Before beginning construction, it is important to prepare the slab extension area. After building concrete forms and installing rebar, once the concrete has set it is important to smooth and finish it as quickly as possible.

Preparation

Before beginning to expand your concrete slab, it is necessary to prepare the area. This includes digging a trench for your frame and preparing a base using crushed stone or sand which should then be compacted thoroughly; keep in mind the size of your finished concrete slab when determining how much base material …