Roofing Guides
Plain-English guides that go with the calculators.
2-minute roof checkRepair or replace? Nine quick questions
How to measure a roofFrom the ground or plane by plane
Your roofing estimate, explainedLine items, why bids differ, questions to ask
Hail damage roof inspectionSigns to check, hail sizes and inspection cost
Hail storm reports by stateRecent NOAA hail reports by county, updated from public data
Bundles for a 1,000 sq ft roofRoof vs house size, waste, starter and cap
Roof pitch vs slope vs angleConversions, plus the old rise-over-span meaning
Metal roofing on a 4/12 pitchMinimum slopes, panel length and details
Metal roof over shinglesWhen code allows it, what it saves, how it is installed
Shingles over old shingles?Layover vs tear-off: code, cost, warranty
How to find roof pitchTwo easy methods, plus from the ground
Roof pitch examplesLow, conventional and steep compared
Roofing material choicesCost, lifespan, weight and minimum pitch
Roofing nails and fastenersWhich fastener for which job
Roofing nail sizeWhat length nail to use
Roofing terminologyA glossary of roofing terms
Roof replacement costWhat drives the price, with 2026 ranges