Waterproofing failure is one of the biggest issue related to construction. Failures in waterproofing can seriously affect the building and is time consuming , complex to rectify the problem. Let us discuss the main causes of waterproofing failure
Poor Preparation: The application of waterproofing membrane is labor intensive. So, poor workmanship alone accounts for 90% of all waterproofing failures. Poor workmanship , including incorrect installation can lead to leakage issues. Must check and assess if the surfaces are smooth, clean and free from all debris before commencing the work. Ensuring that manufacturer's guidelines are properly followed.
Wrong Product Selection: Choosing the wrong product for the application can lead to failure. So many waterproofing chemicals are available in the market. Each one has its unique use case. When these waterproofing chemicals are used in the wrong way at a wrong place, definitely is bound to fail.
De Bonding: Incompatibility of the membrane with other products such as primers can lead to de bonding. De bonding will ultimately allow water penetration. It can be caused by a number of ways including Application to uneven surface, Application to damp/ wet surface, Insufficient priming / blistering, Insufficient coverage, Faulty overlaps.
Waterproofing membrane are exposed to a high risk of damage. Often, this damage occurs in the subsequent stages of the construction schedules.
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