Reference
The library.
145 InterNACHI articles. Search, open a chapter. Roofus has the same list.
Before you climb
Ladder, weather, and whether you can walk it. · 9
Roof style & framing
Name it before you sell the squares. · 4
Hail
How to tell functional damage from a scuff. · 12
Wind
Creased tabs, missing tabs, and failed seal strips. · 6
Asphalt walk
Age, layers, nails, and wear on composition shingles. · 55
Flashings
Kickout, step, counter, valleys. · 6
Penetrations
Pipes, boots, chimneys, skylights. · 5
Drainage
Drip edge, gutters, ice dams. · 2
Underlayment
What’s under the shingle. · 5
Inside the attic
Stains, ventilation, and moisture that isn’t a leak. · 5
Metal
Dents, fasteners, and rust. · 10
Tile
Walk the pans, not the barrels. · 6
Slate
One broken slate is not a roof. · 13
Wood
Cupping, rot, moss, fire. · 7
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