Types of Concrete Waterproofing. 1 1. Cementitious Waterproofing. Cementitious waterproofing is the easiest method of waterproofing in construction work. The materials which are used ... 2 2. Liquid Waterproofing Membrane. 3 3. Bituminous Coating. 4 4. Bituminous Membrane. 5 5. Admixtures.