This ruler, when assembled from its three sections, is ideal for measuring the depth of attic insulation for purposes of energy efficiency and temperature regulation. It measures to 24 inches, or two feet, in total. This printable ruler is convenient when you don't have measuring tools on hand, or do not want to dirty a typical ruler. Check the Department of Energy website or local building codes for recommended depths in your area. Please make sure to print at 100% or actual size so the rulers will stay true to size.
