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25 year old house;we have had two roof replacements because of hail damage. The insurance paid for both replacements so apparently they were really damaged. The present roof was put on in 2013. We had hail 2 days ago and the contractors are coming around offering roof inspections. I am concerned that the OSB roof decking may not tolerate a fourth roof ; The last time a few bits of wood came up with the nails. I am hoping the newer shingles survived the "not so bad "hail. The hail damage can be relatively localized. For the other 2 storms , houses one and a half miles away from me did not need roofs. This time ,rumor is that roofs 3 miles away were damaged.

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Yes, to a degree. Older shingles have lost much of their resilience and coating and what's left can often break easier or get knocked off easier.

New shingles can be damaged by hail but older ones are much more vulnerable.

You also don't know exactly what type of hail fell on your roof vs. one just down the street. Hail can vary a lot in a very short distance.

The best thing you can do for your specific case is either to inspect the roof yourself of call in a reputable roofing contractor for an inspection. I would NEVER trust someone who comes uninvited wanting to look at my roof. Usually they are scammers!

You are correct, however, in that there is a limited lifetime and nailing capacity for roof decking. If you've really had 3 roofs installed already you got your money's worth and it may need to be replaced.

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  • We just had our 11 year old roof replaced last summer because of hail. We contacted a roofer and he said his company would replace any OSB that was damaged or otherwise needed replacement. You should make sure your contractor will do the same. And agree with @jwh20 that I wouldn't trust an uninvited inspector!
    – Jamie M
    Apr 21 '20 at 20:01
  • They are the "ambulance chasers" of the roofing business.
    – jwh20
    Apr 21 '20 at 20:08

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