Commercial Roof Inspection Checklist
A photo checklist for low-slope roofs. Run it in LibreCam or print it.
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Here's what it looks like filled out.
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COMMERCIAL ROOF INSPECTION CHECKLIST
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Property: Northgate Commerce Center, Bldg C
Address: 1140 Northgate Way, Aurora CO
Roof system: 60-mil TPO, mechanically attached
Visit: Semi-annual inspection, spring
Date: March 4, 2026
Inspector: Dana Whitfield, Ridgeline Roofing
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A. ROOF FIELD / MEMBRANE
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[X] Field overview — west bay (photo 1)
[X] Membrane surface — chalking (photo 2)
[X] Punctures and splits — none found
[X] Ponding — north of RTU-3 (photo 3)
[X] Prior core cut — patched (photo 4)
[ ] Coating — N/A (uncoated)
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B. SEAMS & FLASHINGS
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[X] Field seams — probed, tight (photo 5)
[X] Seam at drain sump — lifted (photo 6)
[X] Base flashing — secure (photo 7)
[X] Counterflashing — sealant cracked (photo 8)
[X] Termination bar — fasteners tight (photo 9)
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C. PERIMETER & PARAPET
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[X] Parapet wall — cap joints open (photo 10)
[X] Coping — 2 loose sections, east (photo 11)
[X] Edge metal and gravel stop (photo 12)
[X] Wall-to-roof transition (photo 13)
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D. DRAINAGE
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[X] Roof drains — strainers in place (photo 14)
[X] Drain bowl — debris, SW corner (photo 15)
[X] Scuppers — clear, both (photo 16)
[X] Overflow scuppers — clear (photo 17)
[X] Gutters and downspouts (photo 18)
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E. PENETRATIONS & CURBS
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[X] Pipe penetrations — boots sound (photo 19)
[X] Pitch pans — filler low, 2 pans (photo 20)
[X] Equipment curbs — flashing intact (photo 21)
[X] Vents and exhaust stacks (photo 22)
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F. ROOFTOP EQUIPMENT
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[X] RTU-1 through RTU-4 — condition (photo 23)
[X] Condensate lines — staining (photo 24)
[X] Gas lines and supports (photo 25)
[X] Walkway pads — gap to RTU-3 (photo 26)
[ ] Solar array — N/A
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G. INTERIOR / DECK
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[X] Ceiling below the ponding area (photo 27)
[X] Deck from below — no rust (photo 28)
[X] Active leaks — none reported
[X] Prior repair areas (photo 29)
Photos attached: 29
Prepared by: Dana Whitfield
Next visit: fall
═══════════════════════════════════════════════════How to use this checklist
Make It Yours
Start from these seven areas, then add the lines your roof system and your property need. A ballasted EPDM roof and a standing seam retrofit don't get the same list — mark what doesn't apply as N/A.
Walk It in the Same Order Every Visit
Work through it on your phone while you're on the roof, with a photo behind every line. The checklist shows what is still unshot before you come off the roof, and it all works with no signal.
File It Under the Property
The roof condition report assembles from the photos and the checklist items, so the visit is written up before you're back in the truck. It stays filed under the property for the next inspection.
One list, every inspector, every visit
A commercial roof file is only useful if this spring's survey looks like last fall's. That means the same sequence, the same shots, and the same person not being the only one who knows the roof. Put the list in the camera and every inspector in the service department runs it the same way — see how the rest of the job gets documented on the commercial roofing page, or how photo checklists hold an item open until its photo is taken.
Frequently Asked Questions
Yes. That's what it's built for. Run the same list each visit and the photos line up season over season, so a seam that was tight in the spring and lifted in the fall is easy to show.
Yes. Each building keeps its own record, and you can pull up any property by address, date, or tag. Multi-site owners get one inspection format instead of one per inspector.
This one is written for low-slope assemblies — membrane field, seams, parapet and coping, drains and scuppers, curbs, rooftop equipment. For shingle and tile roofs, use the roof inspection photo checklist instead.
Yes. Every employee gets the camera, so a tech on a leak call can shoot the same way the inspector does. There's no seat to ration, which is usually what decides who documents a roof.