Question: Is it better to attach to a ledger board or direct to the wood siding wall? Answer: The cover should be attached to SOLID wood (as in a header or rim joist inside the wall). Wood siding or plywood sheer panel is not sufficient. If solid wood is not available in the wall and you only have 2x studs @ 16″ o.c. then you should use a 2×8 wood ledger board, lag that into the studs every 16″, then attach your Alumawood rafters to the ledger board every 24″ o.c. or as engineering dictates. You should always check the engineering and instructions for your project prior to ordering. The instructions and engineering are available for download on the “Resources” page at alumawood.com.Thank you, Bob
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