DIRTCO Construction of Austin, Texas
A concrete slab for a home addition.

Adding a room to an existing house built on a slab requires extra care to prevent them from separating due to changes in temperature and humidity. Like other concrete slabs, it begins with proper layout and soil preparation.


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After carefully cutting the footers, the DIRTCO crew begins laying out the filler material.

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Forms for pouring the concrete are set and inspected to be sure the dimensions are correct and each corner perfectly square. DIRTCO crews also set the reinforcing steel in the proper location and depth for the best result.

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The actual pouring of concrete is possibly the most critical time. There are several issues that have to be addressed, such as calculating the correct amount of concrete mix to order, the method of delivery to the site and sufficient manpower to complete the work once it begins. Pouring and finishing must be completed before the concrete begins to harden.

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The crew fills the footers first, making sure no air pockets remain. Working the concrete back and forth helps the material settle evenly and eliminates the high and low spots. With the existing house abutting the new concrete, DIRTCO technicians hand trowel the finish directly adjacent to the structure.

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Final finish of the slab is methodically done with a large float for a smooth consistent surface.

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Call DIRTCO Construction at 512-844-4366
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Tracen Gardner, Owner

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