A Guide to Reading Seal Top's Professional Commercial Roofing Reports

A professional commercial roof inspection report is one of the most valuable documents a property manager or building owner can receive. When it comes from a qualified roofing contractor with proper inspection methodology, it answers three questions critical to asset management:

1. What is the current condition of my roof?
2. What action is required, and how urgently?
3. What is this going to cost, and when?

But only if you know how to read it.

Many property professionals receive inspection reports and find them either overwhelming (too much technical jargon) or under-informative (too vague to act on). This guide explains what a quality commercial roof inspection report contains, what each section means, and how to use the information for decision-making.

What a Professional Report Should Include

A quality commercial roof inspection report contains five core components:

1. Property and Roof System Summary
2. Condition Assessment with Photographic Documentation
3. Infrared Thermography Results (if conducted)
4. Prioritized Action Plan
5. Cost Estimate and Budget Projection

If a report you receive is missing any of these components, particularly photographic documentation, infrared results, or a prioritized action plan, it is incomplete.

Section 1: Property and Roof System Summary

What it contains:

• Property address and building type
• Approximate roof area (square footage)
• Existing roof system type (TPO, EPDM, modified bitumen, etc.)
• Approximate roof age and installation date (if known)
• Previous repair history (if documented)
• Number of roof layers (relevant for replacement planning)
• Drainage system description

What to look for:

This section establishes the baseline for all subsequent analysis. Confirm that the system type and age match your records. Discrepancies (e.g., report identifies two layers of membrane when you were told one) are important findings that affect replacement planning.

Why it matters for budgeting:

Roof age is one of the primary drivers of condition. A 5-year-old TPO in good condition has very different budget implications than a 22-year-old modified bitumen system.

Section 2: Condition Assessment

This is the heart of the report. A thorough condition assessment includes:

Overall Condition Rating

Most professional reports use a standardized rating scale. Seal Top uses:

Don't accept a report with only an overall rating. The condition varies across different elements of the roof, surface, seams, flashings, penetrations, drainage. A competent report addresses each element separately.

Element-by-Element Assessment

A quality report evaluates each of these elements with a condition rating AND photographic evidence:

Surface Condition:

What to look for: blistering, splitting, surface erosion (granule loss on modified bitumen), delamination, membrane shrinkage, UV degradation. Photos should show representative areas, not just the worst or best.

Seam Condition:

The most critical element. Open seams are the most common entry point for water. Look for: fishmouth seams (unsealed edges), lap separations, and seam discoloration indicating adhesion failure.

Flashing Condition:

Flashings at walls, curbs, penetrations, and parapet bases are high-failure-risk areas. Every flashing area should be individually documented, particularly at older properties where flashing sealants have aged.

Penetration Condition:

Every HVAC curb, pipe boot, skylight, conduit entry, and exhaust fan flashing should be itemized. Sealant condition should be noted for each.

Drainage:

Drain conditions (dome intact? drain basin clear? collar secure?), secondary drain locations, scupper conditions, and areas of chronic ponding.

Edge Metal and Terminations:

Condition of copings, drip edges, termination bars, and perimeter membrane securement.

Section 3: Infrared Thermography Results

What it contains:

• Methodology description (time of inspection, weather conditions, equipment used)
• Annotated aerial thermal map of the roof
• Moisture extent estimate (percentage of total roof area)
• Moisture zone photographs (thermal image alongside visual photograph)
• Interpretation summary

How to interpret the thermal map:

• Cool colors (blue, purple) = dry insulation
• Warm colors (orange, red) = moisture-saturated insulation
• Sharp boundaries between warm and cool zones often indicate insulation board joints where moisture is tracking

What the moisture percentage means:

Important note: Infrared results require validation. A thermal anomaly indicates likely moisture but should be confirmed with physical core samples (1 to 2 per identified zone).

Section 4: Prioritized Action Plan

This section translates findings into actionable recommendations, typically structured as:

Priority 1, Immediate (within 30 days):

Items presenting active leak risk. Example: open seam at a drain curb, cracked pipe boot sealant at a HVAC unit.

Priority 2, Short-term (within 6 months):

Items trending toward failure. Example: blistered membrane section over a wall flashing, corroded drain dome.

Priority 3, Planned (6 to 24 months):

Items to budget for in the next capital planning cycle. Example: aging surface condition approaching end of life.

Long-term planning, Replacement/Restoration:

Expected remaining service life estimate and recommendation for restoration or replacement at a projected future date.

What to do with this section:

The Priority 1 items are your action list. Schedule them. The Priority 2 and 3 items belong in your capital plan with budget estimates attached. The long-term projection tells you when to start the process for your next major roof decision.

Section 5: Cost Estimates

A professional report includes order-of-magnitude cost estimates for recommended actions:

• Priority 1 repair costs
• Priority 2 repair costs
• Restoration cost estimate (if applicable, with eligibility confirmed)
• Full replacement cost estimate

These are estimates, not firm bids. They provide the budget accuracy needed for capital planning, typically ±20 to 30%.

For firm pricing, a separate scope proposal is prepared after full assessment confirmation.

Using the Report for Insurance

A detailed inspection report serves a critical function in commercial property insurance:

• Pre-storm baseline: Documents condition before a storm event. Essential for insurance claims.
• Maintenance records: Demonstrates that the property is properly maintained, relevant for claim defensibility.
• Damage assessment: Post-storm inspection reports document new damage vs. pre-existing condition.

Request that your inspector note the date, weather conditions, and inspector credentials in the report header. These details are relevant for insurance claim purposes.

Questions to Ask When You Receive a Report

1. Is the moisture extent documented by infrared and confirmed with core samples?
2. Are Priority 1 items accompanied by photos and specific locations on the roof plan?
3. Does the Priority 1 list have actionable scopes (not just "repair flashings" but "seal pipe boot flashings at HVAC units #2, #5, and #7")?
4. Is there a projected replacement date and budget figure for capital planning?
5. Does the report include the inspector's credentials and methodology?

Get a Report You Can Act On

Seal Top delivers professional roof inspection reports with photographic documentation, infrared thermography, prioritized action plans, and budget-quality cost estimates. Our reports are designed for property managers who need clear information to make sound decisions.

(404) 216-0634 | service@sealtoproofing.com | Georgia, Florida & the Southeast