Contain water. Protect the structure.

Tank Waterproofing Perth

Waterseal installs waterproof linings and remedial coating systems for water-retention tanks, fire tanks and concrete containment structures across Perth and WA.
Tank Waterproofing project work in Perth
Commercial Waterproofing Specialists

Tank Waterproofing Under Continuous Immersion

Water-retention and fire tanks place continuous demands on membranes, joints and concrete interfaces. The system must maintain adhesion under immersion while remaining compatible with the stored water and operational requirements.

Waterseal delivers new tank linings, joint detailing and remedial coating replacement for commercial and civil assets.

Preparation, moisture condition, crack treatment, penetrations and cure control are critical to reliable commissioning.

Specialist Services

Tank Waterproofing Services

Water-Retention Tanks

Water-Retention Tanks

Waterproof linings for concrete storage and retention structures.

Discuss This Scope

Fire Tanks

Fire Tanks

Reliable immersion systems for essential fire-water assets.

Discuss This Scope

Concrete Tank Linings

Concrete Tank Linings

Compatible coatings selected for substrate and service conditions.

Discuss This Scope

Joint & Crack Treatment

Joint & Crack Treatment

Detail movement, construction joints and concrete defects.

Discuss This Scope

Penetration Sealing

Penetration Sealing

Maintain continuity around pipes, fittings and access points.

Discuss This Scope

Remedial Tank Coatings

Remedial Tank Coatings

Remove failed materials and reinstate compliant linings.

Discuss This Scope
Tank Waterproofing project work in Perth
Common Risks

Tank Waterproofing Problems We Address

Waterproofing failures usually begin at preparation, drainage, joints, penetrations or transitions. Waterseal reviews the complete construction so the scope addresses the underlying risk rather than only the visible symptom.
Technical Capability

Immersed Membranes & Protective Linings

Tank systems are selected around water type, immersion, pressure, cleaning requirements and substrate condition. Waterseal coordinates surface preparation, concrete repair, joints, penetrations and compatible coating thickness.
Tank Waterproofing project work in Perth
Our Process

Our Tank Waterproofing Process

Roof Waterproofing project work in Perth

Scope & Design Review

Review drawings, existing conditions, access, sequencing and performance requirements.
Roof Waterproofing project work in Perth

Site & Substrate Assessment

Confirm substrates, moisture, falls, joints, penetrations and preparation requirements.
UWA Business School waterproofing work in Crawley, WA, project photo 1

System Selection

Select compatible primers, membranes, reinforcement, sealants and protection layers.
UWA Business School waterproofing work in Crawley, WA, project photo 2

Preparation & Detailing

Prepare surfaces and complete critical corners, joints, outlets, penetrations and terminations.
UWA Business School waterproofing work in Crawley, WA, project photo 3

Controlled Installation

Apply the specified system with progressive checks through each critical stage.
Purpose Built Student Accommodation – Stirling Street – Roof & Podium Planters waterproofing work in Perth, WA, project photo 1

Inspection & Handover

Review completed work, record limitations and coordinate protection or return to service.
Project Experience

Tank Waterproofing Experience Across Perth & WA

Waterseal’s commercial and civil project experience supports practical delivery across new construction, occupied properties and complex remedial environments.

5 Mill Street, Perth waterproofing work in Perth, WA, photo 1
Perth, WA

5 Mill Street, Perth

Waterseal installed an approximately 800 m² single-ply TPO recovery membrane overlay to the retained roof at 5 Mill Street, Perth.
Purpose Built Student Accommodation – Stirling Street – Roof & Podium Planters waterproofing work in Perth, WA, project photo 4
Perth, WA

Purpose Built Student Accommodation – Stirling Street – Roof & Podium Planters

Waterseal installed a reinforced, root-resistant tanking system to rooftop and podium planters at a Perth student accommodation development.
WAIS Remedial Works waterproofing work in Perth, WA, project photo 6
Perth, WA

WAIS Remedial Works

Waterseal completed remedial waterproofing at the Western Australian Institute of Sport to address water ingress through a suspended slab above the car park and amenities.
Douro St West Perth waterproofing work in West Perth, WA, project photo 7
West Perth, WA

Douro St West Perth

Waterseal repaired cracking and renewed a deteriorated waterproof coating over a suspended concrete roof slab at a West Perth strata property.
Applications

Where Tank Waterproofing Is Used

Systems and details are selected around the construction, exposure, access and performance requirements of each area.

Fire-Water Tanks

Immersion linings for essential fire-protection storage.

Retention Tanks

Waterproof concrete storage and attenuation structures.

Service-Water Tanks

Compatible coatings for commercial building services.

Concrete Containment

Protect walls, slabs, joints and penetrations.

Below-Ground Tanks

Systems selected for internal and external water pressure.

Plant Facilities

Containment structures within operational service areas.

New Construction

Planned joints, preparation and lining installation.

Existing Tanks

Condition assessment and remedial coating replacement.

Tank Waterproofing project work in Perth
System Design

Preparation, Detailing & Controlled Curing

Tank waterproofing is sensitive to laitance, contamination, pinholes and moisture. Waterseal applies controlled preparation and progressive quality checks before the lining is cured and returned to service.
Why Choose Us

Why Choose Waterseal for Tank Waterproofing in Perth?

WA Waterproofing Experience

Waterseal has delivered specialist waterproofing across Western Australia since 1996.

System-Based Delivery

Materials, preparation and details are selected as one compatible waterproofing system.

Detailed Substrate Preparation

Surfaces, cracks and interfaces are prepared before membranes or coatings are installed.

Complex Interface Detailing

Joints, penetrations, outlets, terminations and changes in plane receive focused attention.

Progressive Quality Control

Critical stages are checked before completed waterproofing is covered by following work.

New & Remedial Capability

Support is available for new construction, replacements and targeted remedial scopes.

FAQs

Tank Waterproofing FAQs

The exact scope depends on the structure and condition. Waterseal reviews substrates, joints, penetrations, drainage, terminations and the compatible membrane or coating system required for the area.

Yes. Waterseal delivers new installations, membrane replacements and targeted remedial waterproofing. Existing conditions are assessed before a repair system is recommended.

Selection considers the substrate, exposure, movement, moisture, access, required finish, construction sequence and compatibility with adjoining materials.

Where practical, scopes can be coordinated in stages around access, cure times, other trades and operational constraints. These requirements should be identified during planning.

Preparation is a critical part of waterproofing. The required grinding, cleaning, repairs, crack treatment and priming are defined according to the substrate and selected system.

Send drawings, photographs, the project location, programme, known leak history and any existing specifications or reports. Waterseal can then advise whether a site inspection is required.

Planning Tank Waterproofing in Perth?

Send Waterseal the drawings, photographs, site history or existing reports. We will review the available information and recommend the most practical next step for inspection, scope development or quotation.