Does anyone know what the highest rated shingle is? It used to be 74mph which is right under hurricane threshold but is there something stronger?
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slate?
I think OC Durations and Certainteed Hatteras are rated at 80+.
http://grantlogan.net
.......nature abhors a vacuum cleaner.....
I just found a few on the GAF site that said 130 for warranty purposes if they are installed to meet that speed.
Metal Roofs
http://www.coastalcontractor.net/pdf/2008/0807/0807soun.pdf