Commercial Waterproofing Perth
Commercial Waterproofing Contractors in Perth
Commercial waterproofing requires more than a standard membrane application. It needs the right system, proper surface preparation, careful detailing and an understanding of how the area will perform under real site conditions. Waterseal works across a wide range of commercial waterproofing projects in Perth and WA, including roofs, podiums, balconies, car parks, basements, undercrofts, plant rooms, lift pits, tanks, retaining walls, service areas, suspended slabs and remedial waterproofing projects.
Our team supports builders, developers, strata councils, facility managers, engineers and commercial property owners with both new construction and existing structures. Services include leak diagnostics and investigation reports, membrane system selection, HVELD and flood testing, remedial works, and independent consultancy on waterproofing specifications and defects.
When water ingress is already present, we can help investigate the source and define a repair approach before further damage occurs.
Commercial Waterproofing Services We Provide
Commercial Waterproofing Problems We Help Solve
- Leaking commercial roofs
- Failed waterproofing membranes
- Water ingress into occupied areas
- Leaking podiums and suspended slabs
- Basement and ground water ingress
- Plant room and service deck leaks
- Lift pit water ingress
- Car park slab leaks
- Retaining wall moisture issues
- Joint, penetration and detailing failures
Technical Waterproofing Capability for Commercial Projects
- Membrane system selection
- Surface and substrate assessment
- Surface preparation planning
- Waterproofing around joints
- Below-ground waterproofing
- Trafficable waterproofing systems
- Roof and exposed slab waterproofing
- Podium and planter box waterproofing
Our Commercial Waterproofing Process
Project Review
Site Assessment
Leak Diagnostics
System Selection
Quote Approval
Final Handover
Commercial Waterproofing Projects Across Perth & WA
Explore commercial waterproofing projects delivered by Waterseal across Perth and Western Australia, including roofs, podiums, plant rooms, car parks, basements and complex remedial works.
See roof membrane work at UWA Business School and Murdoch University Building 245 for occupied and coordinated commercial project examples.
5 Mill Street, Perth
- Client
- Location
- Commercial property client
- Perth, WA
Purpose Built Student Accommodation – Stirling Street – Roof & Podium Planters
- Client
- Location
- Purpose-built student accommodation developer
- Perth, WA
WAIS Remedial Works
- Client
- Location
- Western Australian Institute of Sport
- Perth, WA
Douro St West Perth
- Client
- Location
- Strata property client
- West Perth, WA
Where Our Commercial Waterproofing Is Used
Podiums and Suspended Slabs
Waterproofing for podium decks, rooftop areas, apartment developments, terraces and suspended concrete slabs.
Commercial Roofs
Waterproofing for exposed roof areas, concrete roof slabs, roof decks and remedial roof leak repairs.
Car Parks
Waterproofing for basement car parks, suspended car parks, trafficable areas and concrete structures exposed to water and vehicle use.
Plant Rooms and Service Decks
Waterproofing for mechanical rooms, service areas, plant rooms, bunded zones and areas with high water exposure.
Basements and Undercrofts
Waterproofing for below-ground structures, basements, undercrofts and areas exposed to moisture pressure.
Lift Pits
Waterproofing and remedial repairs for elevator pits, lift shafts and below-ground lift areas affected by water ingress.
Retaining Walls
Waterproofing for commercial retaining walls, below-ground walls and structures exposed to soil moisture and drainage issues.
Joints and Penetrations
Waterproofing detailing for construction joints, expansion joints, control joints, penetrations, corners and high-risk transition areas.
Remedial Waterproofing for Existing Commercial Buildings
- Failed waterproofing membranes
- Leaking roofs
- Leaking balconies and podiums
- Basement water ingress
- Plant room leaks
- Lift pit leaks
- Car park leaks
- Water-damaged commercial areas
- Poor drainage related waterproofing failure
- Defect rectification works
Related Commercial Waterproofing Services
Commercial Leak Diagnostics: Find the Source Before You Repair
Where water appears in a commercial building is rarely where it entered. Water travels through slabs, cavities, joints and membranes before it shows inside.
Waterseal investigates water ingress using non-destructive equipment including HF Sensor microwave moisture scanners, array scanning for large slabs, thermal imaging, acoustic pipe leak detection, drain cameras and borescopes. Where the membrane is compatible, high voltage electronic leak detection (HVELD) locates breaches precisely.
Findings are issued as a written report with moisture mapping, photographs and a recommended repair scope, so that remediation is targeted, defensible and priced against a defined problem rather than a guess.
Why Choose Waterseal for Commercial Waterproofing in Perth?
Commercial Experience
Practical waterproofing experience across commercial, civil, remedial, and diverse building projects in Perth.
Leak Diagnostics
Specialist scanning, thermal, acoustic and camera equipment to locate the source before any repair is scoped.
Remedial Waterproofing
Professional repair services for failed membranes, cracks, and active water ingress in existing buildings.
Accredited Systems
Fosroc and GCP accredited applicator, with membrane selection matched to substrate, exposure and service conditions.
Support for Builders
Reliable collaboration with builders, strata managers, and commercial developers across WA.
Consultancy and Reporting
Investigation reports, opinion reports and scope development written to a standard suitable for strata, insurance and expert review.
Credentials You Can Verify
Accredited systems, recognised industry membership and proven delivery across residential, commercial and civil environments.
Accredited Fosroc Applicator
Accredited application capability for Fosroc waterproofing and remedial systems.
Accredited GCP Applicator
Accredited application capability for GCP waterproofing systems.
ACRA Member
Member of the Australasian Concrete Repair and Remedial Building Association.
Serving Perth Since 1996
Thirty years of waterproofing, diagnostics and remedial experience across WA.
50,000+ Installations
More than 50,000 compliant wet-area membrane installations completed.
Commercial Waterproofing FAQs
Yes. Waterseal provides commercial waterproofing services across Perth and WA for builders, developers, strata managers, facility managers, project managers, commercial property owners and civil contractors.
We provide waterproofing for roofs, podiums, car parks, basements, undercrofts, plant rooms, lift pits, retaining walls, tanks, water-exposed structures, joints, balconies, terraces and remedial waterproofing projects.
Yes. Waterseal can assist with commercial roof waterproofing, remedial roof leak repairs and investigation of water ingress issues affecting roof areas.
Yes. Waterseal investigates water ingress using specialist non-destructive equipment and issues a written report identifying the most probable source and a recommended repair scope. Reports are suitable for strata councils, builders, insurers and engineers.
Yes. For commercial enquiries, project drawings, specifications, photos and site details can help us understand the scope and recommend the next step.
Yes. Waterseal provides investigation reports, opinion reports, specification review and scope development for property managers, strata councils, builders and engineering consultants.
Need a Commercial Waterproofing Contractor in Perth?
Whether you are planning a new commercial project, managing a remedial waterproofing issue or dealing with water ingress in an existing building, Waterseal can help assess your requirements and recommend the right next step.
Send your project details, request a commercial waterproofing quote or contact Waterseal to discuss your site.
Client experience
Commercial Client Testimonial
Hear directly from a commercial client about working with Waterseal.
For builders
Waterproofing Support for Builders
Waterseal works with builders on waterproofing planning, technical detailing, membrane installation and practical site coordination.
Proper investigation
Understand the Problem Before Planning the Repair
A proper waterproofing investigation helps identify the likely source and extent of water ingress before a repair scope is prepared.
Property management
Clear Waterproofing Advice for Property Managers
Waterseal helps property managers investigate leaks, understand the findings and plan practical repair work for occupied and managed buildings.