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Roofing Glossary: B

Roofing terms that begin with ‘B’

Our roofing glossary defines common roofing terms. Please let us know if we are missing any words!

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Back Surfacing

Granular material added to shingle’s back to assist in keeping separate during delivery and storage.

Base flashing
That portion of the flashing attached to or resting on the deck to direct the flow of water onto the roof covering.

Blistering
Bubbles or pimples in roofing materials. Usually moisture related. In shingles blisters are caused by either moisture under the material or moisture trapped inside the material.

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

Buckling
When a wrinkle or ripple affects shingles or their underlayments.

Built-up
A roof consisting of multiple layers of asphalt and ply sheets, typically flat or low slope.

Butt Edge
The bottom edge of a shingle’s tabs.