Finally there's a video that explains how to properly build a concrete slab from start to finish! See the entire process step-by-step, from grading the site to polishing the perfect concrete slab. Slab-on-grade construction is popular in strawbale and frame house construction, and for numerous projects such as garages, guest cottages, outdoor patios, additions, workshops, and studios. This video includes up-to-date information to build your own concrete slab foundation to code. General contractor Andrew Morrison walks you through each stage of the concrete foundation building process.