A Residential Foundations License covers the construction, installation or repair of forms, reinforcing steel and pouring and finishing of concrete slabs for homes. To become a licensed residential foundations contractor in the state of Louisiana, you are required to pass an closed-book exam. We offer the recommended books, tabs, and a fully online and inclusive educational course to prepare you to sit for the Louisiana Concrete exam. @HomePrep is a National Leader in online education. With over 100,000 satisfied students and a course catalog of over 1,000 classes, we are here to help you - Invest in Yourself.