813Z Fall 2025 The Secrets Inside Your Walls

Many live in multifamily, multistory residential buildings: e.g. condominiums, apartments, coops. Learn about the inner physical workings of these modern buildings: what's inside your walls, floors, and ceilings. Gain a better understanding of general layouts, concealed features, and the reasons behind those mysterious noises. 

Bruce Cranford has been an adjunct professor at Howard Community College in Columbia, MD since June 2021. He regularly teaches space classes for OLLI Mason as well as at the Montgomery College Lifelong Learning Institute in Rockville, Md.