- Asphalt shingle: A type of roofing material made of a fiberglass mat coated with asphalt and ceramic granules.
- Decking: The plywood or OSB board that covers the roof framing.
- Dormer: A structure that projects from a sloping roof and contains a window or other opening.
- Eave: The overhanging lower edge of a roof.
- Fascia: The horizontal board attached to the ends of the roof rafters.
- Flashing: Material used to prevent water from penetrating the roof at joints or intersections.
- Gable: The triangular portion of a wall between the edges of a sloping roof.
- Hip: The sloping external angle formed by the intersection of two sloping sides of a roof.
- Ice and water shield: A membrane installed on the roof decking to prevent water from penetrating at the eaves and in valleys.
- Joist: A horizontal structural member that supports the roof decking.
- Ridge: The highest point of a roof where two sloping sides meet.
- Rafter: A sloping structural member that supports the roof decking.
- Sheathing: The layer of material (usually plywood or OSB) that is installed on top of the roof rafters and under the roofing material.
- Soffit: The underside of the eave that extends from the fascia to the wall.
- Underlayment: A layer of material (usually felt or synthetic) installed between the decking and the roofing material to provide additional protection from water penetration.