Tutorials · January 26, 2026 · 16 min read · By BJ, Nashville TN Roofer & Founder

Storm Damage Roof Assessment: The Complete Guide for Contractors

Storm season means opportunity—if you know how to properly assess and document damage. Here's your complete guide.

Storm Damage Roof Assessment: The Complete Guide for Contractors 🌪️

Storm season is here, and your phone is ringing off the hook. Homeowners are panicked about potential damage, insurance adjusters are scheduling inspections, and every roofer in town is scrambling for their piece of the action.

But here's what separates the professionals from the opportunists: proper storm damage assessment skills.

The contractors who win in storm season aren't just fast—they're thorough, documented, and credible. In this comprehensive guide, we'll show you exactly how to assess storm damage like a pro, document it for insurance success, and build a reputation that keeps customers coming back.

Understanding Storm Damage Types ☁️

Before you climb on a roof, you need to know what you're looking for. Different storms cause different damage patterns.

Hail Damage

Hail is the most common—and most contested—type of storm damage. Here's what to look for:

On Asphalt Shingles:

• Random pattern of impacts (not in lines)
• Exposed fiberglass mat where granules are missing
• Soft spots that feel "bruised" underfoot
• Loss of granule adhesion around impact sites
• Circular or irregular impact marks

On Metal Roofs:

• Dents (obvious but verify they're new)
• Paint chipping at impact sites
• Functional damage vs. cosmetic damage

On Wood Shakes:

• Splits along grain from impact
• Orange/brown color of fresh wood exposed
• Impact marks with sharp edges (not weathered)

Wind Damage

Wind damage patterns are typically more predictable:

Common Signs:

• Missing shingles (especially at edges and ridges)
• Lifted shingle tabs with broken seal strips
• Creased shingles from being lifted and laid back
• Debris impact from blown objects
• Damaged flashing at edges and penetrations

Pattern Recognition:

Wind damage usually affects specific slopes more than others, depending on storm direction. Document which slopes are damaged and correlate with reported wind direction.

Debris Damage

Trees and flying objects cause obvious damage:

• Punctures through roofing material
• Crushed or cracked shingles
• Damaged gutters and fascia
• Structural damage to decking

The Professional Assessment Process 📋

Here's a step-by-step system for thorough storm damage assessment:

Step 1: Pre-Inspection Preparation

Before you even arrive at the property:

1. Check storm reports – NOAA and local news for hail size, wind speeds, storm path
2. Review satellite imagery – Use Squares For Sales to see the roof before arrival
3. Prepare documentation kit – Chalk, tape measure, camera, hail gauge, notepad
4. Check your insurance – Make sure your liability coverage is current

Step 2: Ground-Level Inspection

Start from the ground to identify obvious damage and safety concerns:

• Gutters and downspouts – Dents, granule accumulation, damage
• Siding and windows – Hail impacts, broken glass
• Outdoor AC units – Dent patterns indicating hail direction
• Vehicles – Were cars parked outside during storm?
• Soft metals – Mailboxes, light fixtures, vents
• Landscaping – Broken branches, stripped leaves

This ground-level evidence supports your roof findings and helps establish the storm occurred.

Step 3: Roof Inspection

Now the detailed work begins:

Safety First:

• Check for structural stability
• Look for wet or slippery conditions
• Use proper fall protection
• Have a spotter when possible

Systematic Coverage:

• Start at one corner and work systematically
• Inspect every slope, not just the visible ones
• Check all penetrations (vents, pipes, skylights)
• Examine ridges, hips, and valleys
• Inspect flashing at walls and chimneys

Testing for Damage:

• The chalk test – Mark suspected impacts to count later
• The thumb test – Press shingles to feel for soft/bruised spots
• The visual test – Look for granule displacement and color changes

Step 4: Documentation

This is where most contractors fail. Proper documentation is the difference between approved and denied claims.

Photo Requirements:

• Overview shots from each direction
• Close-ups of specific damage (with scale reference)
• Wide shots showing damage pattern/extent
• Ground-level collateral damage
• Address photo for verification

Measurement Documentation:

Use Squares For Sales to generate accurate roof measurements with:

• Total square footage
• Individual slope measurements
• Pitch calculations
• Facet counts
• Linear footage by edge type (ridge, hip, valley, eave, rake) with confidence grades — feeds straight into Xactimate line items

Written Notes:

• Storm date and reported conditions
• Type of damage observed
• Location of damage on each slope
• Estimated percentage of damage
• Recommended scope of repair/replacement

Working with Insurance Adjusters 🤝

The relationship between contractors and adjusters can be collaborative or adversarial. Here's how to keep it professional:

Before the Adjuster Arrives

• Have your documentation ready and organized
• Prepare a preliminary scope of work
• Know your numbers (measurements, material costs, labor rates)
• Be available to meet with the adjuster on-site

During the Adjustment

• Present your findings professionally, not confrontationally
• Use industry terminology correctly
• Show, don't just tell—walk them through damage locations
• Ask questions if they disagree with your assessment
• Take notes on their findings

Common Adjuster Concerns

"That's just wear and aging."

Response: Point to specific impact marks, show collateral damage, reference storm date and path.

"I only see X hits, not enough for replacement."

Response: Walk them to additional locations, show your chalk marks, reference manufacturer guidelines for damage thresholds.

"The policyholder should have maintained the roof better."

Response: Document the difference between pre-existing conditions and storm damage. Wind doesn't discriminate based on roof age.

When to Push Back

• If the adjuster's scope seems incomplete
• If they're missing documented damage
• If pricing is below market rates
• If they won't inspect all slopes

Always remain professional. You may disagree, but hostility never helps.

Damage Thresholds and Replacement Criteria 📊

When does damage warrant full replacement vs. repair? Here are general guidelines:

Manufacturer Guidelines

Most shingle manufacturers consider these replacement thresholds:

Insurance Industry Standards

Insurance companies typically follow Haag Engineering or similar standards:

• Functional damage (affects performance) = replacement
• Cosmetic damage (appearance only) = often excluded or limited

Your Professional Judgment

Consider:

• Age and remaining life of existing roof
• Pattern and distribution of damage
• Manufacturer warranty implications
• Local building codes

Creating Winning Repair Estimates 💰

Your estimate needs to be accurate, complete, and defensible.

Using Xactimate Pricing

Most insurance claims use Xactimate pricing software. Familiarize yourself with:

• Local price lists
• Common line items for roofing
• O&P (overhead and profit) standards
• Supplement items often overlooked

Items Commonly Missed

• Ice and water shield at eaves
• Starter strip and hip/ridge cap
• Pipe boot/flashing replacement
• Satellite dish reset
• Permit fees
• Dumpster/debris removal
• Step flashing at walls
• Chimney flashing

The Supplement Strategy

Initial adjustments often miss items. Be prepared to supplement for:

• Deck replacement (once tear-off reveals damage)
• Code upgrades required by local jurisdiction
• Additional slopes not initially visible
• Matching (when undamaged sections must be replaced for consistency)

Building Your Storm Damage Reputation 🏆

Long-term success in storm damage work comes from reputation, not just hustle.

The Right Way

• Honest assessment of damage (don't manufacture claims)
• Thorough documentation every time
• Professional communication with all parties
• Quality workmanship on repairs
• Standing behind your work

The Wrong Way (Avoid These)

• Telling homeowners they have damage when they don't
• Encouraging inflated claims
• "Free roof" promises that sound too good to be true
• Disappearing after collecting payment
• Cutting corners on materials or installation

Building Long-Term Relationships

Storm damage customers become long-term customers if you:

• Educate them throughout the process
• Communicate proactively
• Deliver quality work
• Follow up after completion
• Ask for referrals and reviews

Technology for Storm Assessment 📱

Modern tools make assessment faster and more accurate:

Satellite Measurement Tools

Squares For Sales lets you:

• Get accurate measurements before arrival
• Compare pre and post-storm imagery (where available)
• Generate professional reports for insurance
• Save time on every inspection

Weather Data Resources

• NOAA Storm Reports
• Hail tracking apps (HailStrike, etc.)
• Local news archives
• Airport weather station data

Documentation Apps

• CompanyCam for GPS-tagged photos
• Voice memo apps for quick notes
• Digital sketch tools for marking damage locations

Seasonal Preparation Checklist ✅

Get ready before storm season hits:

Marketing Prep

• [ ] Update website with storm damage content
• [ ] Prepare door hangers for affected neighborhoods
• [ ] Set up storm-specific landing pages
• [ ] Stock up on business cards

Operations Prep

• [ ] Train crew on proper assessment techniques
• [ ] Stock emergency tarping materials
• [ ] Establish subcontractor relationships for overflow
• [ ] Set up scheduling system for high volume

Equipment Prep

• [ ] Hail gauges and documentation tools
• [ ] Safety equipment checked and current
• [ ] Vehicle inspection and maintenance
• [ ] Ladder and access equipment

Start Documenting Like a Pro Today

Storm damage work rewards preparation and professionalism. The contractors who invest in proper assessment skills and tools come out ahead every season.

Start your 7-day free trial now – no charge until day 8! Try Squares For Sales today and get instant roof measurements for every storm damage assessment.

FAQ: Storm Damage Assessment

How do I tell the difference between hail damage and normal wear?

Hail damage creates random impact patterns with exposed fiberglass, while wear shows as uniform granule loss, curling edges, and weathering. Hail impacts are typically circular with fresh granule displacement.

What size hail causes roof damage?

Generally, 1" diameter hail (quarter-sized) can damage asphalt shingles, though many factors affect this including hail density, wind speed, roof age, and shingle type.

How long after a storm can damage be claimed?

This varies by insurance policy and state, but most policies require claims within 1-2 years of the storm date. However, documenting damage immediately is always best practice.

Should I offer free inspections after storms?

Yes, free inspections are standard practice and help homeowners know whether to file claims. Just be honest about findings—false damage reports damage your reputation and may be illegal.

What if the homeowner already signed with another contractor?

Respect existing agreements. You can offer a second opinion if asked, but avoid aggressive sales tactics that undermine competitors.

Free Tools & Reference Guides

Everything below is free to read, and the calculator is free to use.

• Free roof measurement calculator — locate any US roof on live satellite imagery, then measure it.
• What is a roofing square? — the 100 sq ft unit every roofing order is built on.
• How many squares is my roof? — work it out from footprint and pitch.
• Roof pitch multiplier chart — multipliers for 1/12 through 12/12.
• How accurate are satellite roof measurements? — what our testing against EagleView reports showed.

Start your 7-day free trial — unlimited measurements, $0 due today.

Related Guides

• Satellite Roof Measurement Complete Guide — Measure storm-damaged roofs without climbing.
• Roof Measurement Accuracy Guide — Trust satellite data for insurance claims.
• Best Roof Measurement Tool in 2026 — Speed up your storm response.
• Roofing Customer Objections Guide — Handle homeowner pushback after storms.

*Written by BJ — Nashville roofer, founder of SquaresForSales.com, and dad who'd rather be home for dinner than on a ladder at 5pm.*