Tongue and Groove Floorboards 18mm x 119mm x 1800mm – Solid Spruce Timber Flooring Boards for Interior Replacement Flooring

• PRODUCT TYPE: Planed Tongue and Groove (PTG) timber floorboards for interior flooring and replacement projects.
• DIMENSIONS: 18mm thickness x 119mm width x 1800mm length (11/16in x 4 3/4in x 6ft approx).
• MATERIAL: Solid slow-grown spruce softwood, kiln-dried for improved stability and straightness.
• EDGE PROFILE: Traditional tongue and groove edges for tight interlocking floor installation.
• APPLICATION: Suitable for replacing floorboards and new interior flooring installations.
• INSTALLATION REQUIREMENT: End joints must be fixed over joists for structural support.
• TREATMENT: Untreated natural timber – ready for staining, sealing, varnishing or painting.

If you are looking for tongue and groove floorboards, these 18mm solid spruce boards provide a traditional timber flooring solution for interior replacement and renovation projects. Manufactured as PTG floorboards, they feature interlocking edges to create a secure and aligned fit across joists. These solid timber boards measure 18mm thick, 119mm wide and 1800mm long, kiln-dried to improve stability and reduce warping. The smooth planed surface makes them suitable for sanding, staining, sealing or painting to match existing interior flooring. Designed for spruce wood flooring, they offer a classic unfinished appearance suitable for period and modern homes. Suitable for interior use, these floorboards must be fixed over joists at end joints for correct structural support. The untreated finish allows full flexibility for custom finishing. Ideal for replacing damaged boards or completing new timber floor installations.