A - E| F - I | J - O | P - Z         Asphalt Drip Edge   Blistering Downspouts   Blow-offs Eaves   Decking

Asphalt: A waterproofing agent used in various types of roofing materials. Also, asphalt plastic cement is used to seal and adhere roofing materials (also called mastic, blackjack, roof tar or bull).

Blistering: Bubbles or pimples in roofing materials, usually moisture related.

Blow-offs: When shingles are subjected to high winds and are forced off a roof deck.

Decking: The plywood, wood boards or planks which roofing is applied. (see also OSB and sheathing)

Drip Edge: An installed lip that keeps shingles up off of the deck at edges and extends shingles out over eaves and gutters to prevent water from backing up under shingles. (also see metal edge)

Downspouts: The drain or trough for a gutter to run into to move water away from the house.

Eaves: The roof edge from the fascia to the structure's outside wall. The first three feet across a roof is termed the eave.