How much concrete is needed to make a 19x20 slab?

The amount of concrete needed for a 19-by-20 slab will depend on the inches of thickness. A 4-inch thickness will require 4.69 cubic yards, a 6-inch thickness equals 7.04 cubic yards and an 8-inch ... Read More »

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How much concrete is needed to pour a 20x20 concrete slab?

Assuming the slab is three-inches thick, you need 13,320 pounds of dry concrete, or 333 40-pound bags. You can calculate the exact amount for a different depth by calculating the cubic yards of the... Read More »

Can I Pour a Concrete Slab Over an Existing Slab?

You can pour more concrete over an existing slab if you do some preparation to the original surface. The problem with adding wet concrete to cured concrete is there will be no adhesion between the ... Read More »
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How much concrete do i need for a slab?

Use about 115 percent of the finished slab volume. Concrete volume in cubic yards equals the surface area in square feet multiplied by the slab thickness in feet divided by 27. Normal slab thicknes... Read More »

How to Add a Concrete Slab on Top of Another Concrete Slab?

Over time, harsh weather and regular foot traffic will cause concrete slabs to wear out. Adding a new concrete layer on top of an existing concrete slab is commonly referred to as concrete overlay.... Read More »

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