About
With nearly 15 years of hands-on experience in roofing and waterproofing, we specialise in solving water infiltration problems that others struggle to fix — from persistent roof leaks to moisture issues in basements, garages, and exterior walls.
Our approach is based on precision, durability, and customer trust. Every project is treated with the same level of attention, whether it’s sealing a roof, restoring a concrete surface, or protecting a home from future leaks.
Clients choose us because we combine technical expertise with a personal commitment: we keep communication clear, respect agreed timelines, and stand behind the quality of our work. That’s why our customers consistently rate us 5 stars.
If you’re looking for long-lasting solutions instead of quick fixes, you’ve come to the right place.
Just
Matheus
67 67/67/10 Buffon StreetWaltham
Christchurch 8023
Verification
ID verified
Address verified
NZBN verified
Trade licences
CanSeal has not provided trade licence details. Not all work requires a licence. Before you engage with them for restricted work, ask them to provide supporting documentation.
| Trade licence | Registration | Ownership | Details |
|---|---|---|---|
| Licensed Building Practitioners | - | - | - |
| Electrical Worker Register | - | - | - |
| NZ Registered Architects | - | - | - |
| Plumbers Gasfitters & Drainlayers | - | - | - |
| Asbestos Assessor Licence Holder Register | - | - | - |
| Asbestos Remover Licence Holder Register | - | - | - |
| Chartered Professional Engineer | - | - | - |
Insurance
This tradesperson has not provided any public liability or professional indemnity insurance information. While this is not a legal requirement, if you engage them, ask if they hold any public liability or defective workmanship insurance.
Verified work reviews
|
Verified work rating
4.1
|
Quality of work |
4.1
|
The quality of workmanship provided |
| Cost |
4.6
|
How well they kept to the quoted cost | |
| Schedule |
5.0
|
How well they kept to schedule | |
| Communications |
4.5
|
Their professionalism and responsiveness |
