Our Services
Your Nelson Waterproofing Specialist
New Membranes
Do you have a flat roof or a deck that needs waterproofing from other elements? We can help at Waterproofing Nelson, which is the leading waterproofing specialist.
Membrane Repair
Do you have a leak on your flat roof? Whether it’s a leak on your balcony or deck. Nelson Waterproofing specialists can help solve this problem.
Roof Inspections & Maintenance
Do you have a roof that needs to be checked for any signs of leakage or repairs? Regular inspections will identify issues before they become a problem.
Floating Decks
We are experts in floating decks over watertight membrane roofs, pavements, and concrete for both residential or commerical.
Other Services
We not only do roofs and decks, but we also provide other services like tile waterproofing, carpark resurfacing, and more.
Our Team That You Can Trust In Nelson
Why Choose Our Nelson Waterproofing Services?
Do you have a leak, moisture issue, or waterproofing project that needs expert attention?
At Waterproofing Nelson, we are trusted waterproofing specialists providing a wide range of effective solutions across Nelson and surrounding areas. Whether it’s repairing or replacing waterproof membranes on decks and roofs, sealing leaking showers and bathrooms, or protecting retaining walls and foundations — we deliver long-lasting results backed by professional workmanship.
What sets us apart is our ability to offer a complete service. We don’t just apply membranes — we handle the carpentry, surface preparation, and project management required to ensure your waterproofing is done right the first time. From start to finish, we take care of every detail to protect your home or commercial property from water damage.
Our Process
Initial Contact & Free Quote
You reach out through our website, phone, or email and we’ll arrange a convenient time to visit your property. We assess the issue, recommend the right waterproofing solution, and provide a free, no-obligation quote.
Site Inspection
Our waterproofing specialists visit your property to inspect the affected areas. We check for signs of water ingress, material condition, and potential long-term risks — ensuring we fully understand the scope before we begin.
Custom Waterproofing Plan
Based on the site visit, we create a tailored plan that fits your needs and budget. Whether it’s a leaking roof, damp subfloor, or deck sealing — we choose the best materials and methods for lasting protection.
Professional Installation
Our trained team carries out the waterproofing work using high-quality membranes, sealants, and systems that meet NZ Building Code standards. We work efficiently, minimize disruption, and keep your site clean and safe throughout.
Quality Check & Finishing
Once the job is done, we inspect all work to ensure it meets our high standards. We’ll walk you through the result, answer any questions, and provide advice on maintenance or care if needed.
Ongoing Support & Peace of Mind
We stand by our work. If you ever have questions or need support after the job is complete, we’re just a phone call away. Some of our waterproofing systems come with warranties — ask us for details.
Leak & Waterproofing Repair Solutions In Nelson
We aim to provide the best waterproofing services to our clients in Nelson. We focus on great communication, being on time, and leaving the site clean once we complete our job.
We are trained applicators of:
- Torch-on membranes
- TPO membranes
- Warm roofs and green roofs.
- Liquid membranes for roofs and decks
- Floating deck systems, including structural tiles, composite decking, and hardwood decking.
Get a quote for your residential or commercial waterproofing solutions you need in Nelson
Area's We Cover
We proudly provide expert waterproofing services across the entire Nelson region. Whether you’re in the heart of Nelson City or surrounding suburbs, our local team is ready to help protect your home or business from water damage.
North Nelson
- Atawhai
- Marybank
- Wakapuaka
- The Glen
- Hira
- Glenduan
- Todds Valley
Central Nelson
- Atawhai
- Marybank
- Wakapuaka
- The Glen
- Hira
- Glenduan
- Todds Valley
East Nelson
- Atawhai
- Marybank
- Wakapuaka
- The Glen
- Hira
- Glenduan
- Todds Valley
South Nelson
- Atawhai
- Marybank
- Wakapuaka
- The Glen
- Hira
- Glenduan
- Todds Valley
West Nelson
- Atawhai
- Marybank
- Wakapuaka
- The Glen
- Hira
- Glenduan
- Todds Valley
Frequently Asked Questions
How much does waterproofing cost?
Costs vary depending on the size and type of work required. Small jobs like bathroom sealing can start from a few hundred dollars, while roof or deck waterproofing can range into the thousands. We provide free quotes after assessing your property.
Do you offer free quotes?
Yes, we offer 100% free, no-obligation quotes. Just fill out our quick quote request form or give us a call, and we’ll arrange a time to inspect your property.
How do I know if I need waterproofing?
Look for signs like:
Damp or mould on walls/ceilings
Peeling paint or bubbling plaster
Persistent leaks
Musty odours
Visible cracks in decks or foundations
If you notice any of these, it’s best to get it checked early.
How soon can you start the job?
Timeframes depend on availability and the scope of work. For urgent jobs, we try to respond quickly. For larger projects, we’ll provide a start date when we quote — and always aim to be on time.