HDB Waterproofing Standards and Guidelines
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.
1. 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.
2. Common Waterproofing Areas and Requirements.
a) Toilets and bathrooms
The 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 Structures
The 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 boxes
Property protection requires both protective membranes alongside carefully designed drainage systems.
d) External walls and windows.
According to HDB's 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.
3. HDB Guidelines for Waterproofing Works
Any hacking or re-waterproofing work requires HDB authorization guidelines from BCA Singapore. Permits also act as fundamental prerequisites in certain circumstances.