Moisture 

Testing

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Moisture is the most common cause of failure in hard flooring such as luxury vinyl tile and wood. Moisture in a concrete subfloor is not usually an issue unless an impervious flooring is installed which stops vapour from escaping. Once vapour builds up it will eventually force its way up through the flooring which will start to look something like this:

In every case the flooring will need to be completely removed and replaced. Whilst it is the responsibility of the flooring installer to check for moisture, tests are often not carried out. The inconvenience and upheaval of having your flooring replaced is massive which is why we carry out a moisture test on every job that requires it. If your subfloor contains moisture it can be coated with an epoxy resin liquid damp proof membrane which won't allow moisture to pass through. Below is an example of a typical installation on a damp floor - after removing the existing flooring the concrete below was covered in adhesive residue and bits of underlay which were glued down. The concrete was ground back to create a clean surface for the liquid damp proof membrane to adhere to. Once applied and left to dry it was covered with a smoothing compound ready for flooring to be installed.

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We are able to offer moisture testing to a third party if required, such as a builder who is installing flooring for their customer but is unsure if the subfloor contains moisture. We can identify the exact composition of the subfloor and offer advice on the best way to proceed.

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Mon - Fri: 8am - 6pm

​​Saturday: 8am - 4pm

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