Reinforced Concrete

Slab on Grade Foundation Commercial Service

In the building industry, certain types of foundations are generally referred to as slabs on grade, or simply said, a slab on grade foundation. They are often used on commercial properties and residential homes for their low cost and ease of construction.

A slab foundation can be designed with any type of shape or size, but typically have a footing at the bottom that is dug into the ground and anchored to a pier foundation and the top is stabilized using piles that penetrate into the soil. Void filling foam is used to fill the “slab” until its placed onto the foundation. Void fill concrete is used to provide strength and support for the slab and keep it in place until the concrete cures.

commercial concrete floor
slab on grade

Slab-On-Grade With Thickened Slab

This is similar to a conventional foundation except that the actual concrete slab is placed on top of the soil before the concrete cure is completed. This type of slab is usually used when a building needs to be very strong or it has a large area and has to be very thick in order for it not to settle, cap slopes, and allow water to flow through.


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Floating Slab vs Slab On Grade

Slab on grade and floating are two different forms of foundations that have their own specific advantages and disadvantages. 

Slab on grade foundation can be constructed at high speed and because the ground does not have to be dug out, this allows for other activities to take place around the construction. This foundation can also be constructed in areas that may be hard to access with heavy equipment. This includes shallow wet areas, where traditional types of foundations aren’t possible. Slab on grade foundations is less expensive than traditional foundations due to their ease of installation and compact form.

Floating slab foundations can be constructed in areas where traditional foundations cannot be placed such as a sunken road or in a small hollow. The disadvantage of this foundation type is that it requires more work to get the job done. It also has limited use for areas where there is not full access to the ground, as this type of foundation cannot be installed without disturbing the ground.

floating slab

Slab On Grade Insulation Details


  • Can easily be removed if needed and can also be used in other places such as basements and crawl spaces.
  • Can be installed after the concrete has been poured and cured, which saves time during the construction process.

Insulation can be placed on any type of slab foundation to reduce energy loss due to heat transfer. It is recommended that an insulation thickness of at least R-20 be placed on the concrete. Insulation should be placed to cover both sides of the foundation wall, top, bottom and perimeter areas, in order to provide effective heat loss reduction.


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They Turn Back Time

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One Year Later

“It has been a year since you guys came out my sidewalk still looks good and has not moved. I am glad I called FoamWorks. Thanks!”

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Friendly and Professional

“Very friendly and professional!!! I would recommend to anyone needing this type of work done !!!!

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Reinforced Concrete Slab On Grade For Warehouses

Warehouses can be built with a slab on grade for their foundations. These foundations are generally used for storage buildings, manufacturing centers, and other types of buildings that may have high amounts of weight. Reinforced concrete is usually used in these structures to provide stability and make it stronger to withstand the weight of a building. A reinforced concrete slab on a grade foundation can also be used for bridge construction.

Slab on grade foundations are an excellent building construction for many situations. They can be used in a wide variety of settings and have many uses both inside and outside the building. Slab on grade foundations is used for commercial purposes along with residential structures and other buildings that require them. With proper design, installation, and maintenance, this type of foundation can last for years providing many benefits to the construction and its environment. This type of foundation is good for those who are looking to build a strong structure to support their projects while making it more cost effective than conventional foundations.

warehouse foundation
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Have A Few More Questions?

A slab-on-grade foundation is a type of foundation that is poured directly on the ground. This type of foundation is often used in areas that have high water tables or are prone to flooding.

A slab on grade is a type of construction where the foundation is poured directly on the ground. This type of construction is often used in areas that have high water tables or are prone to flooding.

There are many reasons why you might need slab-on-grade construction. Some of these reasons include high water tables, flooding, and soil instability.

The strength of concrete experiencing the weight of a slab on grade is between 1500 and 4000 psi. The actual strength depends on the type of mixture used, moisture content and the size of aggregate particles.


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