It is impossible to know when it will happen but it is your responsibility to prevent it and have your roof inspected. It takes a while for water to work its way through.
Homeowners are often notice the water damage by coincident. After noticing the yellow stains on the ceiling most people would ignore it and wait to see if it would get bigger before hiring a local roofing contractor. If you notice a yellow stain on your ceiling call for repairs immediately. Not having the problem assessed can lead to mold in your attic. Problem can be solved before further insulation and plywood damage can get bigger. Time to time crack on the shingles are not visible to naked eye and problem area needs to be inspected while its raining or water test needs to be done by two people. Once the problem area is detected further repairs can be done by replacing the damaged shingles in that area.
We offer emergency roof repair services in Ottawa residential, commercial and industrial roofs, shingle roofs, flat roofs, high or low sloped roofs.
If the yellow stain is ignored eventually multiple yellow stains will occur and the repairs will cost you an arm and a leg. Always have your roof inspected by a roofing contractor prior to every winter.
Contact Ottawa Roofing at 613-255-2323 for all your roofing needs.