This visual dictionary defines and describes various construction materials and building components. It provides information on air barriers, attic ventilation components, backhoes, batter boards, brick arches and bonds, building cladding, code requirements, concrete joints, electrical components, framing elements, insulation, lintel, mortar, plumbing fixtures, rebar, roof drainage, roofing materials and shapes, stone patterns, vapor retarders, waterproofing, weep holes, and window types. Definitions include functions, typical dimensions, and illustrations.