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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.
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 ...
The felt/tar waterproofing was flashed over the top of the sheet piling and extended horizontally about 1 foot (0.30 m) past the outer wall. [13] Below the sub-basement floor was another waterproofing layer that consisted of 6 inches (15 cm) of reinforced concrete [18] [c] poured atop the watery sand and then topped with felt and tar. [25]
In 1980, the parish began a five-year restoration plan for the church, undertaking major repairs to the roof and ornate ceiling of the building, as well as repairs to stained glass windows and replastering of walls. In June 1983, the church acquired a marble altar which previously had been in the chapel of Mount Carmel West Hospital.
The waterproofing system can be applied to the inside or the outside walls of a basement. [17] When waterproofing existing basements it is much cheaper to waterproof the basement on the inside. Waterproofing on the outside requires the expense of excavation, but does offer a number of advantages for a homeowner over the long term. Among them are:
There are different kinds of green roofs, but they typically have multiple layers, including structural decking, waterproofing material, drainage, irrigation, soil and vegetation. A well-designed ...
The foundation had been X-rayed eight years prior, showing crumbling basement walls. Boiler problems, faulty thermostats, and three fires had affected the building. [ 14 ] In 2003, temporary lighting was placed to light the first floor, replacing faulty circuitry; a permanent fix was estimated at $60,000.
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