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. – Fred Shope Aug 22 '19 at 22:01
  • Vote to close, not enough info and no updates. – Ed Beal Aug 23 '19 at 21:31
  • What can I use to attach a 4x4 to an existing deck? – SheenaMB Aug 24 '19 at 1:55

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