Unlock the potential of your lower level with our guide on basement construction, featuring waterproofing, finishing tips, and more. After that, build walls of the basement. Remember, the walls of the basement should be strong. So, before backfilling, cover the outward part with waterproofing plaster water leakage. Complete waterproofing of the inner part of the wall too. BASEMENT definition: 1. a part of a building consisting of rooms that are partly or completely below the level of the…. Learn more. Discover the basement meaning, what a basement is, and how to define a basement in construction.
