Construction Instruction is one of the most well-known building science groups in the Unites States. Co-founder and president, Mark LaLiberte, leverages his more than 30 years in the building industry to educate builders, architects, and manufacturers on the current and future state of housing. Wall Types In this video, Mark discusses the different wall types in construction and the benefits / drawbacks of each. Understanding the different wall options and the benefits and risks for each will be a great starting point in your Building Science Education, and also serve as a great refresher for those already knowledgeable. You can find a large variety of Building Science training sessions on the Construction Instruction website as well.