Technical information

Specification support

Technical detail,
made usable.

Compare P4 and P5, confirm pallet quantities and request the latest product or installation documents.

1220 × 320 × 18mmFitter-friendly format across both grades
P4

Dry interior applications

Structural loft board

Structural flooring performance for dry interior environments, in a format designed to rotate through tight access.

  • P4 flooring grade
  • 1220 × 320 × 18mm
  • 51 packs / 153 boards per pallet
View P4 product
P5

Humid interior applications

Moisture resistant board

Enhanced moisture performance for appropriate humid interior environments, with the same fitter-friendly format.

  • P5 moisture resistant grade
  • 1220 × 320 × 18mm
  • 51 packs / 153 boards per pallet
View P5 product

Product comparison

Choose the right grade.

Always follow the current project specification and latest Loftspan documentation. Ask the technical team if the environment or loading is unclear.

SpecificationP4 structuralP5 moisture resistant
Typical environmentDry interiorHumid interior
Board format1220 × 320 × 18mm1220 × 320 × 18mm
Pack quantity3 boards3 boards
Pallet quantity51 packs / 153 boards51 packs / 153 boards
Shade preferenceLight, medium, dark or fastest availableLight, medium, dark or fastest available
Primary useSpecified structural loft flooringSpecified structural flooring where moisture resistance is required

Document library

Latest technical documents.

Request the current controlled copy. This avoids specifying from an outdated download while the final PDFs are being prepared.

Before installation

Check the specification, structure and environment.

Board selection is only one part of a safe floor. Confirm joist condition and centres, loading, ventilation, storage and installation requirements with the responsible professional.

Ask a technical question