Most home owners in Oklahoma have heard it before, you need more insulation! If you are not currently residing under an attic with 11 to 13 inches of the stuff, it is true that you could benefit from more, but
Some common ventilation myths that misinformed contractors are guilty of spreading are: -You can add ridge vent to the existing ventilation system. No. Mixing different types of vents can cause indefinable draft patterns that interrupt the free flow of air.