| A | B |
|---|
| Felt | A tar-impregnated paper used for water protection under roofing and siding materials. |
| Floor Joists | Horizontal structural members used to carry the floor and ceiling loads. |
| Header | A horizontal structural member used to support other structural members over openings such as doors and windows. |
| House Wrap | Engineered materials designed to keep out liquid water and prevent air infiltration while allowing water vapor to escape from inside the home. |
| Insulation | Material used to restrict the flow of heat, cold, or sound from one surface to another. |
| Sheathing | A covering placed over exterior studs or rafters that serve as a base below the exterior finish materials. |
| Siding | Material, such as boards or shingles, used for surfacing the outside walls of a frame building. |
| Sill | A horizontal wood member placed at the bottom of walls and openings in walls. |
| Solar Orientation | Consideration of the solar orientation of a building based on the relative position of the sun in order to purposely increase or decrease the amount of light or heat transferred to the building. |
| Source Reduction | Reducing waste by changing patterns of production and consumption. |
| Stud | The vertical framing member in frame wall construction. |
| Subfloor | The structural floor joined to the joists that support the finish flooring. |
| Sustainability | Meeting the needs of society in ways that can continue indefinitely into the future without damaging or depleting natural resources. |
| Top Plate | A horizontal structural member located on top of the studs used to hold the wall together. |
| Truss | An assembly of structural members joined to form a rigid framework, usually connected to form triangles. |
