DeckingThe wood surface that supports the roof system and receives fasteners.
SubstrateThe base surface a roofing layer is installed over, usually decking.
Dry-inThe stage where underlayment and flashing protect the deck before final covering.
FeltAsphalt-saturated underlayment used as a secondary water-shedding layer.
Ice and Water ShieldSelf-adhering membrane for vulnerable areas such as eaves, valleys, and penetrations.
Drip EdgeMetal flashing that guides water off roof edges and away from fascia.
EaveThe lower horizontal roof edge where water commonly drains to gutters.
RakeThe sloped roof edge along a gable end.
ValleyThe channel where two roof planes meet and runoff concentrates.
Starter StripThe first edge course that supports and seals the first shingle course.
ExposureThe visible part of each shingle course after the next course is installed.
Nail ZoneThe manufacturer-defined fastening area on a shingle.
FlashingMetal or membrane used to move water away from penetrations and transitions.
Pipe BootFlashing around a plumbing vent pipe or similar roof penetration.
Ridge CapThe cap shingles or covering installed over the ridge line.
Wind UpliftWind force that can lift shingles when fastening, sealing, or deck attachment is weak.