Then, drive four stakes to indicate the corners of your slab. Use a line level and string to find out how much the ground slopes. If your site is sloped, you will need a lot of soil to make it flat. You might also need to build up a low section. Build up the Concrete Formwork...
Excavate -- and level if necessary.Slope a patio slab approximately ¼ inch per 12 feet away from your house to allow rain to run off and avoid damage to your foundation. Install subbase. Add 1”-1 ¼ ” gravel for every inch of concrete you plan to install. Tamp down for a soli...
DEAR TIM:Right at the top of my honey-do list is pouring concrete for a 15 by 25 feet patio at my home. The patio will be 5-inches thick. My calculations indicate this is almost six cubic yards of concrete. How many people will I need to help me pour this concrete slab. The clos...