Problem Solving Forum
May 31 - June 4, 2021
What is the optimal moisture content for masonry before painting can begin?
Selected Answers
From
paarthiban balasubramaniyan of National Basics Company on
June 12, 2021:
New concrete must have a moisture content of 4% or ...read more
New concrete must have a moisture content of 4% or less before the coating application
commence.
Test for retained moisture in concrete as per plastic sheet method ASTM D4263 or by moisture meter or by calcium chloride dome test in ASTM F1869
