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 ...
Adding more insulation than you need can lock in moisture by preventing air flow and do more harm than good. Before you add any insulation, be sure to seal gaps with caulk or spray foam from a can. It ...