How to HDB Waterproofing Standards and Guidelines?

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Singapore protects its building structures from degradation while preventing moisture-related issues by treating HDB waterproofing as mandatory. These are all the main criteria that building authorities use for HDB waterproofing.  Authorized hdb waterproofing contractors Professional waterproofing jobs must be completed by professionals who are  registered with the BCA. Homeowners that use unauthorized  methods to remove waterproofing layers without regulatory approval may face penalties.146 HDB Waterproofing Standards and Guidelines.Building and Construction Authority BCA and Singapore Standards SS enforce strict waterproofing requirements to which HDB must comply.Under the Goodwill Repair Assistance GRA Scheme the Housing and Development Board HDB takes responsibility for repairing and waterproofing leaks on ceiling areas that affect adjacent units.246 Common Waterproofing Areas and Requirements.a Toilets and bathroomsThe use of waterproofing membrane acts as a water barrier.HDB requires the waterproofing of any bathroom floor surfaces during or after waterproofing work according to renovation regulations.The water ponding test as a waterproofing effectiveness check must last at least 48 hours.b Roofs and Rooftop StructuresThe roof waterproofing systems for apartment top floors are maintained by HDB.Under the Home Improvement Programme HIP owners of older apartments receive repair services.c Balconies and planter boxesProperty protection requires both protective membranes alongside carefully designed drainage systems.d External walls and windows.According to HDBs regulations home owners must implement water-blocking sealants to avoid building water leaks.e Kitchen and Service Yard.Different waterproof coatings must be applied to each area that tends to get wet.346 HDB Guidelines for Waterproofing WorksAny hacking or re-waterproofing work requires HDB authorization guidelines from BCA Singapore.  Permits also act as fundamental prerequisites in certain circumstances.