Highseal is the trusted name for waterproofing services in Canberra. We use the best materials and follow all essential processes to protect your property from water damage.
Our experts ensure complete sealing of your bathroom using high-quality materials, keeping your home safe from leaks and water damage.
We waterproof showers, bathrooms, and laundries with precision. Our experience ensures the best results for both residential and commercial properties.
Our specialists use the best tools and customised methods to meet your unique waterproofing needs with long-lasting results.
We create a weather-resistant barrier that prevents moisture infiltration and structural damage. Enhance your property’s durability and appearance.
Enjoy reduced maintenance, mould-free surfaces, and increased property value.
Our membrane application process ensures seamless coverage, long-lasting protection, and prevention against leaks.
Durable materials, expert surface preparation, and precise installation suitable for balconies, bathrooms, showers, laundries, and more.
We use proven waterproofing techniques with high-quality materials to ensure years of protection.
Our specialists work efficiently using the right tools and process to deliver fast results.
We provide warranties on every job, giving you complete peace of mind.
Highseal proudly serves Canberra with quality waterproofing at affordable rates.
We offer both supply-only materials and full installation services based on your needs.
Designed for high-usage shops, warehouses, offices, and industrial buildings.
Highseal is one of Canberra’s trusted names in residential and commercial waterproofing. Every building—new or old—needs strong waterproofing to prevent leaks, mould growth, and long-term structural damage. With premium materials, certified waterproofers, and compliance with Australian Standards, Highseal ensures your property remains protected year after year.
Whether you’re dealing with a leaking bathroom, a damp balcony, or need complete waterproofing for new construction, we deliver long-lasting, effective solutions tailored to your needs.
A bathroom is one of the most vulnerable wet areas in a home. Any gap in waterproofing can lead to costly damage.
Our experienced waterproofers use high-quality membranes and industry-approved techniques to seal your bathroom thoroughly.
We ensure:
If you’re already facing leaks, check our Shower Leak Repairs service for quick and long-lasting solutions.
Highseal specialises in waterproofing internal wet areas such as showers, bathrooms, and laundries. Our certified team follows AS 3740 (Internal Wet Area Waterproofing Standard) to ensure every corner, joint, and surface is fully sealed.
We also provide Silicone Sealing services to seal gaps, joints, and corners, giving your bathroom the extra protection it needs. With extensive experience across Canberra’s residential and commercial buildings, we deliver long-lasting protection through high-performing membranes, precise preparation, and detailed application.
Choose Highseal when you want compliant, durable, and professionally installed waterproofing. We tailor each solution based on moisture exposure, construction type, and long-term performance needs. Our team uses premium materials that adhere to Australian Standards, ensuring a watertight finish that prevents damage for years.
Balconies are exposed to rain, temperature changes, and Canberra’s unpredictable weather. Without proper waterproofing, they can leak, crack, or cause structural deterioration.
Highseal installs weather-resistant, durable waterproofing membranes that protect your balcony from moisture infiltration and enhance surface lifespan. If your balcony is leaking or showing signs of damage, our Balcony Leak Repairs service can prevent further deterioration.
We also offer Balcony Restoration for tiles, surfaces, and structures affected by water damage.
By choosing High Seal, you gain access to:
Highseal is highly experienced in waterproof membrane installation across Canberra homes and commercial properties.
Our process includes careful surface preparation, priming, and the application of multiple membrane coats to ensure seamless coverage.
Before membrane application, we often use Leak Detection to identify the exact source of moisture and ensure the repair is precise.
If tiles are loose, cracked, or damaged, we also offer Tile Repairs & Replacement to prepare the surface properly before waterproofing.
This professional approach prevents leaks, increases durability, and protects floors and walls from water exposure.
Our membrane application includes:
Suitable for balconies, bathrooms, showers, laundries, and commercial areas.
Highseal provides reliable waterproofing services backed by experience, professionalism, and strong technical knowledge. We use proven waterproofing systems, modern tools, and the right materials to ensure long-lasting performance. Our focus is on results—not promises—and we are committed to delivering workmanship you can trust.
Our trained waterproofers work efficiently without compromising quality. With all tools and materials on hand, we quickly assess your site and begin work with precision. This ensures timely completion and minimal disruption to your daily routine.
All our waterproofing services come with warranty coverage. This gives you complete peace of mind that your home or commercial space is well-protected and compliant with building standards.
Highseal is a proud local Canberra business. We may be small in size, but our service quality, workmanship, and attention to detail match any large company—at fair and transparent prices. We understand ACT homes, weather, and construction styles deeply.
We provide a wide range of waterproofing supplies suitable for bathrooms, showers, laundries, and balconies. All products are quality-tested and compliant with Australian building codes.
Need end-to-end waterproofing? We offer supply and installation services for both residential and commercial projects. Our experts inspect the site, discuss your requirements, and provide a detailed quote before starting work.
Commercial areas require stronger waterproofing due to high foot traffic and continuous moisture exposure. Our commercial waterproofing services are ideal for:
We offer waterproofing services across Canberra and surrounding regions, including:
Belconnen Gungahlin Tuggeranong Woden Valley Weston Creek Kingston Braddon Fyshwick Campbell Narrabundah Mitchell GreenwayI had constant issues with a leaking shower, and Highseal fixed it quickly without removing tiles. The team was professional, punctual, and explained the entire process in detail. Their waterproofing work has held up perfectly, and I’ve had no problems since. I appreciate their honest pricing and fast turnaround. It’s refreshing to deal with a local business that truly cares about customer satisfaction. I’d definitely recommend Highseal to anyone needing reliable waterproofing services across Australia.
Highseal recently waterproofed our bathroom, and I’m beyond impressed with the results. The workmanship was excellent, and they finished everything ahead of schedule, which really helped us stick to our renovation timeline. Their use of quality membranes and attention to detail made a huge difference. The team was friendly, respectful of our home, and left the place spotless. It’s clear they take pride in their work. I wouldn’t hesitate to recommend Highseal for waterproofing services in Australia.
Our balcony had water damage from years of poor waterproofing, but Highseal completely transformed it. They explained the issue clearly, recommended the best waterproofing solution, and carried out the work efficiently. The balcony now looks great and is fully protected against rain and moisture. The crew was reliable and easy to communicate with, and their warranty gave us peace of mind. We couldn’t be happier with the outcome and will definitely use Highseal again for future projects.
I contacted Highseal for commercial waterproofing on a property we manage, and the experience was outstanding. They provided a detailed quote, offered flexible scheduling, and completed the project without delays. Their team demonstrated excellent knowledge, and the results were of the highest standard. The waterproofing has been tested during heavy rains, and everything held perfectly. Having warranties on their work adds extra confidence. As a facilities manager, I value dependable contractors, and Highseal is now my go-to choice.
Costs typically range from $600 to $1,500, depending on area size, preparation needs, and membrane type.
Yes. All our work complies with AS 3740 and AS 4654.2.
With high-quality membranes and proper application, waterproofing lasts 10–15 years or more.
Most bathrooms and balconies take 1–2 days depending on preparation and curing.
Yes, all our waterproofing work comes with warranty coverage.
Loose tiles, damp patches, white stains, and visible cracks are common signs.