This visual dictionary defines and describes various construction terms and materials. It includes definitions of air barrier paper, attic ventilation components, backhoes, batter boards, brick arches and bonds, building codes, concrete joints, concrete masonry units, doors, electrical components, framing elements, front end loaders, gypsum board, heat pumps, insulation materials, lintels, mortar joints, oriented strand board, plumbing fixtures, plywood, rebar, roof drainage components, roof materials, roof shapes, roof terminology, stone types, vapor retarders, waterproofing, weep holes, welded wire fabric, and window types. Diagrams and specifications are provided for many terms.