Our sheds are rated for 65 mph winds. You can increase that by anchoring your shed and adding an extreme weather kit which would increase that to 90 mph. We do not claim wind resistance above 90 mph. Please send photos of your product to warrantyclaims@lifetime.com so that a warranty representative can look into this for you. You are still within the 10 year limited factory warranty, but please be advised that the warranty does not cover damage caused by acts of nature.