National Wood Flooring Association Moisture Guidelines And Moisture Testing

Moisture testing for wood flooring and wood subfloors hand held electrical tools called moisture meters should be part of the toolbox of every flooring contractor for measuring moisture in subfloors and floors. Nwfa guidelines state that solid strip wood flooring should be within 4 percent mc of the subfloor and solid plank wood flooring should be within 2 percent mc of the subfloor. This is a general guideline that has proven to be a useful and acceptable tool for determining when it is ok to install wood.

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Nwfa Publishes Updated Flooring Installation Guidelines Floor Covering News

Documents

Nwfa Guidelines Introduction And Notice

Https Grafch Com Pdf Solid Install Pdf

Designing And Installing Radiant Floors With The 2019 Nwfa Guidelines Hardwood Floors Magazine

Mitigating Moisture In Hardwood Floors 2015 10 01 Floor Covering

Many wood flooring contractors believe that if they are conducting repairs on an existing wood floor and that existing wood floor has been performing well for several years there is no need to test for moisture.

National wood flooring association moisture guidelines and moisture testing.

Subfloors 21 testing concrete. I recently had a job to repair and extend an existing wood floor that had been installed in 1999. National wood flooring association tcnical lication. A high reading in one area indicates a problem that must be corrected.

These are the guidelines that reputable hardwood flooring installers will follow and adhere to. They would be wrong. National wood flooring association installation guidelines this link will take you to a current copy of the national wood flooring association installation guidelines. Moisture testing engineered wood flooring.

Test for moisture at several locations in the room a minimum of 20 per 1 000 square feet and average the results. Chapter 3 moisture testing 7 chapter 3 moisture testing part i moisture testing for wood subfloors a. 20 testing wood subfloors moisture mitigation over wood. Substrates calcium chloride test astm f1869 relative humidity probe test astm f2170 electronic meters astm f2659.