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Waterproofing an existing basement begins with excavating to the bottom sides of the footings. Once excavated, the walls are then power washed and allowed to dry. The dry walls are sealed with a waterproofing membrane, [3] and new drainage tiles (weeping tiles) are placed at the side of the footing.
A metal damp proof course (DPC) between the stone foundation and brick wall. Damp proofing in construction is a type of moisture control applied to building walls and floors to prevent moisture from passing into the interior spaces. Dampness problems are among the most frequent problems encountered in residences.
Damp proofing is another aspect of waterproofing. Masonry walls are built with a damp-proof course to prevent rising damp, and the concrete in foundations needs to be damp-proofed or waterproofed with a liquid coating, basement waterproofing membrane (even under the concrete slab floor where polyethylene sheeting is commonly used), or an ...
An interior vapor retarder is useful in heating-dominated climates while an exterior vapor retarder is useful in cooling-dominated climates. In most climates it is often better to have a vapor-open building assembly, meaning that walls and roofs should be designed to dry: [ 6 ] either to the inside, the outside, or both, so the ventilation of ...
As liners for vertical walls: single or double with leak detection; As cutoffs within zoned earth dams for seepage control; As linings for emergency spillways; As waterproofing liners within tunnels and pipelines; As waterproof facing of earth and rockfill dams; As waterproof facing for roller compacted concrete dams
Wall flashing is typically found at interruptions in the wall, such as windows and points of structural support. Sill flashing (or sill pan) A concealed flashing placed under windows or door thresholds to prevent water from entering a wall at those points. Roof penetration flashing Used to waterproof pipes, supports, cables, and all roof ...