Tile - Floor installation advice

Tile - Floor installation advice for the professional

General: Plexwood is composed of end grain wood and wood with the grain, the processing differs from other groove and slip tongue tile flooring

Acclimatization: Allow Plexwood to acclimatize under the conditions it will be used in

Products: Plexwood is a combined product composed of end grain wood and wood with the grain, therefore not all glues, fillers and finishers that are regularly used for wood are also suitable for this type of wood structure, run a test if necessary

Sub-floor: Inspect the sub-floor following the checklist below, delay work if necessary

Intermediate floor: In some cases Tile can be installed as a floating floor, possibly in combination with an intermediate layer of sound proofing material, and if necessary an intermediate floor can be installed, for instance a sub-floor of at least a high density chipboard, in any case, ensure a proper attachment to the sub-floor

Expansion joint: An expansion joint is necessary

Laying pattern: Determine the pattern to be laid, taking the incidence of light into account

Fixation: If desired, for example adhesive film (follow the processing advice)

Processing: Cover floor with protective foil, then, to begin, saw a number of Tiles in random lengths or halves, and start a band in flying bond, set out a chalk line, and install Tiles alongside this line using the tongue and groove system or the provided slip tongues

Oil/wax: Make the floor dust free, apply the oil in the length of the Plexwood using a stainless steel taping knife, work in straight bands with a sharp edge, rub each edge immediately with a white pad, scrub off excess oil (pay particular attention to the bevelled edges), if necessary oil and rub the floor again, after the drying period the wax is applied in narrow bands, which are rubbed in wider until the floor has an even gloss, allow rubbing pads to dry in ventilated area

Varnish: Make the floor and expansion joint dust free, apply a thick layer with a mohair roller, work in wet-on-wet overlapping bands of 1.5 meters wide, in the length direction of the Plexwood, divide in the width and roll out overlapping in the length, keep a sharp edge on the band, use a brush along the walls, after drying period do intermediate sanding with 80-grit and spread a thin varnish layer, when this is dry finish varnish off with a roller and brush

Checklist inspection sub-floor according to DIN 18365, sub-floor check for parquet floors

Levelness: Measured according to NEN 2741 with a levelling beam of 2 meter, the maximum deviation allowed is 0.4 % of the levelling beam

Cracks: Assess visually

Moisture content: Measured according to the carbide method
In sand cement covering floor/concrete floor ≤ 2.0 % (regular) ≤ 1.8 % (with floor heating)
With anhydrite flooring ≤ 0.5 % (regular), ≤ 0.3 % (with floor heating)

Firmness: Assess using an RIRI apparatus or steel wire brush

Roughness: Assess visually

Expansion: Assess visually

Pollution: The floor must be clean, dust and oil free, assess visually

Vertical deviation: Measure in comparison with adjacent building components

Temperature sub-floor: Must be between 15 - 28 ºC, measure using electronic infrared temperature sensor (for example Gann IR-40)

Temperature environment: Must be ≥ 15 ºC, ideally between 18 - 20 ºC, measure using electronic infrared temperature sensor (for example Gann RF-T)

Relative atmospheric humidity: Must be between 50 - 65 %, measure using electronic hygrometer (for example Gann RF-T)

Floor heating: Surface temperature of the sub-floor can be 28 ºC at most (supplementary heating), ask for the heating protocol, preferably installed according to the spiral casing principle

Pipework: The heating pipes must be a minimum of 30 mm below the top of the sub-floor

The brand name Plexwood® is registered and the product is protected

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