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Replacing 20x20 wooden deck with concrete slab?
Posted on 6/11/21 at 8:28 pm
Posted on 6/11/21 at 8:28 pm
We bought our house three years ago and there is a wooden deck about 20x20 in the backyard that is 20 years old and not in great shape. The termite guy told us it was just begging for an infestation.
I’ve never poured a slab and have no idea regarding cost, units of measurement or any of that.
I’m thinking concrete is poured in cubic yards but could be totally wrong on that. There is some drainage and a pergola base that will go into this and cost extra, but what am I looking at ballpark just to pour a 20 foot by 20 foot by 2 foot thick slab?
I’m decently handy, but this is beyond my scope so I’m looking for contractor prices in the lafayette area if that helps.
It’ll be abutting up to a concrete slab and brick exterior of a house on two sides and I’d like to have rebar drilled into the foundation (if that is even possible).
Thanks for any info.
I’ve never poured a slab and have no idea regarding cost, units of measurement or any of that.
I’m thinking concrete is poured in cubic yards but could be totally wrong on that. There is some drainage and a pergola base that will go into this and cost extra, but what am I looking at ballpark just to pour a 20 foot by 20 foot by 2 foot thick slab?
I’m decently handy, but this is beyond my scope so I’m looking for contractor prices in the lafayette area if that helps.
It’ll be abutting up to a concrete slab and brick exterior of a house on two sides and I’d like to have rebar drilled into the foundation (if that is even possible).
Thanks for any info.
This post was edited on 6/11/21 at 8:29 pm
10
Posted on 6/11/21 at 9:23 pm to boosiebadazz
quote:
2 foot thick slab
You parking tanks on that sumbitch?
Posted on 6/11/21 at 9:24 pm to boosiebadazz
Good lord why would you want to pour a 2ft thick pad for a patio??
That's 30 yards of concrete.
That's 30 yards of concrete.
This post was edited on 6/11/21 at 9:26 pm
Posted on 6/11/21 at 9:36 pm to GeauxldMember
Lol told you I was ignorant to a lot of it.
Ok, let’s say one foot thick and I get some dirt to raise it to level coming out of my sun room.
What’s my rough concrete cost? $10k?
Ok, let’s say one foot thick and I get some dirt to raise it to level coming out of my sun room.
What’s my rough concrete cost? $10k?
This post was edited on 6/11/21 at 9:37 pm
Posted on 6/11/21 at 9:40 pm to boosiebadazz
Generally, patios are only 4 to 6 inches thick. You are right that concrete is measured out by the cubic yard, I'm not sure of the price in laf, but most places it's 105-125/yrd just for the product. So a 1ft thick pad is 15 yards.
This post was edited on 6/11/21 at 9:43 pm
Posted on 6/11/21 at 9:42 pm to boosiebadazz
1' thick? Divide that by 3 and you'll be good.
Posted on 6/11/21 at 9:46 pm to boosiebadazz
Don’t pour a 2’ thick slab and don’t let anyone convince you to. Bring is some fill material to raise to the elevation you want. Install some subsurface draining if necessary. 20x20, 4” thick slab is about
5 cy. So you’d be looking 20-22 yards for 2’ thick plus the added steel and concrete placement
5 cy. So you’d be looking 20-22 yards for 2’ thick plus the added steel and concrete placement
Posted on 6/11/21 at 9:48 pm to crownNbull
That super helpful. I know you may not be local to Lafayette, but what would the concrete itself run where you are?
I’ve got some acorns saved, but I’m trying to see if I’m even in the ballpark before I make any calls to a contractor.
I’ve got some acorns saved, but I’m trying to see if I’m even in the ballpark before I make any calls to a contractor.
This post was edited on 6/11/21 at 9:50 pm
Posted on 6/11/21 at 9:50 pm to rented mule
quote:
it's 105-125/yrd just for the product. So a 1ft thick pad is 15 yards
So about $2,000. That’s encouraging. Rebar, framing and labor about another $2,000 or so?
Posted on 6/11/21 at 9:51 pm to boosiebadazz
Shouldn’t need rebar. Just some welded wire mesh. Doesn’t cost much.
Posted on 6/11/21 at 9:57 pm to boosiebadazz
As a point of reference, I'm not in laffy, but I recently had a 30x12 pad poured and paid around $3100 complete. If you are going to try and pour at 1ft thick I would imagine you would double your labor costs.
I would definitely suggest building up your dirt work, or just have some steps down to your patio.
I would definitely suggest building up your dirt work, or just have some steps down to your patio.
Posted on 6/11/21 at 10:00 pm to rented mule
Awesome. Thanks for the info. I think the Boosie household will be getting a new outdoor area soon.
Posted on 6/11/21 at 10:24 pm to boosiebadazz
Just FYI, if you're looking for a guy to do the work, stay away from this dude
LINK
LINK
Posted on 6/11/21 at 11:09 pm to boosiebadazz
I'm doing a 13x26 slab for my storage shed. The framing starts tomorrow, Saturday. The slab will be 4 inches thick with 8 inch footings running down the length. The quote came to $2550. I'm on the northshore.
This post was edited on 6/11/21 at 11:10 pm
Posted on 6/11/21 at 11:12 pm to boosiebadazz
Concrete is very expensive fill material.
Pour a 4-6” slab with turndown footings on the perimeter.
The fill material and grading won’t be free but it will be way less than the safe foundation you are proposing.
Pour a 4-6” slab with turndown footings on the perimeter.
The fill material and grading won’t be free but it will be way less than the safe foundation you are proposing.
Posted on 6/12/21 at 12:07 am to boosiebadazz
Why not a raised paver type of patio?
Posted on 6/12/21 at 1:59 am to boosiebadazz
You may want to consider doing stamped or imprinted then stained concrete for a patio. There are tons of options and it makes for a really nice look.
Posted on 6/12/21 at 6:22 am to Obtuse1
Sorry for the hijack…any recs for stamped concrete? In Covington area
TIA
TIA
Posted on 6/12/21 at 9:02 am to boosiebadazz
Yeah stick to 4 in slab if you did it 2 feet thick that patio would weigh over 60k pounds ??
You will be able to build a very nice stamped stained patio a heck of a lot cheeper than building a wooden deck and it’s low maintenance
You will be able to build a very nice stamped stained patio a heck of a lot cheeper than building a wooden deck and it’s low maintenance
Posted on 6/12/21 at 9:31 am to boosiebadazz
~6 yards, 400 SF at 4”, you should be looking at the neighborhood of $2500 or so. If you need a 2’ chain wall and sand for fill, that’ll bump your cost up a little.
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