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Waterproofing basements and other below ground spaces takes special considerations. Here are five points to consider when specifying waterproofing for these spaces. Investigate the water table level and assess the risk of rising ground water levels due to high rainfall or flooding. Unexpected rising ground water levels will increase the hydrostatic pressure on the waterproofing...
Tanking – also referred to as below ground waterproofing – involves the application of a waterproofing barrier to the walls, the base slab and in some cases to the roof of the below ground structure. The goal of waterproof tanking is to encase the entire envelope of the below ground structure to protect it from...
Waterproofing protects your structure and the assets within it against damaging moisture, humidity, and floods. Although waterproofing systems account for a small fraction of the cost of an overall building project, if the wrong solution is chosen or it’s installed improperly, the costs of remediation can be tremendous. Risk of water ingress Usually the amount...
Pre-applied waterproofing membranes that bond integrally to poured concrete for use below slabs or behind basement walls on confined sites Product Description PREPRUFE® 300R Plus & 160R Plus membranes are unique composite sheets comprised of a thick HDPE film, pressure sensitive adhesive and weather resistant protective coating. Designed with Advanced Bond Technology™ and a dual...
SINGAPORE: It will be a wet start to the month of May, with moderate to heavy thundery showers forecast by the Meteorological Service of Singapore. In an advisory on Wednesday (May 2), the Met Service said rain is expected mostly in the afternoon on six to eight days during the first half of the month. “On a few...
26 April 2018 - 16:18, by , in Waterproofing, No comments
DEFECTS DURING SERVICE LIFE Leakage through walls and slabs can lead to either architectural or structural defects, depending on the extent of leak. Some of the common defects arising from such leaks are as given in Fig 8.2. Detailed investigation will help in ascertaining the cause or causes of the problem. The repairs of such...
26 April 2018 - 16:12, by , in Waterproofing, No comments
PROTECTION The Contractor must ensure that after completion, the area is cordoned off until a protective covering or screed has been laid. He must be notified of any damage and given time to carry out necessary repairs before protective covering is applied. The Contractor should ensure that work is carried out under controlled conditions and...
26 April 2018 - 16:07, by , in Waterproofing, No comments
PLANNING The applicator should plan the application sequence before commencing works to avoid movement on freshly applied material and to ensure that the pot life of waterproofing material does not expire on site. Various factors influence the application: Size of team Tools Size of mixes Detailing Location of construction joints Curing time of material TOOLS...
26 April 2018 - 15:50, by , in Waterproofing, No comments
GENERAL The Waterproofing Specialist must have his shop drawings approved for construction by the Designer. A meeting should be called in the early stages of construction by the Contractor to ensure that all involved parties understand the sequence of work. In planning the sequence of work, adequate time should be allowed for the waterproofing membrane...
26 April 2018 - 15:48, by , in Waterproofing, No comments
DELIVERY All waterproofing products delivered to site should include the following information: general description of specified waterproofing product name of manufacturer/ supplier/ agent areas of application technical values for the specified product and related reference to any standards like SS, BS, ASTM or DIN shelf life and batch reference Products should be sealed and delivered...