Heat, air, and moisture are the first bits of building science knowledge any aspiring high performance builder should master, writes Sam Hagerman of Hammer & Hand.
“The components of HAM must be understood in two ways,” Hagerman writes “First, heat, air, and moisture should each be understood on its own terms…Secondly, heat, air, and moisture should be understood in juxtaposition with one another.”
Read the full story on Hammer & Hand’s blog.