Glossary of Roofing Terms

• Rake Edge - The vertical edge of gable style roof planes.

• Gable Roof - Traditional roof style; two peaked roof planes meeting at a ridge line of equal size.

• Drip Edge - An installed lip that keeps shingles up off the deck at edges, and extends shingles out over eaves and gutters, and prevents.

• Gable Roof - Traditional roof style; two peaked roof planes meeting at a ridge line of equal size.

• Deck - The substrate over which roofing is applied. Usually plywood, wood boards, or planks.

• Felt - Heavy construction paper coated or impregnated with tar.

• Ridge - The horizontal line formed by the juncture of two sloping planes, especially the line formed by the surfaces at the top of a roof.

• Ridge Vent - Hard plastic ridge vent material.

• Valley - Area where two adjoining sloped roof planes intersect on a roof creating a "V" shaped depression.

• Flashing - Materials used to waterproof a roof around any projections.

• Hip - The down-slope ridges on hip roofs.

• Under Eave Vent

• Eave - The roof edge from the fascia to the structure’s outside wall. In general terms, the first three feet across a roof is termed the eave.

• Waterprofing/Underlayment  - Asphalt based rolled materials designed to be installed under main roofing material to serve as added protection.

For a complete glossary of roofing terms, click here.

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