePly PrePrimed Fibre Cement Tile Backer Overboard 1200 x 600mm (4′ x 2′)
NoMorePly Primed 6mm Fibre Cement overboard has been manufactured to make timber floors stronger before tiling. 6mm overboard prevents tiles and grout line cracking and is highly water resistant and non combustible.
£8.97£10.76 Ex VATInc VAT Add to cart -
9mm Fire Retardant Plywood Euroclass B 2440 x 1220mm (8′ x 4′) FSC®
Fire retardant plywood is not suitable for structural use and is treated using chemicals that make it unable to oxidize. It makes it hard to burn. Where applied, the FRT plywood will char when on fire but will not burn. Thus, it can significantly reduce the progress of a fire.
Original price was: £50.00 Ex VAT (£60.00 Inc VAT).£48.89£58.67Current price is: £48.89 Ex VAT (£58.67 Inc VAT). Ex VATInc VAT Add to cart -
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40-79 80+ £27.54£33.05 £26.09£31.31 
9mm Finsa Fire Rated MDF Board Euroclass B 2440 x 1220mm (8′ x 4′) FSC®
Fire Rated MDF 9mm is ideal for use in internal dry conditions for non-structural applications and suitable for services such as display panes, wall linings, partitions, and so on. This Product is CARB 2 Compliant & has top-level of machining and finishing properties.
Original price was: £31.01 Ex VAT (£37.21 Inc VAT).£28.99£34.79Current price is: £28.99 Ex VAT (£34.79 Inc VAT). Ex VATInc VAT Add to cart -
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24-47 48+ £30.45£36.54 £28.85£34.62 9mm Ramco Fibre Cement Board A1 Non-Combustible 2440 x 1220mm (8′ x 4′)
9mm Ramco Hicem fire rated board 9mm is a technically advanced, multi-functional board, which contains so called cellulose fibres and additives. 9mm Hicem A1 Non-Combustible board provides an environmentally friendly and fire-safe high performing alternative to regular plywood, OSB or wood.
£32.05£38.46 Ex VATInc VAT Add to cart -
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45-89 90+ £33.30£39.96 £31.55£37.86 
9mm Medite Premier Fire Rated MDF Board Euroclass B 2440 x 1220mm (8′ x 4′) FSC®
MEDITE PREMIER FR MDF 9mm is a Euroclass B fire-rated MDF for internal dry, non-structural applications such as display panels, wall linings, partitions and ceilings. It offers excellent machining and finishing characteristics. Medite Fire rated MDF is Carb 2 rated.
£35.05£42.06 Ex VATInc VAT Add to cart -
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25-49 50+ £39.96£47.95 £39.14£46.97 
There are 1 more images9mm NoMorePly Fibre Cement Board A1 Non-Combustible 2400 x 1200mm (8′ x 4′)
NoMorePly 9mm Fibre Cement board is commonly used in tile backing, stove backer board, walls, floors and cavity closures. It is a very high strength board with excellent water resistant properties making it suitable to use in areas where its damp.
£41.20£49.44 Ex VATInc VAT Add to cart -
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27-54 55+ £37.86£45.43 £35.87£43.04 10mm Ramco Calcium Silicate Board A1 Non-Combustible 2440 x 1220mm (8′ x 4′)
10mm Ramco Hilux fire rated board is a technically advanced, multi-functional board, which contains so called siliceous and calcareous materials, reinforced with cellulose fibres. 10mm Hilux A1 Non-Combustible board provides an environmentally friendly and fire-safe high performing alternative to regular plywood, OSB or wood.
£39.85£47.82 Ex VATInc VAT Add to cart -
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30-59 60+ £32.16£38.59 £28.77£34.52 
12mm Finsa Fire Rated MDF Board Euroclass B 2440 x 1220mm (8′ x 4′) FSC®
Fire Rated MDF 12mm is ideal for use in internal dry conditions for non-structural applications and suitable for services such as display panes, wall linings, partitions, and so on. This Product is CARB 2 Compliant & has top-level of machining and finishing properties.
£33.85£40.62 Ex VATInc VAT Add to cart -
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30-59 60+ £41.11£49.33 £40.26£48.31 12mm Finsa Fire Rated MDF Board Euroclass B 3050 x 1220mm (10′ x 4′) FSC®
Fire Rated MDF 12mm is ideal for use in internal dry conditions for non-structural applications; suitable for uses such as display panes, wall linings, partitions, and so on.
£42.38£50.86 Ex VATInc VAT Add to cart -
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38-74 75+ £63.97£76.76 £60.01£72.01 
There are 1 more images12mm Fire Retardant Plywood Euroclass B 2440 x 1220mm (8′ x 4′) FSC®
Fire retardant plywood is not suitable for structural use and is treated using chemicals that make it unable to oxidize. It makes it hard to burn. Where applied, the FRT plywood will char when on fire but will not burn. Thus, it can significantly reduce the progress of a fire.
£65.95£79.14 Ex VATInc VAT Add to cart -
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18-35 36+ £42.53£51.04 £41.22£49.46 12mm Ramco Fibre Cement Board A1 Non-Combustible 2440 x 1220mm (8′ x 4′)
12mm Ramco Hicem fire rated board 12mm is a technically advanced, multi-functional board, which contains so called cellulose fibres and additives. 12mm Hicem A1 Non-Combustible board provides an environmentally friendly and fire-safe high performing alternative to regular plywood, OSB or wood.
£43.85£52.62 Ex VATInc VAT Add to cart -
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24-47 48+ £46.41£55.69 £44.98£53.98 12mm Ramco Calcium Silicate Board A1 Non-Combustible 2440 x 1220mm (8′ x 4′)
12mm Ramco Hilux fire rated board is a technically advanced, multi-functional board, which contains so called siliceous and calcareous materials, reinforced with cellulose fibres. 12mm Hilux A1 Non-Combustible board provides an environmentally friendly and fire-safe high performing alternative to regular plywood, OSB or wood.
£47.85£57.42 Ex VATInc VAT Add to cart -
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37-74 75+ £64.08£76.90 £60.71£72.85 
12mm Wisa SpruceFR Fire Retardant Plywood Euroclass B 2440 x 1220mm (8′ x 4′) FSC®
12mm Wisa SpruceFR softwood plywood is a Class B fire retardant structural sheet that is very sturdy and high quality. As well as structural use, it also is commonly seen in the use of load-bearing applications.
£67.45£80.94 Ex VATInc VAT Add to cart -
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34-67 68+ £39.47£47.36 £37.40£44.88 12mm Medite Premier Fire Rated MDF Board Euroclass B 2440 x 1220mm (8′ x 4′) FSC®
MEDITE PREMIER FR MDF 12mm is a Euroclass B fire-rated MDF for internal dry, non-structural applications such as display panels, wall linings, partitions and ceilings. It offers excellent machining and finishing characteristics. Medite Fire rated MDF is Carb 2 rated.
£41.55£49.86 Ex VATInc VAT Add to cart -
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17-34 35+ £43.88£52.66 £42.98£51.58 
There are 1 more images12mm NoMorePly Fibre Cement Board A1 Non-Combustible 2400 x 1200mm (8′ x 4′)
NoMorePly 12mm Fibre Cement board is commonly used in tile backing, stove backer board, walls, floors and cavity closures. 12mm NMP fibre cement board is Hetas approved. It is a very high strength board with excellent water resistant properties making it suitable to use in areas where its damp.
£45.24£54.29 Ex VATInc VAT Add to cart -
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32-74 75+ £12.33£14.80 £11.68£14.02 
There are 1 more images12mm NoMorePly Fibre Cement Tile Backer Wallboard 1200 x 800mm (4′ x 2.6′)
NoMorePly Primed 12mm Fibre Cement Wallboard has been manufactured to provide a strong wall surface before tiling. 12mm NoMorePly wallboard is Hetas approved and prevents tiles and grout line cracking and is highly water resistant and non combustible.
£12.98£15.58 Ex VATInc VAT Add to cart -
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35-69 70+ £37.39£44.87 £36.62£43.94 
12mm EGGER Fire Retardant OSB 3 Flammex Board 2440 x 1220mm (8′ x 4′) FSC®
12mm Egger Fire Retardant Flammex OSB3 Board has flame-retardant intumescent coating and UV coating applied. It can be used for exterior/interior walls and roofs.
Original price was: £39.59 Ex VAT (£47.51 Inc VAT).£38.55£46.26Current price is: £38.55 Ex VAT (£46.26 Inc VAT). Ex VATInc VAT Add to cart -
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25-49 50+ £37.15£44.58 £35.19£42.23 
15mm Finsa Fire Rated MDF Board Euroclass B 2440 x 1220mm (8′ x 4′) FSC®
Fire Rated MDF 15mm is ideal for use in internal dry conditions for non-structural applications and suitable for services such as display panes, wall linings, partitions, and so on. This Product is CARB 2 Compliant & has top-level of machining and finishing properties.
£39.10£46.92 Ex VATInc VAT Add to cart -
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17-34 35+ £60.85£73.02 £57.65£69.18 16mm Ramco Calcium Silicate Board A1 Non-Combustible 2440 x 1220mm (8′ x 4′)
16mm Ramco Hilux fire rated board is a technically advanced, multi-functional board, which contains so called siliceous and calcareous materials, reinforced with cellulose fibres. 16mm Hilux A1 Non-Combustible board provides an environmentally friendly and fire-safe high performing alternative to regular plywood, OSB or wood.
£64.05£76.86 Ex VATInc VAT Add to cart -
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20-39 40+ £44.21£53.05 £41.65£49.98 
18mm Finsa Fire Rated MDF Board Euroclass B 2440 x 1220mm (8′ x 4′) FSC®
Fire Rated MDF 18mm is ideal for use in internal dry conditions for non-structural applications and suitable for services such as display panes, wall linings, partitions, and so on. This Product is CARB 2 Compliant & has top-level of machining and finishing properties.
£46.54£55.85 Ex VATInc VAT Add to cart -
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20-39 40+ £54.10£64.92 £50.12£60.14 
18mm Finsa Fire Rated MDF Board Euroclass B 3050 x 1220mm (10′ x 4′) FSC®
Fire Rated MDF 18mm is ideal for use in internal dry conditions for non-structural applications; suitable for uses such as display panes, wall linings, partitions, and so on.
Original price was: £58.07 Ex VAT (£69.68 Inc VAT).£56.95£68.34Current price is: £56.95 Ex VAT (£68.34 Inc VAT). Ex VATInc VAT Add to cart -
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25-49 50+ £94.22£113.06 £91.55£109.86 
There are 1 more images18mm Fire Retardant Plywood Euroclass B 2440 x 1220mm (8′ x 4′) FSC®
Fire retardant plywood is not suitable for structural use and is treated using chemicals that make it unable to oxidize. It makes it hard to burn. Where applied, the FRT plywood will char when on fire but will not burn. Thus, it can significantly reduce the progress of a fire.
£96.88£116.26 Ex VATInc VAT Add to cart -
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25-49 50+ £83.47£100.16 £81.75£98.10 
18mm Wisa SpruceFR Fire Retardant Plywood Euroclass B 2440 x 1220mm (8′ x 4′) FSC®
18mm Wisa SpruceFR softwood plywood is a Class B fire retardant structural sheet that is very sturdy and high quality. As well as structural use, it also is commonly seen in the use of load-bearing applications.
£86.05£103.26 Ex VATInc VAT Add to cart -
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12-23 24+ £70.54£84.65 £66.83£80.20 18mm Ramco Fibre Cement Board A1 Non-Combustible 2440 x 1220mm (8′ x 4′)
18mm Ramco Hicem fire rated board 18mm is a technically advanced, multi-functional board, which contains so called cellulose fibres and additives. 18mm Hicem A1 Non-Combustible board provides an environmentally friendly and fire-safe high performing alternative to regular plywood, OSB or wood.
£74.25£89.10 Ex VATInc VAT Add to cart -
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23-45 46+ £49.37£59.24 £46.77£56.12 18mm Medite Premier Fire Rated MDF Board Euroclass B 2440 x 1220mm (8′ x 4′) FSC®
MEDITE PREMIER FR MDF 18mm is a Euroclass B fire-rated MDF for internal dry, non-structural applications such as display panels, wall linings, partitions and ceilings. It offers excellent machining and finishing characteristics. Medite Fire rated MDF is Carb 2 rated.
£51.97£62.36 Ex VATInc VAT Add to cart -
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25-49 50+ £28.08£33.70 £27.50£33.00 
There are 4 more images18mm NoMorePly Fibre Cement Tile Backer TG4 Floorboard 1200 x 600mm (4′ x 2′)
NoMorePly Primed 18mm Fibre Cement TG4 Floorboard has been manufactured for an easy and quick fit that interlock together. 18mm NoMorePly floorboard won’t loose its shape, won’t squeak and has outstanding weather durability that allows boards to stay exposed for longer before installation. Suitable for Wet rooms, bathrooms, hallways, kitchens and even mezzanine flooring.
£28.95£34.74 Ex VATInc VAT Add to cart -
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30-59 60+ £44.00£52.80 £43.09£51.71 
18mm EGGER Fire Retardant OSB 3 Flammex Board 2440 x 1220mm (8′ x 4′) FSC®
18mm Egger Fire Retardant Flammex OSB3 Board has flame-retardant intumescent coating and UV coating applied on one side. It can be used for exterior/interior walls and roofs.
Original price was: £46.67 Ex VAT (£56.00 Inc VAT).£45.36£54.43Current price is: £45.36 Ex VAT (£54.43 Inc VAT). Ex VATInc VAT Add to cart -
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20-39 40+ £33.56£40.27 £32.87£39.44 There are 4 more images22mm NoMorePly Fibre Cement Tile Backer TG4 Floorboard 1200 x 600mm (4′ x 2′)
NoMorePly Primed 22mm Fibre Cement TG4 Floorboard has been manufactured for an easy and quick fit that interlock together. 22mm NoMorePly floorboard won’t loose its shape, won’t squeak and has outstanding weather durability that allows boards to stay exposed for longer before installation. Suitable for Wet rooms, bathrooms, hallways, kitchens and even mezzanine flooring.
£34.60£41.52 Ex VATInc VAT Add to cart -
25mm Fire Retardant Plywood Euroclass B 2440 x 1220mm (8′ x 4′) FSC®
Fire retardant plywood is not suitable for structural use and is treated using chemicals that make it unable to oxidize. It makes it hard to burn. Where applied, the FRT plywood will char when on fire but will not burn. Thus, it can significantly reduce the progress of a fire.
Original price was: £134.50 Ex VAT (£161.40 Inc VAT).£132.30£158.76Current price is: £132.30 Ex VAT (£158.76 Inc VAT). Ex VATInc VAT Add to cart -
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15-29 30+ £69.11£82.93 £64.02£76.82 
25mm Finsa Fire Rated MDF Board Euroclass B 2440 x 1220mm (8′ x 4′) FSC®
Fire Rated MDF 25mm is ideal for use in internal dry conditions for non-structural applications and suitable for services such as display panes, wall linings, partitions, and so on. This Product is CARB 2 Compliant & has top-level of machining and finishing properties.
£72.75£87.30 Ex VATInc VAT Add to cart
