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concrete demolition cost per square foot

by Orin Weimann Published 4 years ago Updated 3 years ago

between $2 and $6 per square foot

Full Answer

How much does concrete demolition cost?

The typical cost for concrete demolition is around $1,038, or between $2 and $6 per square foot Get quotes from up to 3 pros! Enter a zip below and get matched to top-rated pros near you. Inspiration struck and now you're thinking about adding a new structure to your home (or rebuilding an existing one).

How much does a 20x30 concrete slab cost?

The average cost of a 20×30 concrete slab is between $2,400 and $4,800. The median price is about $3,600. However, the thickness of the slab and other features may increase or lower the cost. Here is a closer look at the costs involved in adding a 20×30 concrete slab. What Does the Average 20×30 Concrete Slab Include?

How much does it cost to haul away concrete?

In the name of safety, you might also want to have underground lines marked by utility companies. Concrete removal costs $2 to $6 per square foot (including demolition, loading, hauling, and disposal) but could cost more depending on the difficulty and scope of the job as well as the local market.

What is the cost of replacing concrete?

The average cost of concrete ranges from $2.83 to $3.57 per square foot depending on the thickness of the slab poured. The quality of the concrete will depend on how much water vs. cement is mixed in with the aggregate and how clean the water and aggregate are. Concrete Slab Cost Per Square Foot

How much does it cost to remove existing concrete?

Most homeowners pay between $679 and $2,848 for concrete removal, with an average cost of $1,444. The national average cost of concrete removal is $1,444, with a typical range between $679 and $2,848 or between $2 and $6 per square foot.

How much does it cost to jackhammer concrete?

The cost to remove a concrete slab depends on several factors. These include the area of the space, the thickness of the concrete, the working conditions, and whether the concrete is reinforced or non-reinforced. On average the cost of demolition is around $2 – $6 per square foot for smaller projects.

How do you remove old concrete?

Steps for Removing a Concrete SlabStep 1: Create a Void Under the Concrete. The best way to speed up concrete removal is to create a void underneath the section of slab you're working on. ... Step 2: It's Hammer Time. ... Step 3: Pull Apart and Remove the Broken Concrete. ... Step 4: Repeat Steps Until Concrete Is Demolished.

How do you bust up a concrete slab?

1:533:13Busting up Concrete Without a Jackhammer - YouTubeYouTubeStart of suggested clipEnd of suggested clipBut if you have a hard substrate. Get yourself a 2x4. And cut in that angle on it and then hit it inMoreBut if you have a hard substrate. Get yourself a 2x4. And cut in that angle on it and then hit it in with a hammer underneath your concrete. And that will give you the void.

How do you calculate concrete demolition?

Square Footage The size of concrete you need cleared is a good starting point to estimate costs for concrete demolition. $2 to $6 per square foot is standard, which includes labor and dumping fees. Laying new concrete over the old space is not included in this price range.

How much does it cost to pour a 8x8 concrete slab?

A typical concrete slab will cost between $113 and $126 per cubic yard (27 cubic feet) or $5.35 to $6.17 per square foot on average....Concrete Slab Prices By Size.Slab SizeSquare FeetAverage Cost Installed8x864$39510x10100$61712x12144$88815x15225$1,3886 more rows

Can I remove concrete myself?

Tearing up concrete yourself can also save you a ton of money. Hiring a contractor just to demolish a 12 x 14-ft. patio could cost you $1,400 or more. If you do it yourself, the cost to remove a concrete driveway will run you about $400, including rental and disposal.

What chemical will dissolve concrete?

Concrete is a durable building material that takes special materials to dissolve once it's hardened into place. Phosphoric acid and trisodium phosphate are the main compounds used to dissolve concrete leftover from masonry work.

Can you pour concrete over concrete?

You can put new concrete over old concrete. However, unresolved issues with your old concrete, such as cracks or frost heaves, will carry over to your new concrete if not taken care of. In addition, you must pour it at least 2 inches thick.

Does vinegar dissolve concrete?

Will Vinegar Damage Concrete? Cleaning concrete with vinegar will not damage it! However, saturating concrete for an extended period will damage the cement that binds concrete together. Over time, vinegar erodes the concrete itself, so be careful.

Can you use a hammer drill to break up concrete?

Hammer drills do not have a chiseling function and can be used to drill into a variety of materials. Rotary hammers use an electro-pneumatic hammer piston to generate high impact energy, which allows it to drill or demolish concrete.

Do you need rebar for 4 inch slab?

No, rebar is not required for a 4-inch slab of concrete on grade. A 4-inch-thick slab cast on the ground and in constant touch with it will float, with no need for rebar. For concrete that is 5–6 inches thick, rebar is suggested. The thicker the slab, the more durable it will be.

Per Square Foot Costing

Having a way to measure concrete removal costs makes it convenient to price this service. Most contractors usually charge between $2 and $6 per square foot of concrete removal and demolition.

Per Ton Costing

Per ton costing of concrete removal is mostly associated with post demolition cleanup.

Concrete Stair Removal Costs

Getting deeper into our discussion on demolition costs, we’ll start by looking at costs for concrete stair removal. It will cost you around $250 and $400 to have your concrete stair removed or demolished.

Concrete Slab Removal Costs

When dealing with a concrete slab, you’re likely to attract an average demolition cost of about $600. However, the nature of the job in terms of slab thickness and reinforcements would drive up prices to as much as $3,000.

Cost To Remove Concrete Driveway

If a driveway is involved, the approach to costing is quite different.

Cost To Remove Concrete Sidewalk

When concrete sidewalk demolition is involved, the homeowner may incur a fee of around $535 to $1,510. An assessment of your sidewalk’s condition will determine your exact costs.

Concrete Patio Removal Costs

Whatever the reasons for demolishing your patio are, the cost of removal will be influenced by its thickness.

How thick is a concrete slab?

However, the price per square foot may be less for larger areas. 4. Slab thickness. The standard thickness of a concrete slab is about 4 inches. Anything thicker than four inches will be more expensive to remove.

Can you put concrete in a garage?

Large pieces of concrete cannot be put out with the garage. Depending on the amount of concrete, your contractor may need to rent a dumpster or another trash container. Additionally, the landfill will likely charge a fixed fee per ton to dump the concrete. 9.

How much does it cost to remove unreinforced concrete?

It is much easier to break into pieces, so it may be cut and removed quickly, even by hand if necessary. It costs between $2 and $4 a square foot to remove, depending on thickness and location.

What factors impact the cost of concrete removal?

Many factors ultimately impact the cost of your concrete removal. This includes whether machinery is used or if the concrete needs to be broken and removed by hand. The concrete thickness and size also have an impact. The thicker the concrete, the harder it is to remove.

How much does it cost to remove concrete gutters?

They are occasionally found on certain types of houses. They are also easy to break up and remove at an average cost of $350 - $500.

What are the two types of concrete?

There are two basic types of concrete: unreinforced, which is just a concrete slab, and reinforced, which has rebar embedded in it. Both have a range of removal costs, depending on the location and size of the area, thickness, and how difficult it is to get machinery into the area: Concrete Type.

How much does it cost to cut rebar?

This requires cutting through both the concrete and the rebar and costs between $4 - $6 a square foot.

How much does it cost to remove an old foundation?

If you have an old foundation that needs to be removed to replace an existing foundation or make way for new construction, the cost to remove an old one is between $4,000 and $10,000, depending on the size and how it was reinforced.

How much does it cost to remove a slab?

They can be a few inches thick to a full foot thick, so they have a wide range of costs associated with their removal. The average range is $600 - $1,000.

The National Average is Important

Whether you’re demolishing a residential or commercial building or structure, you’ll need to have an understanding of the national average.

i. Obtain Demolition Estimates From Multiple Contractors

Every demolition job is unique. In other words, the cost details for demoing a structure differ from one building to the next. This is hinged on several factors such as the size, location, and lots more.

ii. Accurately Measuring the Structure

Demolition costs are priced per square foot. As such, obtaining an estimate of demolition costs will require measuring the structure as accurately as possible. Now, not everyone knows how to measure or calculate square footage.

Calculating Square Footage

Square footage calculation isn’t rocket science. You’ll need the right tools.

iii. Obtain Information on Hauling and Landfill Fees

As part of the cost estimation for demolition projects, the need to obtain information on hauling and landfill fees is important. When using the services of a demolition contractor, your hauling and landfill fees might be included in the total cost estimates.

iv. Inspecting for Hazardous Materials

Certain circumstances affecting demolition costs are considered special.

v. License & Permit Costs are Important

Another tip on estimating demolition costs is by factoring in the cost of licensing and permits. This varies from one location to the next. On average, expect to pay an average of $200.

How much does it cost to demolish a commercial building?

The national average to demolish a commercial building is roughly $24,000. However, to accurately estimate how much your commercial demolition will cost, there are a few factors you'll need to consider.

How much does it cost to remove asbestos?

It typically costs $2 - $3 per square foot to remove asbestos, but always get a written estimate of how much the removal/disposal will cost from the abatement professional.

Is demolition permit included in demolition cost?

Permit cost is generally included in the price of your demolition service , but be sure to confirm this with your contractor when you get your written estimate.

Why do you need to demolish a building?

The most common and important one is that you have an old building that is a safety hazard. Of course demolishing a building is not always a real safe thing to do either.

Why do you hire a handyman for demolition?

Another good reason for bringing in professionals for a demolition job is liability and insurance factors. If you decide to hire an odd job or handy man to do your demolition work they could end up getting injured or someone else could get injured or there could be some property damage.

What is more expensive, concrete or stone?

Outdoors, asphalt, plain concrete and gravel are more affordable, while natural stone and pavers are more expensive. Indoors, laminates and ceramic tiles will cost less, while granite, marble and hardwood will cost more. Decorative concrete is great if you can afford to spend some extra money but don’t want to break the bank.

What factors affect the cost of concrete?

Factors that influence the cost of decorative concrete: 1 The number of colors used 2 The number of stamping textures used 3 The detail of the design (i.e. complicated patterns are expensive) 4 Special details such as embeds (common in countertops) 5 Specialty form or mold work (i.e. curves and unique shapes cost more) 6 Level of polishing

What are the factors that determine the price of concrete?

Some of these factors include the following: grading, subbase preparation, concrete forms and finishing, reinforcement, and the local cost of concrete.

What is decorative concrete?

Decorative concrete is a good option for homeowners that want a high-end look without the high-end price tag. Concrete is a versatile material that can be used for floors, countertops, patios, driveways and more. Techniques such as stamping, staining and polishing, can transform concrete to look like flagstone, marble or other expensive materials at a fraction of the cost.

What is needed to repair cracks in concrete?

Reinforcement is required because all concrete cracks, so if you want your cracks to remain small, you'll need reinforcement. Wire mesh, re-bar, plastic mesh, and fiber in the mix are all commonly used materials.

What materials are used for concrete?

The typical materials used are concrete mix, forming supplies, texturing and coloring products, sealers, etc. Labor will vary depending on your project - its size, whether you have new or existing concrete, how detailed the decorative work will be and more.

How Much Does Concrete Removal Per Square foot?

  • Concrete demolition is performed on a wide range of projects. These may be commercial or residential projects. The national average cost for concrete removal is $1,032. If you require demolition services on your property, the typical range will be from $537 to $1,544. In terms of the lowest and highest possible cost to haul away concrete, you’re li...
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Concrete Removal Costs by Type

  • This is an important aspect of concrete removal costing. The cost of demolishing a concrete structure will be determined by what’s being demolished. There’s never a shortage of these. A few types include stairs, slab, driveway, sidewalk, and patio concretes. Getting deeper into our discussion on demolition costs, we’ll start by looking at costs for concrete stair removal. It will c…
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Concrete Demolition and Replacement Costs

  • In the course of our discussion so far, we’ve talked about concrete demolition and installation for some types of projects. Here, we’ll be explaining the cost implications a bit further. It’s important to note that replacement costs are added to your removal costs. So, for concrete driveway replacement, you may incur a fee between $1,800 to $6,000. This will be higher when combined …
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