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As with all textile floorcoverings it is essential that correct installation techniques, materials, accessories and tools be used if a trouble-free installation is to be achieved.
The following instructions will assist in saving time on the installation and avoid costly call backs to carry out any remedial work etc. Prior to fitting, the floorcovering should be unrolled and examined for faults.
Subfloor
Before laying the floorcovering the subfloor should be checked to ensure that it is in good condition to receive the floorcovering. The subfloor should be clean, free from contamination, smooth and free from indentations and ridges which could have an effect on the appearance and wear of the floorcovering.
When installing floorcoverings onto concrete or cementitious subfloors it is extremely important that the subfloor is dry and that the relative humidity is below 75%. This can be checked using a Hygrometer or other specialist instruments such as a Protimeter.
Moisture
Floorcoverings made from natural fibres readily absorb moisture and can change in dimensions. The fibres react to moisture in different ways, for example sisal and jute products tend to shrink. Coir, however, reacts to moisture by expanding which can lead to wrinkling and buckling. On drying, coir tends to shrink, thus causing seams to open up. Extreme care in preparation must therefore be taken
when installing these products.
Conditioning
Natural floorcoverings should be conditioned in the area in which they are to be laid for a minimum of 48 hours. It is recommended that the floorcovering is unrolled, laid out and cut to shape, but oversize by about 60mm to allow for changes in dimensions during the conditioning period. If site conditions do not allow for the carpet to be completely laid out it should be removed from any packing and loosely
rolled so that air can circulate through the product.
Installation systems
Crucial Trading recommends two basic systems of installing their range of natural floorcoverings:
1. Direct adhesion to the subfloor. More Info
2. Double-stick system over a firm dimensionally stable uniform thickness underlay e.g. e.g. Crucial Trading’s Double Stick Underlay, Duralay’s Durafit and Tredaire Technics products.More Info
The use of blank gripper fixed around the perimeter of the area enables a neat finish to be achieved.
