That is why I emphasised 'properly attached'. It all depends upon the state of an individual roof. The test results are for a new roof in a wind tunnel test.
What wind speed to lose roof tile?
Feb 15, 2020
Last reply: 6 years ago
27 Replies
I can believe that.
In article <XnsAB64ABB42FFBA5D4AM2@176.124.71.34>, Pamela snipped-for-privacy@gmail.com writes
How long is a piece of string?
I have one on a pole well above the roof. Strongest gust 70mph last year, no damage to the roof.
40-50 recorded during these two storms above our roof
True but rippers aren't very thick, 1/16" at the most and that can get quite tight up near the nails.
I have since found wind tunnel data for a slate roof as well. That suggests there is nothing to choose between them - both tiles and slates, in good condition, are capable of withstanding 125mph winds. Of course, not many older roofs are in good condition. Until I had it replaced, my tile roof would shed the occasional tile with very little provocation, but it was over 90 years old.
No doubt little Timmie will be along soon.
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