Subfloor Preparation

Flooring can be installed on concrete, timber, stone and many other sub-floors which have been suitably prepared, and is also appropriate for use with under-floor heating. It must not, however, be installed either externally or into unheated locations.

These guidance notes are intended to give general information on the methods that can be used to prepare various subfloor types. However, the selection of suitable materials, including smoothing and levelling compounds and any ancillary products is dependent upon the end use of the completed flooring, and must be agreed by the supplier of the preparative materials and the flooring contractor. Any proprietary materials used for floor preparation must be used in accordance with the manufacturers’ recommended instructions.

The finished appearance of an Amtico/Karndean floor will be as good as the quality of the base over which it is installed. The base should be hard, smooth, clean and dry and free from defects. The surfaces should be even in order to achieve good fitting and adhesion. Any irregularities in the sub-floor will show through the finished floor. The effective application of flooring is dependent upon suitable site conditions, which must comply with the requirements of the relevant national standards e.g. British Standard 8203.

All About The Preparation

Floor laying work should not begin until the installer has assessed and approved the sub-floor conditions. Serious defects should always be reported immediately to the appropriate authority and corrected before installing the floor covering.

The key to installing a quality new floor in most cases is subfloor preparation. Concrete and wood subfloors each have their own subfloor preparation procedures. We at Vera Flooring provide solutions for all situations.

Self-levelling smoothing compound screed is used for smoothing and preparing floor surfaces before applying the final covering. The compound can be used on common building substrates, such as sand or cement screeds and concrete and can also be used on floors that have electric under floor heating.
When you have floorboards, depending on which floor covering you are using you have options of plywood or hardboard to make a flat surface.

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