Top Marks Waterproofing Pty Ltd
Successfully resolved leak problems after other waterproofing contractors failed, according to multiple customers.
The business draws endorsements from remedial engineers and commercial builders who use them repeatedly, suggesting technical competence beyond typical residential work. Mark appears to invest significant time in explaining processes and warranties upfront, which customers appreciate for complex projects involving multiple balconies or full bathroom renovations.
Their work
What it's like working with them
Based on a sample of Google reviews (28 total)
“desperate to fix my leak when two others had tried and failed”
“The quoting process and warranties were well explained to us”
“he managed all the trades very thoroughly”
What they help with
Based on what their customers hired them for
Credentials & background
Sourced from 3 public records so you don't have to look them up yourself
About Top Marks Waterproofing Pty Ltd
Mark leads this waterproofing business with expertise spanning balconies, bathrooms, and commercial projects across Randwick and surrounding areas. Reviews suggest he's particularly skilled at diagnosing complex leak issues where other contractors have failed, with one customer noting he successfully resolved a problem after two previous attempts by others. The business works with both residential renovations and commercial building projects, with endorsements from remedial engineers and building companies who use them repeatedly. Mark's approach involves detailed explanations of warranties and processes, thorough trade management for larger jobs, and maintaining clean work sites throughout multi-week projects.
Best for: complex leak repairs where other contractors have failed, multi-balcony waterproofing projects requiring trade coordination, and commercial waterproofing jobs requiring engineering-grade precision.
Location
Often needed together
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Claim This Profile — Free →Common questions about Top Marks Waterproofing Pty Ltd
What areas does Top Marks Waterproofing cover from their Randwick base?+
Reviews don't specify their exact service area beyond Randwick, though they handle both residential and commercial projects. Given their established relationships with building companies and engineers, they likely service broader Sydney areas. Contact them directly to confirm coverage for your specific location.
Does Mark handle complex leak problems other contractors can't solve?+
Two customers specifically mention Mark successfully resolving leak issues after other waterproofers failed. One reviewer was 'at my wits' end' after failed attempts by two previous contractors before Mark solved the problem. His diagnostic approach and technical knowledge appear well-suited for challenging waterproofing failures.
What do customers say about Top Marks' project management for larger jobs?+
For multi-area projects like the four-balcony job mentioned in reviews, customers praise Mark's thorough trade coordination and consistent communication throughout weather delays. He maintains clean work sites and sticks to agreed schedules, with one customer noting he 'turned up every time he said he would' during a complex renovation.
Do building professionals recommend Top Marks Waterproofing?+
Yes, reviews include endorsements from a remedial engineer praising their 'precision and dedication' and adherence to industry standards. SPH Built mentions using them consistently for 'several years', and another trade professional calls them 'absolute experts in sheet, torch-on and liquid membranes' for on-site work.