Test Moisture Content Of Wood For Hardwood Floors

A good rule of thumb is that the subfloor moisture content should be within 3 4 percentage points of the flooring to be installed before proceeding.

Test moisture content of wood for hardwood floors. Because wood is an insulator and water is a conductor. At the time of installation as the installer you should know the moisture content of the wood flooring the moisture condition of the substrate and the ambient conditions in the space. This helps you know whether wood is too wet or dry and by how much. In most cases your installation will probably in a zone with rh values between 40 and 45.

First the meter has a broad moisture detection range in wood from 5 to 60. Measuring moisture in wood flooring. Flooring installers must know the moisture content of the wood flooring as well as the subfloor. Pin meters use electrical resistance to measure the presence of moisture in wood flooring.

Hardwood floors are typically milled at about 6 7 percent moisture and they can get up to 10 percent without significantly changing form. The normal moisture content of wood or emc varies from 7 19 depending on the rh in the air. The determination of moisture content is an essential part of quality control within the flooring installation process. For woodworkers who build cabinets fine furniture musical instruments dishes toys decorative art boat restoration or various other wood products the acceptable wood moisture content normally ranges from 6 to 8.

If any of these warning signs are present the wood floor should be checked with a wood moisture meter as soon as possible. In many types of hardwood flooring excess moisture can cause the wood to appear slightly darker than it should be. Pinless meters use electromagnetic radio frequencies to scan hardwood floors to a fixed depth. Moisture testing for wood flooring and wood subfloors.

Splotches of darker wood can be an indication that there is moisture in the wood. However in some coastal areas the average rh is in the 58 to 63 range. One of the oldest ways to measure the moisture content of any hygroscopic material is the oven dry test. You will want to make sure that the moisture level of your flooring is within 2 4 percent of the moisture level of your subfloor.

Flooring specialists should test several areas of a wood subfloor to be certain conditions are acceptable for the final flooring installation. Determining moisture content is an essential part of quality control within the flooring installation process. This test has two methods described in astm d4442 method a and method b the primary scientific test and the secondary method respectively.