Roofing terms that begin with ‘N’
Our roofing glossary defines common roofing terms. Please let us know if we are missing any words!
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Nail Guide Line
Painted line on laminated shingles, to aid in the proper placement of fasteners.
When a nail is not fully driven, it sits up off the roof deck.
Installing a second layer of shingles aligning courses with the original roof to avoid shingle cupping.
Shingles consisting of a single, solid tab with no cutouts.
The National Roofing Contractors Association. Respected national organization of roofing contractors.