SKU: 74209323545

P5 Tongue and Groove Chipboard Flooring 22mm x 600mm x 2400mm

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Description

P5 Tongue and Groove Chipboard Flooring 22mm x 600mm x 2400mmP5 tongue and groove chipboard flooring is a moisture resistant structural panel board manufactured to EN 312 P5 standards, designed for use as a walking deck over timber joists on upper floors, ground floors, and loft conversions. Available in 18mm and 22mm thicknesses in 600mm x 2400mm sheets. Specifications Material Chipboard (particle board) Grade P5 to EN 312 Treatment Moisture resistant binder throughout Profile Tongue and groove on long edges

P5 tongue and groove chipboard flooring is a moisture-resistant structural panel board manufactured to EN 312 P5 standards, designed for use as a walking deck over timber joists on upper floors, ground floors, and loft conversions. Available in 18mm and 22mm thicknesses in 600mm x 2400mm sheets.

Specifications

Material Chipboard (particle board)
Grade P5 to EN 312
Treatment Moisture-resistant binder throughout
Profile Tongue and groove on long edges
Nominal Size (18mm) 18mm x 600mm x 2400mm
Nominal Size (22mm) 22mm x 600mm x 2400mm
Finish Sanded face

What it's used for

  • Upper floor decking laid over timber joists in new-build and renovation projects
  • Loft conversions where a solid, load-bearing floor deck is required
  • Ground floor construction over joists where moisture during build is a concern
  • Mezzanine floors and timber frame construction requiring a structural walking surface

Fitting and handling

Store boards flat and off the ground, under cover, before installation to prevent moisture uptake from the slab or ground beneath. Apply PVA or flooring adhesive to the tongue and groove joint before tapping boards together, then fix through the face or secret-nail through the tongue at each joist, using ring-shank nails or screws at no more than 300mm centres. Leave a 10mm expansion gap around the perimeter of the room before laying any finished floor covering such as carpet, laminate, or vinyl.

FAQ

What is the difference between P5 and standard chipboard flooring?

P5 chipboard is manufactured with a moisture-resistant resin binder, making it significantly more tolerant of site moisture during construction than standard P4 or plain chipboard. It is less likely to swell at the edges if exposed to temporary dampness, though it is not waterproof and should not be left permanently wet.

Should I use 18mm or 22mm P5 chipboard for my floor?

For most domestic upper floors with joists at 450mm centres, 18mm is generally sufficient. Where joists are at 600mm centres, or where the floor will carry heavier loads such as in a loft conversion used as a habitable room, 22mm is the recommended choice for additional stiffness and load distribution.

Can P5 chipboard flooring be used in a loft conversion?

Yes. P5 tongue and groove chipboard is widely used in loft conversions across the UK as the structural floor deck. The interlocking T&G profile spreads loads across adjoining boards and reduces squeaking over time, making it well suited to habitable loft rooms. Always check that your joist sizing and spacing meet building regulations for the intended use.

Nottage Timber Merchants supply P5 tongue and groove chipboard flooring from stock in Bridgend, South Wales, with next-day delivery available across South Wales. For additional boarding products, browse our full range of subfloor and loft boards. Trade quantities and cut-to-order enquiries welcome, call us direct.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 74209323545

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4.6 ★★★★★
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a customer
Phoenix, US
★★★★★ 5
My dog loves these toys.
Size: Mini, Color: Gator (Pink)
Not a huge toy, nor is my dog. But we have lots of goDog toys. Practically indestructible and my dog likes to carry these in his mouth and bring them onto the foot of our bed. Brilliant colors and good squeaker but my dog is afraid of the squeak. Fair value for cost.
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Reviewed in the United States on June 10, 2026
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University Doc
Lowell, US
★★★★★ 5
Our XL dogs love them. Highly recommend it!
Size: Mini, Color: Gator (Pink)
Our XL dogs love this! Highly recommend them! Highly recommend. Not for aggressive chewers but our big dogs don't destroy their toys. They cherish them. Great for play and cuddling. Not to loud either. Very cute.
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Reviewed in the United States on May 13, 2026
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Valhalla49
Charlottesville, US
★★★★★ 5
When they said strong...
...they weren't kidding. Our pup would chew through everything she could get her sharks teeth into. Like my arms. Nothing lasted as long as a week or maybe two. But she has had Dino for months now. She loves him. He is the go to toy for when she wants to play tug. The material used to make this toy is every bit as strong as the seller claims. I will definitely buy from them again. And I will not wait for this one to rip. I may be waiting a long time. If your pup likes to tear stuff apart, feel safe in buying this toy, UPDATE: 2/9/2023 Dino finally succumbed to the torture. His back ripped open and despite trying to repair him with ordinary thread he couldn't withstand the pressure, His stuffing was removed and spread all over the living room. Completely emptied he is still a good toy. Strong enough to withstand the forceful play of tug-o-war. Only thing I would suggest is to use something stronger when closing his back. The rest of him is great. I will be replacing him soon.
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Reviewed in the United States on January 30, 2023
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Rachel
Massapequa, US
★★★★★ 4
Not so tough
Size: Mini, Color: Gator (Pink)
I bought this because I dog sit. The dog chews up every. Single. Toy. So I bought it since it was cheap and it can be in the “chunk” (the dog’s name) toy box. It is not durable at all. He tore it up just as fast as a cheaply made toy. Chunk LOVES it! He would not stop playing with it. He loves the squeakers, it is a perfect size for him to throw it up in the air and chase it, and he loved ripping the legs off. It is good for my husband and I because there is little to no fluff. However, it is the perfect size to drop behind the couch and not be able to get. So once he drops it behind the couch, he won’t get it until morning. Now for my dog’s rating. My dog loves this toy too. He is much more gentle with toys (he has $5 Walmart toys we bought him back in 2020 in perfect condition that he plays with them every day). Before Chunk came over for the weekend, my dog Ted played with this. Ted is a larger small dog and chunk is a smaller small dog. And it is still the perfect size for both dogs.
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Reviewed in the United States on April 26, 2026
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Verified Purchase
Scott T
New York, US
★★★★★ 5
Tough
Size: Large, Color: Dinos Frills (Pink)
Tough dog toy that's held up through multiple washes! My dogs love the squeaker. They are not destructive chewers so I can't really say how it would hold up with that kind of dog though.
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Reviewed in the United States on June 8, 2026

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