building a deck that will support a roof


Old 12-10-13, 03:57 AM
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Question building a deck that will support a roof

I am starting a new deck project. The deck is going to be 25 x 20.
The plan is to build the deck first then save up to add a roof at a later date.
So the question is what's the best way to build the foundation
so that the deck will support a roof in the future.
I plan on using 2x10 for the Ledger. ..2x10 for the joist that are 12in on center
6x6 post......the future roof will only be on half of the deck.
beam wise not to sure which way is the best. I'm thinking of
Making beams out of 2x10 and securing on top of the 6x6 post.
Also thinking about only a maximum of 7ft between every post.
Any suggestions
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Old 12-10-13, 05:48 AM
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How high off the ground is this deck?
Is the roofed area going to be enclosed, screened in?
You do plan on building this deck at least 6" below any door openings, right?
Posting a picture of where your planning on building this is always a help.
Old 12-10-13, 08:16 AM
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I would first contact you local Building Inspections Dept. and ask them. Many dept's have a pre-printed sheet on deck construction as it's such a common request. Also, don't be afraid to call or stop by and just ask them. They generally have no problem telling you exactly what they want to see and will likely answer all your questions. Since you are talking a roof it's no longer a simple deck project so they will probably have different footings requirements for the posts that will be supporting and holding down the roof.

Make sure you ask about fastening and attachment requirements. Even though you are well inland they will probably require some level of "hurricane strapping" to securely attach to roof to the support columns and down into the ground. In some cases through bolting is allowed and in others they may require separate steel brackets/straps. Don't be scared by the requirements. It's really pretty simple and inexpensive if you plan for it up front.
Old 12-13-13, 08:03 AM
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Name:  20131206_101705-1-2.jpg
Views: 1509
Size:  47.4 KBAttachment 22917no higher than 8' at the highest point
all I want to do is have it screened in
the deck will go back where the existing deck was but expanded to the size I want.
I tried to add a pic but it wouldn't work

Last edited by WTCIII; 12-13-13 at 08:44 AM. Reason: add a pic
Old 12-13-13, 12:34 PM
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Where are you going to pull your roof from? If the deck is the height of the ledger, with a 2' overhang, your roof profile at best would be flat at 20'.

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