Header Bond: Each system is composed entirely of headers (brief side dealing with the front). It’s frequently used in partitions that are 1 brick in thickness. Most insulated properties that use concrete block, brick, adobe, stone, veneers or some mix thereof feature inside insulation in the shape of fiberglass batts https://ewr1.vultrobjects.com/blissdrive/westhillmasonry/Hardscape-Contractors.html