- Hail size chartHail size chart: coins, balls and inchesThe National Weather Service hail size chart in inches (pea, penny, quarter, golf ball, baseball, softball and more), what counts as severe hail, the US record hailstone, and what each size typically does to a roof.
- Hail damage thresholdsWhat size hail damages a roof?Published hail damage threshold sizes for asphalt shingles, wood shingles and shakes, tile, slate, metal and flat roofs, plus the factors (age, hail density, wind, slope, temperature) that move them.
- Roof inspectionHow to identify hail damage on a roofSigns of hail damage on asphalt shingles and other roofs: bruises, fractures, displaced granules, soft-metal dents and spatter marks, how test squares work, and the defects that are often mistaken for hail.
- Radar hail dataWhat is MESH (Maximum Estimated Size of Hail)?How NOAA's Maximum Estimated Size of Hail (MESH) radar product works, its resolution and update cadence, how accurate it is compared with ground reports, and how Hail Pro uses it for hail maps.
- Storm restoration playbookHow to find hail-damaged roofs after a stormA step-by-step playbook for roofing contractors: pick the storm on a hail map, prioritize homes by hail size and roof age, canvass and mail owners, document damage, and follow the contractor rules that apply in hail states.
- Roof permitsDo you need a permit to replace a roof?When a roof replacement needs a building permit, what the International Residential Code says about re-roofing and roof-overs, the Florida 25% rule, Texas unincorporated areas, and how to check your local requirement.
- Roof ageHow to find out how old a roof isThe reliable ways to date a roof: re-roof permit history, assessor year built, Florida's legal definition of roof age, impact-resistant shingle labels and owner records, plus how long each roofing material typically lasts.
- Insurance claimsHow a hail damage roof insurance claim worksThe steps of a hail roof claim, filing deadlines in Florida, Texas and Colorado, ACV vs RCV and recoverable depreciation, percentage wind/hail deductibles, roof-age rules, and the contractor laws that protect homeowners.
- Insurance supplementsRoofing insurance supplements explainedWhat a roofing insurance supplement is, the line items most often missing from adjuster estimates (drip edge, ice barrier, starter, waste, steep and high charges, code upgrades, overhead and profit), and how to document and submit one.
- Impact-resistant roofingClass 4 impact-resistant shingles explainedWhat Class 4 means under UL 2218, how FM 4473 rates tile and slate, how IBHS rates shingles, and which states require or support insurance discounts and grants for impact-resistant roofs.
- Hail map appsBest hail map apps for roofers (2026)The hail map apps roofing contractors use, compared on where the hail data comes from, property and roof data, field tools and pricing: Hail Pro, HailTrace, Hail Recon and the free NOAA storm reports.
- CompareHail Pro vs HailTrace: a HailTrace alternative for roofersHow Hail Pro and HailTrace compare for roofing contractors: where the hail maps come from, property and roof data, canvassing and field tools, and pricing.
- CompareHail Pro vs Hail Recon: a Hail Recon alternative for roofersHow Hail Pro and Hail Recon (the Interactive Hail Maps app) compare for roofers: hail swaths, address reports, property data, field tools and what you pay for.
Guides
Roofing and hail guides
Practical, sourced answers to the questions roofing contractors and homeowners ask after a hail storm: how big hail has to be to damage a roof, how to recognize hail damage, how radar hail maps work, whether a roof replacement needs a permit, how to find out how old a roof is, and how hail insurance claims and supplements work.
Updated · Hail Pro