I know how to build a cover, I just don't know how to attach it to the existing deck.

Something like this: enter image description here

  • 4
    We need more information (or photos) to give you a specific recommendation. In general, you'd be looking at attaching support posts to your deck rail posts, adding a ledger to your house near the roof and a lateral beam across the posts, then joists from the ledger to beam supporting your cover. Please edit your question to include links to a diagram or photos of your deck, and we can edit the photos into the post and give you more specific guidance on attaching a roof. Aug 22, 2019 at 22:01
  • Vote to close, not enough info and no updates.
    – Ed Beal
    Aug 23, 2019 at 21:31
  • What can I use to attach a 4x4 to an existing deck?
    – SheenaMB
    Aug 24, 2019 at 1:55


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