Dyerich
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Dyerich Installation

Wood flooring should never be stored outdoors, directly onto concrete for a long period of time, in a garage or in any damp conditions. Care should be taken to store the wood flat, packs should never be leant against a wall.

The wood should be left in its packaging until you are ready to lay the floor for a minimum of 5 days to ensure that the wood is acclimatized to the room conditions.

The optimal humidity range for hardwood flooring is between 40 and 45% throughout the year. Temperature should be maintained at about 18 degrees Celsius.

In new constructions, the property should be fully enclosed to outside elements (roof, doors and windows installed etc.). All wet trades (plumbing, plastering, painting etc.) should be completed and dried out. Where a new concrete slab has been laid, the dried moisture content must not exceed 5% and the humidity level of the building must not exceed 45%.

Because of wood being a natural material with a tendency to expand and contract, avoid areas that are humid and that could present water entry problems, e.g. bathrooms and enclosed kitchens.

The floor should be laid by secret nailing to a wooden sub-floor or battens. Alternatively it can be laid by secret nailing onto dry, exterior grade plywood.

It should also be remembered that the floor layer is the last person to inspect the flooring.

Care should be taken to ensure that a balance is maintained when laying out the floor; any pieces that are suspect should not be laid. A waste factor of 5 to 10% should be taken into account.

Leave a minimum 10mm expansion gap around the perimeter of all laid areas. The gap will be hidden by skirting board and or scotia. The first row of planks must be absolutely straight from one end of the room to the other. To achieve this use a chalk to mark a line. The width of the board you are using plus minimum 10mm away from and parallel to the wall that you are starting from. Select your planks with care. The straightest plank should be used for the first and second rows. Lay the tongue edge of the plank on the chalk line leaving enough expansion gap and face nail the first row using shank floor nails into pre-drilled holes. Measure and cut the required length to finish the first row. The plank selected to finish the end of the first row must be long enough to yield a cut piece long enough to start the next row (minimum length 150mm ) also making sure that the ends do not align.

The subsequent rows can be secret nailed into the tongue by use of a hardwood floor nailer.

Control of humidity remains an important factor in preserving the wood’s appearance and form. It is therefore important to maintain a stable humidity level all year round. The appearance of spaces between the boards indicates a drying out of the wood and insufficient degree of humidity. Heating systems may have to be utilized throughout the year to maintain the correct humidity level. The installation of a humidifier or air exchange system can prove indispensable in controlling humidity.

Above all, don’t forget that wood is living material and that we must look after it for life.
A proper maintenance program should always be carried out.