
Bathroom & Shower Waterproofing
Full wet-area waterproofing for bathrooms, ensuites and shower recesses. We prepare surfaces properly and apply membrane systems that comply with Australian standards to prevent tile failure and structural damage.
Professional waterproofing solutions for bathrooms, balconies, roofs and more. Trusted by Queensland homeowners and builders to keep water out — for good.

Queensland
Waterproofing Specialists
About Us
K Powell Waterproofing is a Queensland-based specialist delivering reliable, long-lasting waterproofing solutions for residential and commercial properties. We tackle everything from wet-area bathrooms and outdoor decks to metal roofs and structural crack repairs.
Our approach is straightforward: assess the problem properly, use the right products, and apply them correctly. No shortcuts, no callbacks — just waterproofing done right the first time.
We use industry-leading membranes and sealants that meet Australian standards for lasting protection.
Every job is completed with precision and care — from surface preparation through to final coating.
We stand behind our work. All waterproofing is applied to manufacturer specifications for maximum performance.
What We Do
From wet-area bathrooms to exposed rooftops, we have the experience and materials to waterproof any surface correctly.

Full wet-area waterproofing for bathrooms, ensuites and shower recesses. We prepare surfaces properly and apply membrane systems that comply with Australian standards to prevent tile failure and structural damage.

Outdoor decks and balconies are among the most vulnerable areas in any property. We apply durable liquid membrane systems to concrete and timber decks that handle Queensland's harsh UV and rainfall.

Specialist coatings and membranes for flat roofs, pitched roofs and corrugated metal roofing. We seal laps, penetrations and gutters to prevent costly internal water ingress.
Fast and effective diagnosis of existing leaks and structural cracks. We use pressure crack injection and targeted membrane repairs to stop water penetration at the source.
Professional-grade joint sealing for movement joints, expansion joints and penetrations. We also apply protective surface coatings to extend the life of waterproofed areas.
Not sure which service you need?
Give us a call and we'll assess your property and recommend the right solution.
Coverage
K Powell Waterproofing services South East Queensland and surrounding regions. Contact us to confirm availability in your area.
Primary Service Areas
Also Servicing
Not listed? Call us — we cover a wide area and may still be able to help.
Servicing Queensland properties. Contact us to discuss your waterproofing needs and arrange an assessment.
Testimonials
Trusted by Queensland homeowners and builders for waterproofing that lasts.
“Had a persistent leak in our balcony that other tradies couldn't fix. K Powell diagnosed it straight away and the waterproofing has been solid ever since. Highly recommend.”
Michael T.
Brisbane, QLD
“Brilliant job on our bathroom renovation — the shower waterproofing was done properly and on time. Very professional and tidy workmanship.”
Sandra K.
Gold Coast, QLD
“Called about a roof leak that was causing damage inside. Quick response, great communication and the repair has held up through some heavy storms. Well worth it.”
James R.
Sunshine Coast, QLD
Reviews are representative customer testimonials. Individual results may vary.
Contact Us
Ready to fix a leak or waterproof your property? Fill in the form or reach out directly and we'll get back to you promptly.
