Melbourne's Waterproofing Specialists
From commercial developments and swimming pools to residential homes, Mr. Seal delivers waterproofing that’s compliant, guaranteed, and built to last.
Waterproofing That Prevents Costly Repairs
Water damage doesn’t warn you, it builds silently until the repair bill does. With 15+ years waterproofing Melbourne’s commercial buildings, strata complexes, pools, and homes, Mr. Seal gets it right the first time. All works comply with AS 3740 and are backed by a workmanship guarantee.
- Our Expertise
Complete Waterproofing Services, Tailored to Your Property
Balcony & Terrace
Durable membrane systems for tiled, concrete, and composite surfaces — one of Melbourne’s most common sources of water ingress.
Residential
Bathrooms, alfresco areas, basements, and more. Clean, precise, and done right.
Bathroom & Wet Areas
Compliant wet area membranes for showers, ensuites, and laundries. Compliance certificates available on request.
Commercial Waterproofing
Podium decks, basement car parks, rooftops, expansion joints, and façade sealing for builders and developers. On schedule, on spec, fully compliant.
Body Corporate & Strata
Scheduled maintenance and remedial waterproofing for apartment complexes and shared facilities, with minimal disruption to residents.
Swimming Pool Waterproofing
New pool construction and remedial sealing for pool shells, movement joints, coping, and wet deck surrounds.
- Why Choose Mr. Seal
Experience, Compliance & Guaranteed Workmanship
15+ Years Experience
Across commercial towers, strata, pools, and residential builds throughout Melbourne.
AS 3740 Compliant
All wet area waterproofing meets Australian Standards. Compliance certificates issued on request.
Premium Materials
Industry-leading membranes matched to your substrate and exposure conditions.
Workmanship Guaranteed
Every project is backed by our guarantee. If it fails, we fix it.
- OUR HAPPY CUSTOMERS
What Our Clients Say
- Frequently asked questions
Guidance You Can Trust, Every Step of the Way
What waterproofing and sealing services does Mr Seal offer?
Mr Seal specialises in a wide range of waterproofing and sealing solutions, including bathrooms, balconies, roofs, basements, wet areas, expansion joints, and general crack sealing. We handle both residential and commercial projects.
Why is waterproofing important for my property?
Proper waterproofing protects your property from water damage, mould growth, structural issues, and costly repairs in the future. It also improves durability and helps maintain your property’s value over time.
How do I know if my property needs waterproofing or resealing?
Common signs include damp patches, water leaks, peeling paint, mould, musty smells, or cracked sealant. If you’re unsure, Mr Seal offers professional inspections to assess the condition and recommend the right solution.
How long does the waterproofing or sealing process take?
Project timelines depend on the area, surface condition, and scope of work. Most residential jobs are completed within 1–3 days. We provide a clear timeline before starting any work.
Do you use high-quality and compliant materials?
Yes. Mr Seal uses premium-grade, industry-approved waterproofing membranes and sealants that comply with Australian standards—ensuring long-lasting and reliable results.
Is your waterproofing work covered by a warranty?
Absolutely. Our workmanship is backed by a warranty for your peace of mind. Warranty terms may vary depending on the project type and materials used, which we explain clearly before commencing work.