Building A Concrete Wall On Concrete Slab
The depth and size of the foundation will vary depending on the size of the concrete block wall and the weight it must support but a typical freestanding wall requires a foundation that is about twice as wide as the wall itself and which extends about 1 foot down below the frost line.
Building a concrete wall on concrete slab. A poured wall is much stronger and generally last many more years than a block wall. Contact your local building department to see whether a permit is required and how close to the lot. Stake and brace the side form. Your local building code may call for the wall to be anchored to the slab with threaded rods.
If you want to build a concrete retaining wall you should consider pouring the wall rather than making it out of concrete blocks. Pouring a concrete retaining wall is not that difficult and this easy to follow how to guide will show you just what to do. Set and level one side. How to build a wall on a concrete slab step 1.
All concrete block walls must rest on a sturdy foundation of poured concrete. Project step by step 16 prepare the site. Stretch a tape measure across the concrete slab and mark the position of the wall s ends. Cut a 2x12 to length or splice it with a cleat for one side of the concrete forms and nail it.
Then fill the holes in the slab with hydraulic cement. Remove the curb and clean the slab thoroughly with a wire brush.