The document defines and describes various construction materials and components used in building including:
- Air barriers which provide backup protection for exterior siding and allow water vapor to escape wall cavities.
- Attic ventilation components like soffit vents, ridge vents, and gable vents which allow water vapor and air flow to regulate attic temperature.
- Construction equipment like backhoes which have digging buckets on articulated arms, and bulldozers which push soil to smooth surfaces.
- Framing elements, plumbing components, windows, doors, insulation materials, and other items important to building construction.