Foam board insulation is easy to use and a great DIY way to add some insulation. It comes in standard-size 4×8 sheets and smaller sizes, in thicknesses from 1/4-in. to two inches. Some types of ...
He devised a cheap, seamless solution anyone can do to insulate ... Related: Man Tears Down Bathroom Walls and Discovers Creative Insulation Apparently, rigid foam boards have something called an ...