Dictionary

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r
Rake

The sloped edge of a roof at the first or last rafter.

Rake

The slope of a roof; the sloping edge on a gable roof that may be covered with a barge board, or verge board.

Rake Edge

The sloped edge of a steep roof.

Re-covering

The process of covering an existing roofing system with a new roofing system.

See also: Re-roofing
Re-roofing

The process of re-covering or replacing an existing roofing system.

See also: Re-covering
Reglet

A groove in a wall or other surface adjoining a roof surface for use in the attachment of counterflashing.

Reinforced Membrane

A roofing or waterproofing membrane reinforced with felts, mats, fabrics or chopped fibers.

Ridge

The point on a double-sloping roof at which the rafters meet the ridge pole.

Ridge Vent

A passive air venting device installed along the ridge of the roof allowing air and moisture to vent out of the attic space.

Ridging

An upward, tenting displacement of a roof membrane, frequently occurring over insulation joints, deck joints and base sheet edges.

Roof Sump

A roof drain installed on a flat roof.

Roof System

A system of interacting roof components (not including the roof deck) designed to weatherproof and, normally, to insulate a building's top surface.

Roof Vents

Sometimes called Can Vents. On a steep roof, these are usually provide for an 8" vent opening and are installed near the high point of the roof.