Edmonds Roofing Contractor

Glossary

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Natural gas vent

Vent used to exhaust any natural gas unit.

Nesting

A method of re-roofing with new asphalt shingles over old shingles in which the top edge of the new shingle is butted against the bottom edge of the existing shingle tab.

New construction

Installing a roof system on new construction.

No-cutout shingles

Shingles consisting of a single, solid tab with no cutouts.

Non-prorated warranty

A warranty which provides full replacement costs for the item(s) covered during the full term of the warranty. In contrast, a prorated warranty merely reimburses a percentage of original costs, depending on the depending on how many years the roof’s been in service.

Non-veneer panel

Any wood based panel that does not contain veneer and carries an APA span rating, such as wafer board or oriented strand board.

Normal slope application

Method of installing asphalt shingles on roof slopes between 4 inches and 21 inches per foot.