Middlesbrough & Teesside's Choice for Loft Storage 10-Year Guarantee NHBC Compliant
Premium Materials

18mm P5 Moisture-Resistant Loft Boards

We exclusively install high-density P5 structural-grade moisture-resistant interlocking boards designed specifically for the humid atmosphere of British loft spaces.

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Heavy-Duty Performance

Built to Last a Lifetime

Unlike standard DIY chipboard or flimsy thin plywood panels, our 18mm P5 flooring is manufactured with specialised water-repellent resin binders. Each panel features precision 4-sided tongue-and-groove joints that slot tightly together, creating a seamless, flush, and rigid floor.

  • P5 Moisture-Resistant Grade: Resists loft humidity and temperature shifts without swelling or warping.
  • Interlocking T&G Joints: Distributes weight smoothly between adjacent panels, preventing flexing or creaking.
  • Sustainably Sourced: Certified FSC-approved timber from responsibly managed British forests.
P5 Loft Boards Middlesbrough
Free In-Home Survey & Fixed-Price Quote

Ready to Transform Your Middlesbrough Loft?

Book your free survey today. Our local surveyor will inspect joists, check insulation depth, and provide a fixed-price written quote.