can i pour a concrete slab directly onto dirt

Can I Pour a Concrete Slab Directly onto Dirt ...

Aug 03, 2020  The question is whether or not you can pour concrete directly on top of dirt. Pros and other experts will generally recommend sand, gravel, or some other aggregate as a base for the slab.

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Can You Pour Concrete Over Dirt? Razorback Concrete

Jul 01, 2020  If the base you are pouring the concrete onto is flawed in any way, it is going to directly impact the quality of the final product. That’s why dirt isn’t always advisable. If the weight of the concrete deforms the dirt base in any way, the entire concrete structure will be flawed.

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How to Pour Concrete Over Dirt Hunker

Prepare the dirt before pouring concrete. If you are constructing a patio, shed or a sidewalk, the process often starts with pouring a solid concrete base to provide sturdy support. Home owners can accomplish the task themselves by pouring the concrete directly on the ground in the installation area.

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Can I Pour Concrete on a Dirt Floor? » The Money Pit

TOM: Yeah. You can – there’s plastic dust covers and things like that. But you want a floor that you could actually use, so the concrete is the best way to go. ROB: OK. Alright. TOM: You could probably also lay brick pavers on a dirt floor. But it’d be a lot of work because you’d have to

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Help! 2 days before they pour Concrete Patio directly on dirt!

Jul 28, 2007  My concrete contractor is constructing an 800 sq. ft. patio here in Utah. After removing the sod, and packing down the "fill" dirt from the original home construction (6 years old) with the skid steer, he said that they can pour directly on this surface.

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Can I pour my concrete patio floor directly over dirt ...

Jul 06, 2020  A patio is typically a 3.5" - 4" thick slab from edge to edge. You would need footings under any load-bearing posts or walls that could handle the ceiling roof loads. As ConstructionAg suggested, drill some dowels and use rebar (preferably with epoxy) in the existing slab. This will help prevent any movement and uneven shifting of the new slab.

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Laying paving slabs direct onto earth DIYnot Forums

Jun 19, 2012  cheers, i will try this. i have actually laid paving slabs directly onto bare soil many years ago and they seemed fine. my other half insists that we put down sand before plonking the paving slabs down this time but i thought this would just make it worse

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How to Pour a Slab on Clay Soil Home Guides SF Gate

Dec 14, 2018  Using a dryer final mix results in a stronger slab and prevents water absorption by the underlying soil. Allow the concrete sufficient time to settle and begin to cure before troweling the top...

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Can you lay concrete on soil? - Quora

Yes. Depending on the end use of the concrete, it is generally best to stabilize and compact the soil first. Nearly 50 years ago, I poured a concrete footing for a brick pillar and wood panel fence directly on the soil. (Well, in a shallow trench ...

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Can I Pour Concrete on a Dirt Floor? » The Money Pit

TOM: Yeah. You can – there’s plastic dust covers and things like that. But you want a floor that you could actually use, so the concrete is the best way to go. ROB: OK. Alright. TOM: You could probably also lay brick pavers on a dirt floor. But it’d be a lot of work

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Laying paving slabs direct onto earth DIYnot Forums

Jun 19, 2012  cheers, i will try this. i have actually laid paving slabs directly onto bare soil many years ago and they seemed fine. my other half insists that we put down sand before plonking the paving slabs down this time but i thought this would just make it worse

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How to Pour Concrete Over-Existing Concrete Slab? - The ...

A well-poured concrete slab with a deep, sturdy foundation can last for 30 to 40 years. Pouring concrete over old concrete instead of directly over a new gravel foundation limits your ability to maximize the slab's lifespan. The condition of the existing slab is the primary factor that determines how long the new concrete will last.

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How to Pour a Slab on Clay Soil Home Guides SF Gate

Dec 14, 2018  Slabs made of concrete can be large or small, and have a variety of uses around the home. Unfortunately, if you have clay-heavy soil, then you may run into difficulty when pouring a slab.

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Can you lay concrete on soil? - Quora

Yes. Depending on the end use of the concrete, it is generally best to stabilize and compact the soil first. Nearly 50 years ago, I poured a concrete footing for a brick pillar and wood panel fence directly on the soil. (Well, in a shallow trench ...

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Pouring Concrete in the Winter: 7 Things You Must Consider

Sep 30, 2019  3. The sub-base that you’re pouring on. If you’re pouring directly onto dirt or a plastic vapor barrier on top of the dirt, a cold sub-base will rapidly suck the heat out of the concrete. Because of this, you shouldn’t pour if the temperatures are lower than

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Does Anybody Use Sand as a Base Before They Pour Concrete ...

Otherwise, what is under a slab depends on the ground you are pouring the slab on, some soils don't need anything, some need a lot of help. From American Concrete Institute ACI360R-10 Guide to Design of Slabs-on-Ground 4.5 Design of Slab-support system 4.5.1 General "After subgrade soils have been classified, the general range of K values can ...

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How to Add Concrete to Existing Concrete (with Pictures ...

Oct 08, 2020  Choose a coarse aggregate concrete when pouring thicker slabs. Coarse concrete has gravel or larger stones as an additive. This type of concrete is stronger but less dense, so you can safely pour a large slab onto existing concrete

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Do I Need a Vapor Barrier Under Concrete Slab?

Site preparation for slab-on-grade or concrete pads on the ground is important to the structural integrity and life span of the concrete. While it is acceptable to pour sidewalks, patios, driveways, and shed floors directly on undisturbed or compacted soil, it isn’t recommended. Pouring concrete directly onto dirt can cause the pad to crack ...

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How Engineers Make Plain Old Dirt as Strong As Concrete

May 17, 2016  How Engineers Make Plain Old Dirt as Strong As Concrete. A humble pile of sand can make a pretty good foundation so long as you treat it right. If

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How To Install Pine Flooring On Concrete Slab? - Haener Block

Can you lay floorboards on concrete? Laying a solid wood floor over concrete. Both solid wood flooring and engineered wood flooring can be laid onto a concrete subfloor. Can I pour concrete directly on dirt? Long story short, yes you can pour concrete over dirt. How do you prepare a concrete floor for peel and stick tile?

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Can you put a shed on dirt?

Feb 06, 2020  Can I put a plastic shed on dirt? So let's start by thinking about building your brand new shed directly on the ground. Even if you take the time to remove the grass and flatten the dirt, over time the soil will erode and shift. These sheds require some form of concrete, wood, or plastic shed base that they can be anchored to.

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Subgrades and Subbases for Slabs Concrete Construction ...

Nov 22, 2017  The bottom layer is the soil subgrade. This obviously varies widely by geographical region. In some regions the subgrade may be supportive enough to place the slab directly onto, in others it can be so poor that the only choice is to build a structural suspended slab.

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An Easy Way to Build Retaining Walls: Leave the Concrete ...

Oct 19, 2018  The water needs to be mixed into the concrete; you can't just hope for it to percolate through, otherwise you get the worst of both—too much water on the outside, insufficient water on the inside. He recounted a story where one construction site consistently got good concrete in the morning, but the concrete made with the afternoon shipment ...

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Pouring Concrete in the Winter: 7 Things You Must Consider

Sep 30, 2019  3. The sub-base that you’re pouring on. If you’re pouring directly onto dirt or a plastic vapor barrier on top of the dirt, a cold sub-base will rapidly suck the heat out of the concrete. Because of this, you shouldn’t pour if the temperatures are lower than

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Question: Best Flooring For Concrete Slab House? - Haener ...

7 Can I pour concrete directly on dirt? ... It’s unaffected by moisture and goes directly onto concrete that’s smooth and free of cracks. ... Solid parquet hardwood flooring can be glued directly to a concrete slab on grade or above grade with the use of a manufacturer recommended vapor retarder.

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How should an area be prepared for concrete pouring ...

Dont lay the concrete directly over the soil, if the weather is warm, sprinkle with water when hardening of and if possible drape over some wet hessian. If its only bases for a shed and greenhouse, it might be cheaper to put in 100mm type1, compact and lay some 600x600x50mm slabs on a sand/cement mortar.

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12 Most Common Mistakes When Pouring Concrete The Family ...

Sep 04, 2020  Pouring Too Thin. Concrete can be strong and long lasting, but only if it’s thick enough. Are you pouring a concrete slab for a shed floor or DIY patio? This is the most common application for DIY concrete pouring. Be sure you never make your slab thinner than four inches for any application. Six inches is the minimum thickness for a concrete ...

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Do you have to remove the grass before pouring a concrete ...

Dec 21, 2011  You can pour concrete over grass and it will not affect performance. However, you should really put down a gravel base before pouring the concrete or it will not hold up longterm. Reply. 80's_kid December 21, 2011. your supposed to pour concrete on a hard, tampered surface. if it’s grass, then your supposed to put a layer of gravel down first ...

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Real Estate – Sumoscience

Jul 09, 2020  Can I Pour a Concrete Slab Directly onto Dirt? Search online for DIY instructions on pouring your own concrete slab and you are likely to find plenty of... Author sumoscience. Real Estate Posted on July 9, 2020 August 13, 2020 6 Things One Should Watch

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Subgrades and Subbases for Slabs Concrete Construction ...

Nov 22, 2017  The bottom layer is the soil subgrade. This obviously varies widely by geographical region. In some regions the subgrade may be supportive enough to place the slab directly onto, in others it can be so poor that the only choice is to build a structural suspended slab.

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How Engineers Make Plain Old Dirt as Strong As Concrete

May 17, 2016  How Engineers Make Plain Old Dirt as Strong As Concrete. A humble pile of sand can make a pretty good foundation so long as you treat it right. If

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Curing Concrete Dos and Don'ts - Bob Vila

After that, you can drive regular passenger cars on the concrete; heavy pickups or RVs can roll onto the driveway once the concrete reaches its full strength, at around 28 days. This content has ...

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Why Not Put a Shed Directly on to Gravel or Slabs?

Oct 25, 2016  Placing a shed directly onto hardcore or concrete slab bases effectively traps a pocket of air between the base of your shed and the ground. This air pocket can become quite moist and the moisture then condenses on the wooden base of the shed, posing a risk of rotting from the bottom up. Our plastic shed base panels allow for constant air ...

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Pouring Concrete on Frozen Ground Powerblanket Concrete ...

Nov 28, 2018  Pouring fresh concrete directly onto frozen ground may seem like a time saving option, but will lead to costly delays, repairs, and re-pours. Ground Thaw Methods. Concrete crews have used a wide variety of warming methods to try and melt ice and snow and prep frozen ground before a pour.

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Pouring Finishing Concrete Slabs QUIKRETE: Cement and ...

When working with cement-based products, always wear eye protection and waterproof gloves. Step 1. Prior to placing concrete forms: Construct the form with 2x4 or 2x6 lumber and secure in place by wood stakes and deck screws. Excavate the slab area to a depth of about 7 inches, allowing 3 inches for a gravel base and 4 inches for concrete. Step 2.

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Do You Need Gravel Under Concrete Patio, Slab, Footings?

Slabs set directly onto earth will often experience damp spots on the top surface as water wicks up from the dirt into the slab and then onto the surface. The stability and drainage properties of gravel make it an excellent base for a slab, and it also reduces the amount of concrete you’ll need to pour.

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An Easy Way to Build Retaining Walls: Leave the Concrete ...

Oct 19, 2018  The water needs to be mixed into the concrete; you can't just hope for it to percolate through, otherwise you get the worst of both—too much water on the outside, insufficient water on the inside. He recounted a story where one construction site consistently got good concrete in the morning, but the concrete made with the afternoon shipment ...

get price