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Old 07-13-2009, 12:37 PM   #1
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Hanging deck stairs on a cantilever


Hey Gang,

Am in the planning stages for my new deck. Check out the this thread to see what happened to the old one.

Deck repair, oops replace, oops new patio door thread

My question is can i attach stairs to the cantilevered portion of the deck without any additional support? Or would I have to add more support under the end joist?

See photo below with red lines indicate where stairs would end up on the left of the photo. The joist cantilever over the beam by about 2 feet.
(Note:Juniper is no longer there, well neither is deck for that matter)
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Hanging deck stairs on a cantilever-deckb.jpg  

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Last edited by drtbk4ever; 07-13-2009 at 12:39 PM.
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Old 07-13-2009, 03:40 PM   #2
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Hanging deck stairs on a cantilever


I would sink posts where the staircase hit the deck. What's two more holes?
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Old 07-13-2009, 05:56 PM   #3
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Hanging deck stairs on a cantilever


+1 with Ron and add double 2X10 rim joist for stairs that wide. dont forget the cement pad for the bottom step

have fun
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Old 07-13-2009, 06:55 PM   #4
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Hanging deck stairs on a cantilever


You are going to have steps the entire length of 17' ?
I wouldn't do it, people want a railing to hang out on
My stairs are 4' wide - which is plenty
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Old 07-13-2009, 07:22 PM   #5
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Hanging deck stairs on a cantilever


Scuba got me to thinking ... if you're going to run the stairs the entire distance, why did you bother to cantilever it?
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Old 07-13-2009, 08:39 PM   #6
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Hanging deck stairs on a cantilever


No I am planning on running the stairs about 8 to 12ft of full 17 ft. We are trying to balance the benefits of having a railing versus the clear an unobstructed view from the patio doors (our eating area is just inside those doors).

I was planning on using the existing footings so that is where the cantilever is coming from. If I decide to dig a few new footings, I could in fact skip the cantilever and would just have to beef up the joists. Hmmm... something to ponder.

Great ideas guys.

Keep them coming.
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Old 07-13-2009, 10:05 PM   #7
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Hanging deck stairs on a cantilever


I can understand the view thing
Our deck is too far off the ground to do that
Having 8' of steps isn't too bad - about 1/2 the area
2 posts on either side of the 8' steps would do it
And they could be used as the posts for the railings to either side
It looks like only 2 steps down (~17"), is that about right?
My last step was concrete - which supported my stairs
Then the landing is the walkway
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Old 07-13-2009, 10:29 PM   #8
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Hanging deck stairs on a cantilever


Here is a sketch up of our plans.

Any thoughts?
Attached Thumbnails
Hanging deck stairs on a cantilever-deck-sketch.jpg   Hanging deck stairs on a cantilever-dsc01920.jpg  
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Old 07-14-2009, 01:19 AM   #9
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Hanging deck stairs on a cantilever


Quote:
Originally Posted by drtbk4ever View Post
Here is a sketch up of our plans.....
Nice drawing, Did you use SketchUp?
Don't forget the Handrail for grandpa.

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Old 07-14-2009, 07:07 AM   #10
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Hanging deck stairs on a cantilever


That does look nice
The stairs do tie into the other deck
I'd be inclined to put a square planter in at the angle cut stairs
I just prefer to put in straight stairs
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Old 07-14-2009, 08:08 AM   #11
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Hanging deck stairs on a cantilever


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Originally Posted by PaliBob View Post
Nice drawing, Did you use SketchUp?
Don't forget the Handrail for grandpa.

.
Yes, I used Sketchup. It took me a couple of hours, but I got it done.

You are right, I couldn't figure out how to put on the handrail down the stairs.
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Old 07-14-2009, 08:13 AM   #12
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Hanging deck stairs on a cantilever


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Originally Posted by Scuba_Dave View Post
That does look nice
The stairs do tie into the other deck
I'd be inclined to put a square planter in at the angle cut stairs
Yes, planters are a must as you can see from the photo.

Another alternative we are thinking about is to skip the diagonal stairs and have a railing on that clipped corner and hand rails down both sets of stairs.

Thanks for all the comments guys.

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