Waterproofing Services Perth

Waterseal provides waterproofing, leak diagnostics and remedial services for commercial, civil and residential projects across Perth and Western Australia. The right scope depends on the structure, its exposure to water, the existing substrate and how the area will be used.

Choose the service for your property or project

Our commercial waterproofing team works with builders, strata managers, facility managers and project teams. For homes and renovations, explore residential waterproofing. Civil waterproofing covers infrastructure and concrete structures with project-specific detailing requirements.

Water ingress investigation and repair

Visible damp or staining does not always identify where water entered. Start with leak detection and diagnostics when the source is uncertain. Findings can inform remedial waterproofing, structural damp repairs or a documented investigation report and repair scope.

Roofs, decks and commercial structures

• Roof waterproofing
• Podium waterproofing
• Car park waterproofing
• Plant rooms and service decks
• Lift pit waterproofing
• Joint detailing

Homes, wet areas and below-ground construction

• Bathroom waterproofing and wet areas
• Leaking shower repairs
• Balcony and terrace waterproofing
• Basements and undercrofts
• Retaining wall waterproofing

Specialist applications

Explore water-retention and fire tanks, roof gardens and planter boxes, and ponds, pools and water features. Older masonry may require heritage damp investigation and controlled surface cleaning.

Discuss your waterproofing requirements

View our completed waterproofing projects for examples of the team’s work. Contact Waterseal with your site location, photographs, plans and any previous repair history so we can review the requirements and recommend the next step.