Karndean Vinyl Flooring Installation Guide

 


Remove material from packaging, spread out and allow to condition in room where installation is to take place at a constant temperature of 18°-26° for a period of 24 hours prior to installation. This temperature should be maintained during installation, and for a 24 hour period after installation.

Sub-floors

Karndean products must only be laid driveway coating jacksonville on sub-floors where the moisture level does not exceed 75%RH when tested with a hygrometer in accordance with BS8203-4; 2001 (Installation of resilient floor coverings). Where readings above 75%RH are recorded it would be necessary to install a surface DPM (damp proof membrane), this applies to both new and old floors.

Concrete/Sand Cement Screeds (Old/Refurbishment)

With readings below 75%RH old floor covering and adhesive residues must be removed, the surface primed with Neoprene or PVA primer and a minimum 3mm of smoothing underlayment applied. Readings above 75%RH consult Karndean Flooring International for information relating to surface DPM requirements.

Power Floated Concrete

If readings with hygrometer are below 75%RH dense power floated floors would require abrasion prior to the application of a smoothing compound. (Abrasion can be either scarification or light shot blasting).

For readings above 75%RH the surface would still require abrasion before applying a surface DPM.

Quarry Tile/Mosaic/Terrazzo/Ceramics

After testing for dampness, if dry de-grease, rinse and abrade to provide key for a 3mm layer of smoothing compound. If after testing dampness is apparent, consult Karndean International.

Asphalt

Asphalt should be de-greased and the surface rinsed with clear water. The surface should then be primed with neat Neoprene or Epoxy primer, allowed to dry and a minimum 3mm smoothing underlayment applied.


Timber Floors


Tongue and groove

Floorboards should be well secured, loose Laminate Flooring boards firmly fastened, worn/broken boards replaced, undulations filled with a suitable smoothing compound prior to overlaying with 6mm ply, primed with diluted Neoprene or PVA primer.


Chipboard/MDF/Floating Floors/Weyrock

Overlay with 6mm ply fastened at 150mm centres and primed with diluted Neoprene or PVA primer.


Wood Mosaic Panel, Woodblock, Woodstrip

Remove any of these products if laid direct to earth/bitumen/pitch, these should not be overlaid with an impervious vinyl.




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