Sunday Morning Tip for May 15: How Much Concrete Do You Need For a Cement Pad in Your Backyard?

<span>Sunday Morning Tip for May 15:</span> How Much Concrete Do You Need For a Cement Pad in Your Backyard?
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    Spring is here, and it is time for those backyard projects to start.

    If you are doing a project that requires you to pour a cement pad or slab in your backyard, you need to know how much concrete you will need in order to complete the slab.


Considering that you want to balance a quality concrete slab with your budget, you don’t want to have too much or too little. If you have too little, you can either not get the right size slab or the quality of the cement can go down.

If you have too much and mix it all at the same time, you’ll lose out on a lot of money.

Here is how to figure out how much concrete you need for your new cement slab.

How Do You Figure Out the Volume of Concrete Necessary?

Your priority is to figure out the volume of concrete necessary to fill your slab. In order to do so, you will need to multiply its length by the width by the depth (all in feet), which will give you the number of cubic feet.

Unfortunately, it is common for people to underestimate the depth of the slab. This is because most people just consider how much cement is seen above the ground and not how much goes under the pad. Unfortunately, it is common for people to underestimate the depth of the slab.

If you intend to put a table and chairs on it, then the recommendation is typically four inches. If you plan on building a shed or storing a boat on top of the pad, then it may be better to use five to six inches of concrete.

Once you have the dimensions figured out, you have to divide the total volume by 27. Then, add five percent; this will give you the number of yards of concrete necessary to complete your project.

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Speak With the Ready Mix Company

After you do some additional reading on how to construct your cement slab you can choose to rent a small mixer and bags of concrete yourself or you can work with a mixing company to manage the cement mixing and pouring.

If you choose to work with a company, it’s important that you not only set up an appointment for them to come in, but also make sure that you speak to them the day before they come in to pour. Dispatchers at these companies can be really helpful.

If, for example, you order a 3,200-lb., a mix containing a five percent air entrainment, you will need to confirm this with them before they bring it in. They can also confirm the yards used in each pound of cement.

Always Triple-Check Your Concrete Forms

Before the concrete is even poured, you need to triple-check your concrete forms.

Are they completely straight? Are they level? Are they square? Are they well braced?

You need to be able to answer "yes" to all of these questions so that you know you will have the proper amount of concrete for your cement pad.

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Make Sure Your Slab is Properly Partitioned

If your slab is not properly partitioned, your measurements could be off. Also, take note that if you have never poured a huge slab or if the weather is too dry and hot (which causes concrete to rapidly harden), you’ll need to divide your slab down the middle. Then, you can fill each of the two halves on different days.

This helps to lessen the amount of concrete necessary to finish the project. Just remember to remove the divider before you pour the second half of the concrete in.

Pouring a concrete slab can be tricky, especially if you are not sure of how to proceed. Make sure you have properly calculated how much

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