Forming a Small Concrete Slab: Good slabs need good bases. Compacted soil below reduces the odds of settling and cracked concrete. That soil is topped with a layer of gravel that makes setting the forms at the desired pitch a simple matter.
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Part 1: Forming a Small Concrete Slab Get the base right and the rest is easy |
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Mixing concrete with a hoe in a wheelbarrow is simple and fast |
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Part 3: Placing and Finishing a Small Slab Tamp down the aggregate in the mix to make a surface that’s easy to finish |
Read the related article:
Placing a Small Concrete Slab
I never sink the nails all the way in when constructing a small cement form because when you try to take the form apart the problems start! Instead, I either use a double headed nail or sink the nails 90% so I can remove the nails with a hammer claw or cats paw tool.
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By using 2x4 forms you will not get a 4 inch thick slab as stated. Last time I checked a 2x4 will give you a 3.5 inch thick slab. Actually probably less than that since the form will settle into the gravel somewhat.