This roof does not appear to be a standing seem roof is this a defect. Inspection revealed no leaks. Here is the front of the building.
Morning, Scott.
Hope to find you well.
That is a commercial building.
Not only leaks determine if the roof covering is defective. Installation and other factors determine the usefulness of the roof covering.
Standing seam is only 1 type of metal roof membranes. This is a corrugated sheet metal roof.
Slope: Low Slope.
The rear of the roof appears suspect. The last of the sheet metal seams do not line up.
Are there gutters on the back portion of the roof?
Hi Scott,
Looks fine from here.
Although I see what looks like a plumbing vent that has appears to have inadequate clearance to the surface of the roof.
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I agree with Kevin. Nothing wrong with the roof from here.
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Most of the roofs I inspect are this type. The roofing looks fine to me. However, it is difficult to determine the pitch from your photo. The minimum pitch for an overlapping metal roof is 3:12. I have encountered many leaks on low sloping roofs like this.
Wind blown rain and capillary action at overlapping end seams on low slopes is common. Many commercial metal buildings have standing seam roofing which can be as flat as 1/4 inch per foot.
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I see a lot of those here on Maui and have never been a big fan of the ones like that with exposed fasteners. The rubber/neoprene washers dry out and leak and it’s a real pain to replace or seal them all. All that being said I don’t write them up as defective unless I can cite some performance problem.
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Robert give me call 863 835 0078
I will call you tomorrow.
I would have walked this roof. @rzeller has given a good recap. Much of which cannot be ascertained by a drone photo. Though possible, I have never been in a building of this age with this type of roof that did not have evidence of a past or present leak.