How do you extend a concrete patio?

Quote from the video:
Quote from Youtube video: In some particular brands. I actually have to add powder cement to to make it more workable and creamy. So it's easier to run your joiners. And your edgers.

Can a concrete slab be extended?





Yes, a concrete slab can be extended. This will involve a lot of changes in your current home since concrete slabs have many requirements, and a change in the slab entails a lot of additions to utilities, fixtures, and other building components.

How do you extend a concrete slab?

Quote from the video:
Quote from Youtube video: And then we covered that with polythene again as you can see here and we fold the sides in as I show you we fold the corners in like this. Give you a nice tight corner. Okay and all your corners.

Can you pour concrete under deck?

If you are in an area that freezes, a solid concrete patio under a deck like that will let water stand and freeze on it, then the deck will keep it shaded and the ice will remain there for a longer time, potentially causing damage and safety issues. Pavers let water drain to the soil.

Can you pour concrete next to existing slab?

Sometimes, if the next section is scheduled in a different construction phase, months can pass before the nextion section is poured. And you can’t just pour two slabs next to each other and have them meet the structural requirements of your project; you must join the two concrete slabs in the proper way.

How much does it cost to extend a concrete patio?





Most concrete patio prices range between $1,533 and $4,740 or between $4.40 and $16 per square foot. Small-scale concrete patios average around $650, while large concrete patio installation projects cost an average of $8,050.

How do you extend a concrete porch with wood?

Quote from the video:
Quote from Youtube video: First you need to make sure your concrete porch is structurally. Sound some old porches have hairline cracks that contribute to the old dingy look of concrete. But they are still structurally.

How do I add onto existing concrete?

Quote from the video:
Quote from Youtube video: Today up against the existing slab we're gonna put some a little thin piece of foam it's called iso strip at least that's what we call it so the just in case that slab on the left wants to move.

How do you attach new concrete to old concrete?

Quote from the video:
Quote from Youtube video: So what we're going to do is we're going to drill in some reinforcing bar or some rebar. Some steel dowels into the old concrete. In certain spots and on certain angles.

Can you pour concrete around existing deck posts?



Quote from the video:
Quote from Youtube video: You cut the posts off at the level where the concrete's going to be and you have your contractor. Put in cleats in the concrete.

How do you pour concrete on a wood deck?

How to Pour Concrete Over Wood Decking

  1. Step 1: Evaluating the Existing Wood Decking. The first thing you’ll want to do before you pour concrete over wood decking is to check your existing decking’s condition. …
  2. Step 2: Add A Waterproof Barrier. …
  3. Step 3: Cover the Area with Lathing System. …
  4. Step 4: Mix and Pour the Concrete.


How high can a concrete patio be?



It can be 3 to 4 inches high and supported by a 4-inch gravel base. If your concrete slab is thinner than average then you need to adjust your water to cement ratio to give proper denseness to the slab.

How much does a 12×12 concrete patio cost?

Average Cost To Pour Concrete



To pour a typical 10×10 concrete slab will cost $670 to $930, a 12×12 slab for a patio will cost $796 to $1,476, a 20×24 driveway slab runs between $1,440 and $3,360, and a 24×24 slab for a garage will cost $3,058 to $5,944.

How thick should the concrete be for a patio?

Four inches

Four inches is the minimum thickness for a concrete patio. You’ll want to make it six to eight inches thick if the patio will support a structure such as a gazebo or hot tub.

Can you pour concrete directly on dirt?



Long story short, yes you can pour concrete over dirt.

Do you need gravel under concrete patio?

You do need gravel under a concrete slab, footing, or patio. Gravel provides a solid foundation for your concrete as it can be compacted. It also improves drainage, preventing water from pooling beneath the concrete.

Do you have to put sand under concrete?

As a general rule, stay away from using sand as a subbase. You’re better off using gravel; your concrete will last longer and have less of a chance of cracking over time.

What kind of gravel do you put under concrete?

Most concrete contractors want a mix of coarse and fine aggregate to create a compactable base that is going to be safe for settlement and drainage. Crusher run (a mix of crushed stone and stone dust) is one of the best base materials for concrete flatwork.

Do you need rebar for 4 inch slab?



The thickness of rebar should be no more than 1/8 that of the slab, so a 4” slab shouldn’t have steel greater than #4 or 1/2″ bar. It’s best to check with a Structural Engineer if your slab will bridge or cantilever. What is this? For 4” concrete slabs used for driveways and patios, #3 rebar is common.

What happens if you don’t put gravel under concrete?

Because concrete is a very porous material, it will absorb any moisture that it contacts. This can cause pooling. Without crushed stone, pooling water will settle under it and erode your slab.