Installation Guide

Doc. ID: 127
Rev: 6
Effective: 3/29/2018
Page | 3
Perform a quick check by drawing a nail across the top; if it leaves indentation, it is probably light concrete.
For glue-down application, the concrete must possess shear strength greater than the glue. If concrete rated psi is unknown, contact the
adhesive manufacturer for guidance.
Concrete Moisture
All concrete subfloors should be tested for moisture content and the results documented. Visual checks are not reliable. Perform tests at
locations around exterior doorways, near walls containing plumbing, near foundation walls and in the center of the room. Minimum sample
size is 3 per 1000 square feet of area and one test for every additional 1000 square feet thereafter.
Its moisture content should meet one of the following criteria below: