Roof Inspection

Not every inspection has the same purpose. Maintenance inspections update baselines and catch minor defects. Post-storm inspections document observed changes after hail or wind. Leak-focused walks support repair tickets. Due diligence inspections inform acquisitions with explicit limits. Capital planning inspections feed multi-year forecasts. Define the decision before mobilizing so deliverables match the question.

Scope statements should say whether moisture scanning, core cuts, or drone imagery are included. Drone photography can improve coverage on large low-slope roofs but does not replace close detail inspection at flashings and drains when those drive risk.

For portfolios, consistent scoring fields matter more than narrative flair. Comparable data enables ranking across assets.

Collect history first: prior reports, warranties, repair logs, leak maps, and recent weather. Interior interviews catch timing patterns exterior photos miss. Then perform safe access review under suitable weather—lightning, high winds, and wet slippery membranes are stop conditions.

Work systematically: overall drainage pattern, field zones, seams, flashings, penetrations, equipment curbs, expansion joints, edge metal, parapets/wall transitions, and walkway conditions. Photograph defects with context shots and close-ups. Note soft spots, ponding evidence, and debris sources.

Deliverables should include executive summary, findings table, photo log, limitations, and recommended next actions with rationale. Avoid vague language like “roof is fine” or “roof is bad” without evidence.

Visual inspection cannot always determine wet insulation, deck corrosion, or latent moisture under seemingly intact membranes. Infrared, electrical capacitance, nuclear hydrogen, or electronic leak detection methods each have assembly-specific strengths and limits. Controlled test cuts may be warranted when recover vs tear-off hinges on concealed conditions.

Authorize diagnostics with a written question: What decision will the result change? Unstructured testing produces data without decisions. ASTM and manufacturer guidance may inform methods; site interpretation remains professional judgment.

After hail or wind, prioritize life safety and interior protection before roof walks. Once safe, document granule loss or impact marks on applicable systems, bruised foam in single-ply, bent metal, displaced edge components, punctures, and collateral debris damage. Photograph broadly and specifically.

Do not equate cosmetic surfacing change with automatic system failure—or dismiss impact without close review. Keep conclusions proportional. Pair storm inspections with the Storm Response Framework for temporary measures and permanent paths.

Route urgent findings to repair or emergency response. Route minor findings to maintenance close-out. Route systemic aging or moisture patterns to capital planning. The inspection is the input; governance decides funding.

Trend reports across years to see whether ponding zones expand, whether detail failures cluster, and whether repair frequency accelerates. That trend line is often more valuable than any single score.

Trustworthy inspections disclose conflicts, limits, and the difference between observation and recommendation. They reference industry practice (NRCA) where relevant without pretending a checklist replaces project judgment. They avoid invented remaining-life precision.

Owners should expect accessible reports—clear headings, defined terms, and actionable priorities—usable by FMs, asset managers, and AI retrieval systems alike.

A complete deliverable includes purpose statement, weather/access conditions, roof assembly identification as known, findings table with priorities, photo log keyed to a plan, limitations, and recommended next actions with rationale. Executive summaries should be readable by non-technical ownership in under two minutes.

Avoid absolute language beyond evidence. Prefer ‘observed open seam at curb C-12’ over ‘roof failed.’ Remaining-life opinions, if offered, should state assumptions and uncertainty.

Acquisition inspections should emphasize major cost drivers: wet insulation indicators, drainage defects, edge conditions, near-term replacement likelihood, and access constraints. They are not maintenance punch lists. State clearly what was not opened or tested.

Lenders and buyers often need ranges for near-term corrective work and capital renewal windows. Label figures as planning allowances until scoped.

Drone imagery helps map large low-slope roofs, document storm aftermath, and communicate with remote stakeholders. It does not replace hands-on inspection of flashings, drains, and seams where most leaks originate. Use drones as a complement under suitable weather and airspace rules.

Always pair aerial context with detail photos of suspect conditions before authorizing capital work.