Foundation Footer

The foundation footer is the bottom building block on which your house rests. The purpose of the foundation foot is to spread the weight of the house across a wider contact area. The home foundation supports the full weight of the building and all the contents. Reinforcing steel is a must in concrete footings to help increase its strength.

R Value Meaning and Map

Using R value guidelines to upgrade your insulation is likely a smart move. R values, established by the U.S. Dept. of Energy for walls, ceilings, floors, and other areas of your home, are really minimum requirements. Check insulation R values recommended for your area on the map and table here. Increased insulation R value in your ceilings and wall insulation will bank extra energy dollars saved in no time!