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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...
3 May 2018 - 9:21, by , in Roofing, Waterproofing, Waterproofing Singapore, Comments off
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, Comments off
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, Comments off
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, Comments off
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, Comments off
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, Comments off
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...
26 April 2018 - 15:39, by , in Waterproofing, Comments off
GENERAL Following the design of the wet area by the Designer, the Contractor will propose a suitable waterproofing system. Selection should be based on life-time cost-performance. This should include not only the initial performance and cost of the waterproofing system, but also the cost of replacing a waterproofing system failing prematurely and other costs associated...
26 April 2018 - 14:58, by , in Waterproofing, Comments off
GENERAL The Designer should refer to applicable local and international codes, standards and specifications when designing wet areas to be watertight. The drawings and specifications should be prepared in sufficient detail by the Designer to provide proper guidance to the Waterproofing Specialist and other trades involved in the execution of work in wet areas. It...