For insulation foam board, latex paints adhere best. While only the entrance to the tunnel interior will be visible, the foam insulation board often comes in bright colors like pink or blue that can ...
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 ...