Moisture Testing

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Excessive moisture in a room can cause problems with your wood flooring. The wood can absorb the moisture and swell or buckle. Sometimes if the room has too much moisture in it when the flooring is fitted, then the flooring may develop gaps in the joints as the wood dries out over time.

It is a good idea to test the moisture levels in the room before fitting your floor. Most manufacturers recommend testing before fitting to ensure your floor gets the best possible start.

There are two main types of moisture meter. Probe and pin less. Probe meters have pins that are pushed into the surface to be tested and measures the resistance between the pins. The lower the resistance, the higher the moisture content. Pin less meters don’t leave any holes or damage and work bypassing a signal into the surface to be tested.

The ideal levels of moisture for a wooden floor can vary according to manufacturer, and it is always best to check the guidelines to make sure.

As a general rule the moisture content of a floor covering should be within 2-3% of the content of the sub floor. Ideally the sub floor should have a relative humidity of 35- 40% and moisture content of 2-3% but sometimes levels can be acceptable up to 5% moisture content and 75% relative humidity.

It is good practice to record these levels when laying the flooring as if any problems present themselves later on, you can refer back to these numbers to rule out moisture issues at fitting.

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