
Bathroom Waterproofing Checklist Before Tiling
Prevent bathroom leakage with substrate preparation, corner treatment, drain detailing, upturns, testing and tile coordination.
Prevent bathroom leakage with substrate preparation, corner treatment, drain detailing, upturns, testing and tile coordination.

Prepare the substrate
Remove dust, laitance and loose material, then repair cracks and honeycombs.
Detail corners and pipes
Use compatible reinforcement tape or collars at changes in plane and penetrations.

Maintain upturn heights
Continue waterproofing above likely splash and ponding levels, especially around showers.
Test and protect
Complete a water test before tiling and protect the membrane from subsequent trades.
Use this in Build Mart Nepal
Turn the guidance into action by creating a project, loading a BOQ, matching local providers, issuing quotations and storing approvals in the Build Mart Nepal construction operating system.
Quick implementation checklist
- Define the required outcome and acceptance evidence.
- Assign an owner and target date.
- Record quotations, approvals and changes.
- Inspect completed work and retain handover records.
NepalBuild Admin
Content Team · BuildMartNepal.com — Nepal's construction materials marketplace
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