The title says it, but I'm faced with a customer who wants a deck built over an existing patio. The concrete is broken up and sinking in areas. Really horrible situation. I'm considering telling them I cannot do it. Do I have any alternatives?
Should I build a deck over a horribly broken up concrete patio.
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The title says it, but I'm faced with a customer who wants a deck built over an existing patio. The concrete is broken up and sinking in areas. Really horrible situation. I'm considering telling them I cannot do it. Do I have any alternatives?
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18,380 Posts
Cut holes in concrete, install posts build deck.
Or sell them the demo of patio. Set posts, build deck.
If they can't afford to demo the deck, ot pay you to spend more time to deal with it, how can they afford a new deck.
I don't do decks for people on a tight budget.
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Or sell them the demo of patio. Set posts, build deck.
If they can't afford to demo the deck, ot pay you to spend more time to deal with it, how can they afford a new deck.
I don't do decks for people on a tight budget.
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What’s underneath the deck is less important than what the footings are on. 😳
When you say “build a deck over a patio”, are you taking about using the patio for support, 😱 or merely not clearing the broken rubble out?
When you say “build a deck over a patio”, are you taking about using the patio for support, 😱 or merely not clearing the broken rubble out?
Your question basically answered my question. I know it is not a good idea to build on the broken rubble. I had not considered the remove concrete option due to cost and time. The customer is not necessarily on a tight budget, but I had not discussed this with them yet. Just looking for ideas.
Customer is not on a tight budget. I just had not discussed any options with them yet.
Since "Con" is in your name just build it and tell them it will be the best deck ever. Other than that I'm totally bewildered.
Decks need footings.
Patios are rarely, if ever, built with footings, and even if it was, you would have no way to verify depth and width, and if you could, this one is broken anyway. 😳
Saw cut and hammer out the sections needed to auger a footing. 👍
Patios are rarely, if ever, built with footings, and even if it was, you would have no way to verify depth and width, and if you could, this one is broken anyway. 😳
Saw cut and hammer out the sections needed to auger a footing. 👍
Thanks. That is the way I am now leaning too. Appreciate it.
Con stands for conscience, so that is out of the question. But thanks for the input.
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460 Posts
Has the concrete patio settle as well as cracked? And settled where is sloping towards the foundation, which may direct excessive rainwater to overload the sump pit, which could ultimately leak into the basement?
Not that I have ever experienced this or anything, just wondering.
Not that I have ever experienced this or anything, just wondering.
No offense intended but it seems you did not understand the rudimentary bearing issue with the deck as it appears you thought you would just build on top of the deficient patio.
That tells me you are not fully qualified to be doing this project.
Stick to what you know and do best instead of dabbling into things you do not fully understand.
That tells me you are not fully qualified to be doing this project.
Stick to what you know and do best instead of dabbling into things you do not fully understand.
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399 Posts
Why did the concrete fail? That should be telling you there may be soil bearing issues. You did not include photos for us to view. Photos would help us help you. Your intro says you are an engineer, if the soil is bad, then an engineer is who you need.
Bingo. Do not set footings on the old deck, demo just enough for good footings.
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399 Posts
His intro post says engineer.
Maybe he is an electrical engineer or a mechanical engineer and has no experience with structural engineering.
A dentist, a surgeon and an academic are all called doctors.
A dentist, a surgeon and an academic are all called doctors.
The plans should have details of the footings the engineer wants to see built to support the new deck. Is it going to be a big deck that will have lots of people bouncing on it? Maybe a small deck nobody will notice. Well what ever you do have fun with your deck.
Personally I would not build over the rubble. It could create drainage problems, give a place for skitters to call home along with being unsightly. Don't be the guy just out to make a quick buck. bring in some machinery and take out the garbage patio. A lot easier to do prior to the deck build than after the fact.
Please pass on using carcinogenic roundup. That crap should be outlawed but, someone is making too much money from it and it's use.
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