The horizontal, lowest edge of a sloped roof that extends beyond the exterior wall.

Additional layer of roofing material applied at the eaves to help prevent damage from water backup.

Boards nailed along eaves and rakes after cutting back existing wood shingles to provide secure edges for reroofing with asphalt shingles.

An extension of a building at right angles to its length.

Application of roll roofing in which all nails are driven into the cemented, overlapping course of roofing. Nails are exposed to the weather.

Type of plywood approved by the American Plywood Association for exterior use.