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bdobs 04-30-2009 01:17 PM

Ideas for deck over concrete patio and beyond-pics-
Hi guys, my name is Brian...just found this forum researching ideas for a planned deck, and I'm hoping I can get some good advise here.

In a nut shell, I have a boring ugly concrete patio in my backyard, and an even uglier, usless dirt/gravel, crap area as we call it, between my house and my beloved backyard.
We would like to put in a nice ground level deck to cover all that area up to our lanscaped yard which I put many many hours into:wink:

Using the pictures below for reference, I'd like to....

I will be either removing the patio cover or chopping the patio cover back halfway towards the house as it seems to close in the area not to mention the heigth clearance issus I will have with the added heigth of the deck

Build a deck that runs the span of my house(not the recessed garage area you can see) out to the landscaped area of my backyard.

I do not want to have to demo the concrete pad which is in really nice shape by the way. No cracks or damage.

The heigth of the sliding patio door and bedroom door is ~11", so this is the absolute max heigth of the finished deck.

I am thinking of maybe a floating deck. I originally was interested in the preformed concete pier that sit on the ground for over the patio, but my calculations using those puts my finished deck somewhere around 13"

The non cemented area is not level by any means, but that shouldnt be a problem.

I live in California so frost heave and such shouldnt be an issue as the ground doent freeze :)

Any ideas? Help? critisism, compliments, complaints???:thumbup:
Sorry to be so long winded, but I wanted to try and convey as much info as possible

Thanks Brian

Side shot of area

Looking out from patio(partial view)

Old shot looking back at patio

Gary in WA 04-30-2009 09:21 PM

I looked up your city, it follows the California UBC. I would contact your city's Building Department, as a permit is required.

Decks: Positively anchored(not toe-nailed) to resist lateral & vertical forces. UBC 2320.13 You will need to anchor it to the slab, to satisfy the Inspector. It also mentioned when It's time to sell your house, if not permitted, it may have to be removed.

You could build it the height of the door for 12' out, then step up to the height of the grass. That would tie into the second or third step up on the higher side. Be safe, G

4just1don 05-01-2009 01:50 AM

IF the concrete is to remain under the deck make double sure it isnt sloped back towards the house that all the water runs TO the house or problems result!!

Timster 05-01-2009 02:41 AM

Perhaps it might be viable to float the concrete area, sloping slightly into the yard, and tiling it with slate? Then you can put flagstone, or other cool stones on the pebble stuff.

It would look good... just throwing an idea out without seeing the site.

Five Star 05-03-2009 01:17 PM

2 Attachment(s)
i would run 2x4 sleepers on edge and install a composite decking on top. if you go with an angle floor patern remember to keep the framing 12" on center.

this is over a cracked concrete slab,the upperlevel on the composite deck is done by 2x10 framing

Five Star 05-03-2009 01:23 PM

3 Attachment(s)
heres a few more

cvstan 08-23-2010 04:44 AM

What do you mean "You looked up the city."? I tried to get the New York building code and it's $100 on Amazon. I'm off to the local town hall this morning to ask if building a floating deck over a cement patio is legal here. I am in the Town of Brighton (Rochester, NY).

forresth 08-23-2010 09:09 AM

I think pavers might be a better fit for your situation.

cvstan 08-23-2010 09:36 AM

Good news and bad news (maybe)
Sorry I did not give enough information. Decking will end up being 27" above the patio (one step height below door sill leading to deck) so pavers are not suitable. I went to talk to the town building inspector and he said a floating deck resting on cement piers on a patio IS allowed. This resolves all the issues with this deck. Phew! The deck does not even have to be attached to the ground. He wanted 4x4 posts to rest on the dek-block piers rather than sit directly on the patio. The deck cannot touch the house (1/2" away) or be attached to it.
Now I have to convince the builder to NOT connect the deck to the old ledger board so the thing will really float. You can't have the deck floating on one end and fixed to the house on the other. I have to be diplomatic since I have never made a deck before and he has done many.

forresth 08-23-2010 01:35 PM

maybe stick one (or 2) of those asphalt felt spacers that they use for concrete work in between the house and the deck.

cvstan 08-25-2010 08:48 PM

Inspector says, "Cannot touch house."
Not sure how fussy he is about things placed in the gap.
May be moot point since the contractor INSISTS on bolting the floating deck to the house to make it stronger. Bigger issue is what to do about the column holding up the corner of the roof above part of the deck. I think the column needs to have a frost-proof footer since it is tied to the house and should not touch the deck. Contractor says roof column will rest on the floating deck (but then it's not floating anymore!). Even worse the gutter downspout from the roof goes straight down the column into a buried storm sewer line which is adjacent to where the footer would be placed. So I'm not even sure I can fit a footer where it has to be dug. Sigh.

keratt14 10-22-2010 08:50 AM

maybe keep the concrete patio
have you thought about just staining the concrete and using a pattern to stamp it? That is a great alternative to adding a deck - concrete can be resurfaced and colored, so many options.. I realize you posted this over a year ago so your project may already be complete. We are in the process of putting a concrete patio under our 2nd level deck and I found this post while searching for ideas... good luck.

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