Moisture Control Sub Flooring Plywood

The plank wood floor mc measured 6 to 7 meaning that per the installation guidelines the subfloor mc range need to be between 8 to 9 not 11 to 13.

Moisture control sub flooring plywood.

Ideally it should be between 7 and 9. First test the moisture level of the subfloor. Floor joist gorilla glue pier and beam sub floor. To determine if your hardwood floors need to be acclimated you can use a wood floor moisture test.

In general 12 moisture or above is too wet to install flooring. For all flooring except the toughguard ii installation system armstrong flooring recommends an additional 1 4. The average moisture content of framing members and subflooring should be below 12 14 before delivery of the flooring. Here are the readings.

Solid flooring generally takes 10 14 days to acclimate and then check and see if the moisture level of the floor is between 6 9. When determining the acceptable moisture levels in wood flooring before installation the nwfa states that the flooring professional should establish a baseline for acclimation. When installing directly over wood subfloors the moisture content of the subfloor should be13 or less. 2 for plank 3 wide or more hardwood and 4 for strip 2 wide hardwood.

The chipboard will last for a shorter time than plywood in similar conditions as in the end the small chips will expand by absorbing moisture and will crumble. For sub floors both materials should be treated from the manufacturing process. Not 12 to 14 is ok. Moisture contents above 12 14 can cause moisture related problems note.

All types of subflooring should have some sort of vapor retarder barrier installed to block moisture from seeping up from the subflooring into your new hardwood flooring. Apa rated sturd i floor panels can be manufactured as conventional plywood as a composite or as oriented strand board. Then the hardwood flooring moisture content must be within 2 4 of the subfloor moisture. The national wood flooring association nwfa has specific installation guidelines for wood flooring and how they relate to moisture content.

When receiving wood flooring the customer is to acclimate the floor to the environment. We recommend following the nwfa s guidlines for acclimation. What difference would a moisture barrier make. The key to minimizing moisture from your subflooring is to make sure to use the appropriate vapor barrier in conjunction with understanding the specific moisture issues your subflooring may display.

That is the moisture level percent for most regions. Floating floors lvt cork laminate hardwood ceramic vinyl i personally feel subfloors over 13 moisture content will have to much movement for the floating floor to accommodate. There were many areas within the subfloor ranging from 11 to 13 moisture content with ambient conditions ranging from 42 to 48 rh and 72 degrees f. It says below 12 to 14.