Shower waterproofing repair
Ask the contractor to diagnose the moisture source and define how the waterproofing system will be reinstated. Confirm testing and reporting.
This guide has a checked price reference. Verify the source scope and availability before using it. How prices are checked
Published price reference
$79.89 per 4 L tub (AUD) · Crommelin Shower Waterproofing Membrane
Material only for under-tile work. Leak diagnosis, removal, substrate preparation, detailing and retiling require separate pricing.
Bunnings Australia · Checked 13 November 2026.
Build a budget from your quote
Separate investigation, removal, waterproofing and finish reinstatement.
NSW Government waterproofing work guidance · Checked 13 November 2026.