Below is a list of the different parts of a roof.
Dormer – The structure that projects out of the slope of the roof usually surrounding a window.
Roof Truss – The frame of the roof that supports the deck of the roof.
Rafters – The rafters are the wooden beams that the deck of the roof is nailed into. Rafters are part of the roof truss.
Decking and Sheathing – The decking or sheathing are the wooden panels that cover the rafters and which the roofing materials such as the shingles, tiles, or metal panels are attached to.
Roofing Underlayment – The underlayment is an additional layer of roofing material usually made up of heavy tar paper that the shingles, or other roofing materials are attached to. Roofing underlayment is an additional layer of waterproofing protection.
Drip Edge – metal edging that is placed at the edge of the roof allowing the water to run and drip off the edge of the roof avoiding the structure.
Fascia – Wood used to cover the end of the rafters on the edge of the roof. The metal and gutters are attached to the fascia.
Soffit – Underside of the eaves. Covers the area from the underside of the eaves to the house.
Valley – The intersection of to sloping roofing panels.
Hip – External angle of two sloping roofing panels.
Gable – Triangle shape area at the end of the structure underneath the roof and above the main part of the structure.
Ridge – The highest area of the roof the joins two slopes.
Flashing – Pieces of metal that is used to prevent the seepage of water at roof intersections.
Starter Strip – Asphalt roofing at the eaves that provides protection by filling in the spaces under the cutouts and joints of the first course of shingles.
Modified Bitumen Roofing Membrane