18mm P5 Moisture Resistant T&G Chipboard Flooring 2400 x 600mm

Norbord 18mm P5 Moisture Resistant T&G Chipboard Flooring 2400 x 600mm is a high-density, structural-grade floor panel engineered for both domestic and light commercial applications. Manufactured by Norbord (CaberFloor, now part of West Fraser) and certified to BS EN 312 P5 and EN 13986, it combines reliable moisture resistance with fast, secure installation — making it the go-to subfloor board for UK tradespeople and self-builders alike.

Key Features and Specifications

• Dimensions: 2400 x 600 x 18mm (approx. 8′ x 2′)
• Grade: P5 moisture-resistant structural particleboard
• Profile: TG4 — tongue and groove machined on all four edges for a tight, interlocking joint
• Moisture resistance: Melamine-fortified resin core; retains structural strength when exposed to intermittent dampness (moisture resistant, not waterproof)
• Maximum joist centres: 450mm for 18mm thickness in domestic installations
• Certifications: FSC-certified timber; CE marked; conforms to EN 312 and EN 13986
• Surface: Smooth sanded face — accepts all standard floor coverings including carpet, vinyl, and engineered wood
• Fixing: Screw or nail to joists; use D4 adhesive in tongue and groove joints for a silent, creak-free floor
• Floating floor use: Can be glue-jointed and laid over concrete screed or floor insulation without fixing to joists

Applications

• Suspended timber floor subfloor in new-build houses and extensions
• First-fix flooring in loft conversions — narrow 600mm width aids handling in tight spaces
• Renovation and refurbishment projects replacing worn floorboards
• Kitchens, bathrooms, and utility rooms where occasional moisture exposure is expected
• Floating floor installation over concrete, screed, or thermal/acoustic insulation slabs
• Timber-frame and modular construction projects

Why Choose This Product

The Norbord CaberFloor P5 is one of the UK’s most widely specified moisture-resistant chipboard flooring panels, trusted for its consistent board quality, structural performance, and ease of installation. The TG4 profile on all four edges eliminates the need for intermediate noggins, speeds up laying, and — when used with a suitable D4 adhesive — produces a silent, squeak-free floor. FSC-certified sourcing and compliance with European low-emission standards make it a responsible choice for both trade and domestic projects.

Delivery in and Around London

We deliver the 18mm P5 Moisture Resistant T&G Chipboard Flooring 2400 x 600mm to London boroughs including Croydon, Lewisham, Southwark, Camden, and Hackney, as well as Greater London areas such as Enfield, Bexley, Redbridge, and Barnet. We also supply to the surrounding counties of Kent, Essex, Surrey, and Hertfordshire. Trade quantities and full-pallet orders are welcome — contact our team for volume pricing and scheduled site deliveries.