System selectionArticle 01
Waterproofing knowledge base
Roof Waterproofing Knowledge Base
Practical Hong Kong guidance on roof leakage inspection, system selection, quotation scope, responsibility and project evidence—so owners can ask better questions before an enquiry.
Article index
6 published articles
Roof waterproofing articles
Practical guides based on Hong Kong project conditions, covering leakage inspection, system selection, quotation scope and common questions from residential owners.
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Inspection and handoverArticle 02
How to inspect roof waterproofing: site records, details and handover checklist
A tidy finished roof shows a completed surface, not the hidden work. Useful handover evidence combines traceable site records, agreed test results and clearly stated warranty coverage.Published 2026-09-14
Residential waterproofingArticle 03
Village house roof leakage: 7 places to inspect after rain
A water stain shows where water finally appeared, not necessarily where it entered. Record the time, location and photographs after rain before inspecting roof details and the existing waterproofing system.Published 2026-08-04
Rainy-season preparationArticle 04
Roof waterproofing before the rainy season: 8 places owners should check
The aim before the rainy season is not to add material immediately. Use dry weather to inspect drainage, junctions and the existing system, then confirm water flow and ponding after rainfall.Published 2026-06-19
Drainage and pondingArticle 05
How to assess roof ponding: falls, outlets and waterproofing checks
A single puddle does not explain the cause. Plot outlets, low points, obstructions, existing-layer conditions and recession times on the same roof plan.Published 2026-05-01
Parapet detailsArticle 06
Parapet and wall-foot leakage: cracks, terminations and upstands
A parapet is not one flat surface. The coping, face cracks, wall-foot corner, waterproofing termination and fixings can each interrupt the water-resistant envelope.Published 2026-03-13Article index · Showing 6 / 6
Core decision guides
Start with the problem you are dealing with:
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Cost and scope
Roof waterproofing cost and work-scope guide
Compare spot repairs, overlay systems and complete reconstruction by scope—not only by total price.
Leakage responsibility
Roof leakage and repair responsibility guide
Trace the entry route first, then check common areas, exclusive-use areas, deed provisions and professional advice separately.
Property management
Property management and B2B waterproofing coordination
Build a traceable scope from survey and zoning through access, site records, inspection and handover.
Residential enquiry
Need help organising leakage evidence and next steps?
Send an overall roof view, the leakage location and approximate affected area. Our engineering team can identify what should be confirmed during a site survey.