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3.6mm Eucalyptus Throughout Premium Hardwood Plywood B/BB 2440 x 1220mm FSC®
3.6mm Chinese Eucalyptus Hardwood Plywood is a structural plywood that provides homeowners and merchants with a superior solution for interior and exterior applications using the highest quality species. Remember to seal the sheets before using them externally (i.e. exposed to weather conditions).
Original price was: £8.25 Ex VAT (£9.90 Inc VAT).£7.99£9.59Current price is: £7.99 Ex VAT (£9.59 Inc VAT). Ex VATInc VAT Add to cart -
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82-164 165+ £10.12£12.14 £9.37£11.24 
There are 1 more images5.5mm Eucalyptus Throughout Premium Hardwood Plywood B/BB 2440 x 1220mm FSC®
5.5mm Chinese Eucalyptus Hardwood Plywood is a structural plywood that provides homeowners and merchants with a superior solution for interior and exterior applications using the highest quality species. Remember to seal the sheets before using them externally (i.e. exposed to weather conditions).
£10.65£12.78 Ex VATInc VAT Add to cart -
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50-99 100+ £14.78£17.74 £14.33£17.20 There are 1 more images9mm Eucalyptus Throughout Premium Hardwood Plywood B/BB 2440 x 1220mm FSC®
9mm Chinese Eucalyptus Hardwood Plywood is a structural plywood that provides homeowners and merchants with a superior solution for interior and exterior applications using the highest quality species. Remember to seal the sheets before using them externally (i.e. exposed to weather conditions).
£15.24£18.29 Ex VATInc VAT Add to cart -
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37-74 75+ £19.43£23.32 £18.00£21.60 
There are 1 more images12mm Eucalyptus Throughout Premium Hardwood Plywood B/BB 2440 x 1220mm FSC®
12mm Chinese Eucalyptus Hardwood Plywood is a structural plywood that provides homeowners and merchants with a superior solution for interior and exterior applications using the highest quality species. Remember to seal the sheets before using them externally (i.e. exposed to weather conditions).
£20.45£24.54 Ex VATInc VAT Add to cart -
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51-101 102+ £10.54£12.65 £10.32£12.38 
18mm Kronobuild OSB 3 TG4E Tongue And Groove Flooring Board 2440 x 590mm (8′ x 1.94′) FSC®
18mm OSB 3 with Tongue and Groove profiling is versatile, BBA approved and water-resistant timber panel suitable for load-bearing roofing and flooring applications in dry and humid conditions.
£10.75£12.90 Ex VATInc VAT Add to cart -
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40-79 80+ £8.78£10.54 £8.60£10.32 
There are 1 more images18mm EGGER P5 Tongue and Groove Moisture Resistant Chipboard Flooring TG4E 2400 x 600mm (8′ x 2′) FSC®
18mm Egger P5 tongue and groove chipboard is a moisture-resistant structural grade flooring board. It is generally used in flooring applications as the board’s construction adds strength when panels are slotted together and screwed or nailed down to floor joists.
£9.05£10.86 Ex VATInc VAT Add to cart -
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40-79 80+ £12.13£14.56 £11.88£14.26 
18mm EGGER Peel Clean Xtra P5 Tongue and Groove Moisture Resistant Chipboard Flooring TG4E 2400 x 600mm (8′ x 2′) FSC®
18mm Tongue and Groove Chipboard, commonly known as P5 is a structural grade flooring board highly regarded by builders because of its moisture-resistant properties. 18mm T&G flooring chipboard is typically utilised in flooring applications.
Original price was: £13.25 Ex VAT (£15.90 Inc VAT).£12.51£15.01Current price is: £12.51 Ex VAT (£15.01 Inc VAT). Ex VATInc VAT Add to cart -
18mm CaberDek P5 Tongue and Groove Moisture Resistant Chipboard Flooring TG4 2400 x 600mm (8′ x 2′) FSC®
18mm Tongue and Groove Chipboard, commonly known as P5 is a structural grade flooring board highly regarded by builders because of its moisture-resistant properties. 18mm T&G flooring chipboard is typically utilised in flooring applications. Caberdek provides weather exposure of up to 60 days. Generally used on joists with 400mm centres.
Original price was: £13.25 Ex VAT (£15.90 Inc VAT).£12.89£15.47Current price is: £12.89 Ex VAT (£15.47 Inc VAT). Ex VATInc VAT Add to cart -
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25-49 50+ £28.36£34.03 £26.87£32.24 
There are 1 more images18mm Eucalyptus Throughout Premium Hardwood Plywood B/BB 2440 x 1220mm FSC®
18mm Chinese Eucalyptus Hardwood Plywood is a structural plywood that provides homeowners and merchants with a superior solution for interior and exterior applications using the highest quality species. Remember to seal the sheets before using them externally (i.e. exposed to weather conditions).
£29.85£35.82 Ex VATInc VAT Add to cart -
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25-49 50+ £10.65£12.78 £10.43£12.52 18mm EGGER OSB 3 TG4E Tongue And Groove Roofing Board 2400 x 600mm (8′ x 2′) FSC®
18mm EGGER OSB 3 with Tongue and Groove profiling is versatile, BBA approved and water-resistant timber panel suitable for load-bearing roofing and flooring applications in dry and humid conditions.
£10.98£13.18 Ex VATInc VAT Add to cart -
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50-99 100+ £26.36£31.63 £25.82£30.98 
18mm WISA Sprucefloor Spruce Softwood Plywood G/III TG4 2400 x 600mm FSC®
18mm Wisa Sprucefloor is an engineered flooring panel. Produced from Nordic spruce veneers with a purpose-designed tongue-and-groove profile on all four sides. It can be used in domestic and light commercial flooring, offering high strength, dimensional stability and light weight for easy handling and installation.
£27.18£32.62 Ex VATInc VAT Add to cart -
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32-63 64+ £10.48£12.58 £10.26£12.31 
There are 1 more images22mm EGGER P5 Tongue and Groove Moisture Resistant Chipboard Flooring TG4E 2400 x 600mm (8′ x 2′) FSC®
22mm Egger P5 tongue and groove chipboard is a moisture-resistant structural grade flooring board. It is generally used in flooring applications as the construction of the board adds strength when boards are slotted together and screwed or nailed down to floor joists.
£10.80£12.96 Ex VATInc VAT Add to cart -
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32-63 64+ £15.12£18.14 £14.81£17.77 
22mm EGGER Peel Clean Xtra P5 Tongue and Groove Moisture Resistant Chipboard Flooring TG4E 2400 x 600mm (8′ x 2′) FSC®
22mm Tongue and Groove Chipboard, commonly known as P5 is a structural grade flooring board highly regarded by builders because of its moisture-resistant properties. 22mm T&G flooring chipboard is typically utilised in flooring applications.
£15.59£18.71 Ex VATInc VAT Add to cart -
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32-63 64+ £16.46£19.75 £15.78£18.94 
22mm EGGER Protect P5 Tongue and Groove Moisture Resistant Chipboard Flooring TG4E 2400 x 600mm (8′ x 2′) FSC®
22mm Tongue and Groove Chipboard, commonly known as P5, is a structural grade flooring board highly regarded by builders because of its moisture-resistant properties. 22mm T&G flooring chipboard is typically utilised in flooring applications.
£17.15£20.58 Ex VATInc VAT Add to cart -
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43-83 84+ £29.64£35.57 £28.08£33.70 
22mm UFH Unfoiled Pre-Routed Underfloor Heating P5 Flooring Grade Chipboard For 12mm Pipe 2400 x 600mm FSC®
The 22mm underfloor heating p5 moisture resistant chipboard is a durable, unfoiled board commonly used in a range of flooring applications. Across the market, it is well known as 22mm UFH chipboard. Channels are routed to suit a 12mm pipe, and are machined at 150mm centres with returns.
£31.20£37.44 Ex VATInc VAT Add to cart -
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41-81 82+ £15.63£18.76 £15.30£18.36 
There are 1 more images22mm CaberDek P5 Tongue and Groove Moisture Resistant Chipboard Flooring TG4 2400 x 600mm (8′ x 2′) FSC®
22mm Tongue and Groove Chipboard, commonly known as P5 is a structural grade flooring board highly regarded by builders because of its moisture-resistant properties. 22mm T&G flooring chipboard is typically utilised in flooring applications. Caberdek provides weather exposure of up to 60 days. Generally used on joists with 600mm centres.
£16.11£19.33 Ex VATInc VAT Add to cart -
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42-83 84+ £34.06£40.87 £32.27£38.72 
22mm UFH Foiled Pre-Routed Underfloor Heating P5 Flooring Grade Chipboard For 12mm Pipe 2400 x 600mm FSC®
The 22mm underfloor heating p5 moisture resistant chipboard is a durable, foiled board commonly used in a range of flooring applications. Across the market, it is well known as 22mm UFH chipboard. Channels are routed to suit a 12mm pipe, and are machined at 150mm centres with returns.
£35.85£43.02 Ex VATInc VAT Add to cart -
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20-39 40+ £32.73£39.28 £31.01£37.21 
22mm Chinese Eucalyptus Throughout Hardwood Plywood B/BB 2440 x 1220mm (8′ x 4′) FSC®
22mm Chinese Eucalyptus Hardwood Plywood is a structural plywood that provides homeowners and merchants with a superior solution for interior and exterior applications using the highest quality species. Remember to seal the sheets before using them externally (i.e. exposed to weather conditions).
Original price was: £36.95 Ex VAT (£44.34 Inc VAT).£34.45£41.34Current price is: £34.45 Ex VAT (£41.34 Inc VAT). Ex VATInc VAT Add to cart -
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42-83 84+ £30.26£36.31 £28.08£33.70 
22mm UFH Unfoiled Pre-Routed Underfloor Heating P5 Flooring Grade Chipboard For 16mm Pipe 2400 x 600mm FSC®
The 22mm underfloor heating p5 moisture resistant chipboard is a durable, unfoiled board commonly used in a range of flooring applications. Across the market, it is well known as 22mm UFH chipboard. Channels are routed to suit a 16mm pipe, and are machined at 150mm centres with returns.
£31.20£37.44 Ex VATInc VAT Add to cart -
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41-81 82+ £16.21£19.45 £15.87£19.04 
22mm SterlingOSB Zero OSB 3 TG4E Tongue And Groove Flooring Board 2440 x 590mm (8′ x 1.94′) FSC®
22mm OSB 3 with Tongue and Groove profiling is versatile, BBA approved and water-resistant timber panel suitable for load-bearing roofing and flooring applications in dry and humid conditions.
£16.71£20.05 Ex VATInc VAT Add to cart -
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41-81 82+ £32.74£39.29 £32.06£38.47 22mm WISA Sprucefloor Spruce Softwood Plywood G/III TG4 2400 x 600mm FSC®
22mm Wisa Sprucefloor is an engineered flooring panel. Produced from Nordic spruce veneers with a purpose-designed tongue-and-groove profile on all four sides. It can be used in domestic and light commercial flooring, offering high strength, dimensional stability and light weight for easy handling and installation.
£33.75£40.50 Ex VATInc VAT Add to cart -
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18-35 36+ £26.99£32.39 £26.43£31.72 
30mm EGGER OSB 4 HDX TG2 Tongue And Groove Flooring Board 2400 x 675mm (8′ x 2.2′) FSC®
EGGER OSB HDX is a 30mm heavy-duty, load-bearing OSB 4 panel designed for applications to replace a commonly used 38mm Mezzanine Flooring. Its side is wider yet up to 20% lighter, making it easier to install and work with the boards.
£27.82£33.38 Ex VATInc VAT Add to cart -
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10-19 20+ £30.12£36.14 £28.88£34.66 
38mm Finsa superPan Tech P6 TG2LE Tongue and Groove Chipboard Mezzanine Flooring 2400 x 600mm (8′ x 2′) FSC®
38mm Finsa’s SuperPan P6 T&G Flooring system is an innovative, next-generation board that has a unique composition comprising of two external MDF faces with a chipboard core which is without comparison in the market currently.
Original price was: £33.43 Ex VAT (£40.12 Inc VAT).£31.05£37.26Current price is: £31.05 Ex VAT (£37.26 Inc VAT). Ex VATInc VAT Add to cart -
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25-49 50+ £27.01£32.41 £26.46£31.75 
38mm Unilin U7 P6 TG2LE Tongue and Groove Chipboard Mezzanine Flooring 2400 x 600mm (8′ x 2′)
38mm U7 is Unilin’s reinforced P6 chipboard, engineered specifically for mezzanine flooring with higher point-load capacity and stiffness. It meets the P6 threshold but is independently tested and documented well beyond it, for structural flooring performance a generic P6 board can’t guarantee.
£27.85£33.42 Ex VATInc VAT Add to cart
Flooring Board
Flooring boards are a heavier-duty sheet material (panel boards) designed to create robust, stable floor surfaces. They find applications in both subflooring (to support the final floor finish) or, in some instances, as a finished walking surface.
Because they come in various types and specifications, both residential and commercial buyers can expect flexibility to ensure stability, durability, and safety in their builds.
What is a flooring board?
A flooring board is a type of sheet or panel product made from materials like plywood, chipboard, OSB (Oriented Strand Board), or composite wood fibre. These boards are made to specific thicknesses, strengths, and often, moisture-resistance ratings.
Some have profiles (such as tongue-and-groove edges) to interlock, while others are flat panels laid over the substructure or joists. These characteristics make them capable of handling loads, providing rigidity, and distributing weight, before any decorative floor finishes such as tiles, vinyl, carpet, etc., are applied.
What are flooring boards used for?
Flooring boards have many practical uses in construction and renovation. Here are the most common uses:
- Structural subfloors – Boards are laid over the structural supports and joists to create the base on which the final flooring material will rest.
- Domestic/commercial floor areas – In homes, offices, shops, etc., flooring boards (especially P5-rated chipboard boards) are used where strong, load-bearing surfaces are needed. Kitchens and bathrooms require boards with moisture resistance.
- Lofts – Often fitted with flooring boards to make the space usable, create storage areas, or convert it into living quarters. These boards must be able to withstand loads and may need to consider insulation and moisture.
- Underfloor heating systems (UFH) – Special boards are made with channels pre-routed (grooved), which allows heating elements or pipes to pass through or very close to the surface, improving efficiency and keeping the floor profile low.
- Acoustic flooring – Boards with sound-dampening or insulative properties can reduce the amount of noise that makes it through, which is ideal for apartments, hotels, etc.
- Mezzanine flooring – For elevated floors or mezzanines, strong boards provide a stable, safe, load-bearing floor that sits on secondary structures.
Types of flooring boards
At Sheet Materials Wholesale, we equip ourselves to offer the full range of flooring boards in a variety of standard sizes to offer the ideal fit for your project.
Here are the most common types of floor boards in the UK:
Chipboard flooring
Chipboards are often used for structural, load-bearing floor bases in domestic and light commercial settings.
We stock chipboard flooring boards in p5 structural grades, moisture-resistant chipboards (MR), tongue & groove options (TG or TG4E), and special boards for underfloor heating (UFH).
Some of these include Egger Protect P5 MR T&G, 22mm UFH Pre-routed P5 Chipboard, etc. We also carry boards like the HydroFlam P5 T&G chipboard with fire-retardant properties.
OSB (Oriented strand board)
Our range includes OSB3 boards in both square edges and tongue & groove (T&G / TG4E) options. Thicknesses from 9mm up through 22mm, depending on structural need.
They resist bending forces decently well, especially with T&G edges, and are useful for load-bearing flooring/roofing/subfloor work. You won’t generally see a moisture-resistant (MR) option in many listings, with many described for ‘humid conditions. But they are not the same as MR chipboard boards.
They are best used for:
- Structural flooring where strength and cost-efficiency are priorities
- Roof decking or sheathing (where suitable), walls, or general internal structural panels.
- When you need decent stability and load capacity, as well as non-decorative surfaces.
Hardwood Plywood / Softwood Plywood
The stock includes various plywood options, such as softwood, hardwood-faced, eucalyptus-faced, CE-graded panels, and structural plywood intended for decks, floors, and exterior use.
We place an emphasis on veneer quality, face species, and structural integrity. Some boards have exterior grades or are CE2+, etc., depending on finish and exposure. Harder/denser plywood tends to perform better in humidity or where boards may get wet occasionally.
They are best used for:
Flatter, more stable bases (e.g., for tiles, laminate, engineered wood)
Environments with some moisture risk or appearance are more visible
Exterior applications (with proper treatment) where OSB or chipboard is less effective.
Specialised & structural boards
- Underfloor heating boards
As mentioned, the 22mm pre-routed UFH chipboard is designed for embedding 12mm or 16mm pipes, keeping a low floor profile, and ensuring heat distributes more efficiently.
- Fire retardant boards
Products like the 22mm HydroFlam P5 T&G FR Chipboard are available for increased safety in certain builds.
- Mezzanine/Loft/Heavy Load Boards
We stock mezzanine flooring, chipboards, loft boards, and high-thickness chipboards for greater load.
- Tongue & Groove Profiling
Many boards in chipboard and OSB classes utilise T&G (or TG4E) edges to reduce movement between boards for a stronger, quieter floor.
Benefits of floor boards
- Creates a strong subfloor
The structural grade boards (especially P5 chipboard and T&G options) create a sturdy base, able to withstand heavy loads, resist bending, and support finish flooring.
- Quieter floors
Tongue & groove profiling helps interlock boards, reducing movement and squeaks. The floor behaves and moves as one, suppressing noise.
- Compatibility with underfloor heating
Some flooring boards are designed specifically for UFH. We stock a collection of UFH chipboards that are ideal for these applications.
- Fast installation
T&G edges allow for boards to slot together, reducing on-site labour and time. More time is saved when cutting, fixing, and finishing, owing to the consistent sizes and smooth surfaces.
- Flat surface
Boards like the 22mm P5 chipboard types are sanded and manufactured to be flat, making it easy to apply finish flooring without issues.
Why choose our flooring boards?
- Competitive pricing
Get chipboard and OSB boards at low prices or bulk deals to make your project more cost-efficient.
- Broad variation
Find everything from standard to exterior-graded weather exposure panels to ensure your project has what it needs.
- Stocked from FSC-certified manufacturers
Our stock includes named brands like Kronospan, Caberfloor, Egger, etc., which comply with standards (EN, CE marks, etc.). Many boards are FSC® certified, meaning they are sourced from responsibly managed forests.
- Moisture-Resistant and structural board options
You can find moisture-resistant (MR) options, structural P5 boards, tongue & groove profiles, and special finishes or surface treatments (sealed surfaces, film layers, etc.) for boards like Egger Protect, Peel Clean Xtra, and more.
Experience the feel of a stronger floor! Shop our certified P5 and weather-rated stock today!
FAQ
How do I install sheet flooring?
The industry standard steps involve:
- Leaving the boards in the room to acclimatise.
- Clean and reinforce the subfloor for evenness.
- Lay out the boards in a staggered pattern to avoid the four corners meeting.
- Fasten the boards to joists or the substructure with an appropriate fastener
- Leave expansion gaps to account for humidity and temperature fluctuations
Use MR or sealed boards to protect against the risk of spills and dampness. Check the floor for flatness once done to prevent furniture from catching against bumps.
What board is used for flooring?
What is the best board for flooring?
The best board depends on what your priorities dictate, with regard to moisture resistance, strength, finish, cost, etc. For many floors, a P5 MR chipboard with tongue & groove is a great all-round choice. However, for wetter conditions or very visible finishes, a good quality plywood may be safer in the long run.
