- DocumentASCE Forensic Engineering 9th Congress (2022) — Verhulst, Bosley and Donaldson, Nelson ForensicsHail & Storm Damage
Dating Hail: Determining When Hail Impact Damage Occurred
Forensic engineers' methods for dating hail damage on a building that has seen several storms — weathering of the impact site, oxidation, surrounding surfaces and storm data — which is exactly the…
Read / Download → - DocumentGAF Technical ServicesInstallation & Repair
GAF TAB-C 2015-31: Repairing Hail Damage to Granule-Surfaced Membranes
GAF's commercial technical advisory bulletin on hail that scours granules off a granule-surfaced membrane: what to inspect for, when coating the membrane is an acceptable repair, and the Diamond…
Read / Download → - DocumentNelson Architectural Engineers, Inc. (ASCE) — East, Lozos, Verhulst, DeLeon and AhujaHail & Storm Damage
Guidelines to Assess Hail Damage to Shingle Roofs
Engineers from Nelson Architectural Engineers set out a repeatable method for assessing hail damage on residential and commercial shingle roofs, covering the parameters that drive severity — age,…
Read / Download → - DocumentInterface (RCI, Inc.) — Lyle D. Hogan, PE, RRC, FRCIHail & Storm Damage
Manufactured Hail Damage: Telling Fraud From Storm Damage
A roof consultant's field guide to spotting deliberately fabricated hail damage — hammer strikes, dime-spinning, mandrel punctures — by what real ice cannot do to mineral granules, and by checking…
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VideoRoofing Insights#1 MISTAKE IN IDENTIFIYING HAIL DAMAGE ON YOUR ROOF!
Roofing Insights — from the Storm damage & inspection shelf of the video library.
- Guide
Storm Damage Roof Repair Guide
What to do in the hours after a storm, how to photograph hail and wind damage so a claim holds up, and how to recognize a storm chaser.
- DocumentInterface (RCI, Inc.) — Petty and Kasberg, EES Group, Inc.Hail & Storm Damage
Correlating Hail-Strike Bruises With Hailstone Size, Roof Pitch, and Storm Direction
A six-year field study of 729 residential hail-strike inspections by EES Group, correlating bruise counts against hailstone size, roof pitch and the elevation's orientation to the incoming storm.…
Read / Download → - DocumentJournal of the National Academy of Forensic Engineers — AzziHail & Storm Damage
Discerning Wind-Related Damage to Residential Roofs
A 2025 forensic engineering paper on separating genuine wind damage on residential roofs from installation defects, mechanical damage and age-related deterioration, aimed at making wind assessments…
Read / Download → - DocumentState Farm Mutual Automobile Insurance CompanyHail & Storm Damage
Evaluating Composition Shingles: State Farm Consumer Hail Brochure (560-2258-5)
State Farm's public-facing brochure showing homeowners what hail damage to composition shingles looks like versus weathering, blistering, foot traffic and manufacturing defects. It is also what a…
Read / Download → - DocumentASCE Forensic Engineering 9th Congress (2022) — Donaldson, DeLeon and Simpson, Nelson ForensicsHail & Storm Damage
Evaluating Interply Bitumen in Bituminous Membrane Samples for Hail Impact Distress
A forensic laboratory paper arguing that examining interply bitumen in built-up and modified-bitumen membrane samples reveals hail impact distress that surface inspection and standard delamination…
Read / Download → - ReferenceCost Guide
Storm Damage Roof Repair Cost
Wind, hail and impact damage — from a tarp on the night of the storm to a full insurance-scoped replacement. The one topic where the price you pay and the price of the work are usually different…
VideoInsurance Institute for Business & Home Safety (IBHS)Behind the Science: Hail Impact Ratings
Insurance Institute for Business & Home Safety (IBHS) — from the Storm damage & inspection shelf of the video library.




