A brief overview of basement Water Proofing
New construction sites have a separate set of problems compared with an existing building. An existing building has a history of resisting water. In a new building, you are excavating into the unknown as there is a lack of below-ground water history. This starts with a desk study, followed by a site inspection. These steps help to create an installation specification.
Type A system and a type B combined waterproofing system is ideal and recommended in walls of new homes, but may require a drain installed to prevent ground. By combining these, you may create a “tanked” construction. This construction can resist water penetration.
Notes:
The A system: A coating system or membrane applied to the building’s walls and floors to resist the passage of groundwater, combined with a land drain. This prevents water from finding a defect in the coating or membrane.
Type B system: This is the best form of structural waterproofing system.
A type C system: This is a studded plastic membrane that controls any water entering the building and repairs a damp area. The cavity drain system is a building failure management system. It does not make the structure water-resistant. Water entering the system should have a discharge point.
