In the autumn, I had seen water spots on the ground at the corner of the house. I believe that the water had originated from the roof. We did not have any rain on that day. I did not see these water spots in the adjacent houses. The house will be 10 year old in Sept.
What are the likely causes? I do not have a ladder to look at the roof for the 2 level house.
Will it damage the house (and which part of the house) if I do not do resolve the problem?
I gave my opinion as a reply to your request for a quote.
If your house is only 10 years old, the roof is probably still good. I would bet that your eves troughs and downspouts are plugged with leaves and debris and just need a cleaning. There are companies that do that or any handyman could probably do it for you.
When I do this type of thing I always take a few photos if something is obviously wrong. If the photos show something you can use them to contact local roofers.
Good luck with it!
Without climbing on the roof it would be pretty hard to tell if it is coming from the roof. Sounds to me like a condensation issue - possibly a dryer vent near by or exhaust from another source - kitchen, bathroom etc.
Hope that helps.
If they are at the corner of the eave, the sealant in the corner joint in the gutter / eavestrough may be deteriorating. With water freezing and expanding as well as just general heat from the sun and wear and tear, the sealant can deteriorate. You'll usually see a few drips on milder days and / or when the eavestrough has ice that is melting or water in it due to a blockage, or right after a rainfall.
It is very hard to diagnose the problem without a visual but based on what you describe, this could be the problem.
Kershan Bulsara, Roofmaster Ottawa Inc.
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