The durability of a building is largely determined by the proper execution of all types of waterproofing. One of them is the so-called. bottom horizontal waterproofing laid directly on the surface of the strip footing. However, to make it carefully, the surface of the bench should be leveled by applying a thin leveling layer of cement mortar. After applying the mortar, it smoothes it with a long wooden patch, removing its excess. Then you need to thoroughly trowel the surface with a steel plastering trowel.
