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Sydney, New South Wales · October 2026 figures

Compare the top 10 waterproofing contractors in Sydney, NSW

Of the top 10, SealTech Solutions has the most reviews (159), and 8 of them share the highest average (5.0). Hunter Waterproofing Specialists and Apex waterproofing list the most opening hours of the 10 (168 a week each).

The top 10 waterproofing contractors in Sydney, side by side
RankBusinessRatingReviewsRating floorDays openSaturdaySundayOpen latePhoneWebsite
1SealTech SolutionsSydney5.0159Floor 4.876YesNoNo1300 356 703sealtechsolutions.com.au
2Hunter Waterproofing SpecialistsAuburn5.095Floor 4.837YesYesYes0450 345 400hunterwaterproofingspecialists.com.au
3Seal MastersCampbelltown5.087Floor 4.826YesNoNo0424 626 557sealmasters.au
4Michael Joint Sealer pty ltdGuildford5.059Floor 4.797YesYesYes0424 420 002none listed
5Sydney Waterproofing ExpertsSydney5.059Floor 4.797YesYesNo1300 040 553sydneywaterproofingexperts.com.au
6Apex waterproofingSydney5.050Floor 4.777YesYesYes0420 778 363apexwaterproofing.com.au
7Prestige Shower Repairs SydneyRamsgate Beach4.9132Floor 4.766YesNoNo0450 416 854prestigeshowerrepairs.com.au
8Dr. SiliconeSydney5.044Floor 4.755NoNoNo0412 218 746drsilicone.com.au
9SealRITE SolutionsCaringbah4.9110Floor 4.745NoNoNo1300 123 008sealritesolutions.com.au
10Sydney Waterproofing Services pty ltdSeven Hills5.041Floor 4.746YesNoNo1300 949 191sydwaterproofingservices.com.au

See all 117 ranked

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Ratings and review counts are Google's, as listed in October 2026. Phone numbers, websites and opening hours are the ones each business lists. Nothing here is paid for or verified by Calso. How the ranking works.