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Why we never tile a bathroom before a flood test

Prepared by Kashf’s technical team · editorial review · Last updated: · Editorial policy (Arabic)

اقرأ Here is what this page is for بالعربية

Most bathroom damp complaints come from a membrane that was applied and tiled over the same day without testing. We do not cover a layer that has not been tested.

Test before covering

We flood the floor for a set period and watch the floor below. If any trace appears we treat and retest before tiling.

The details are the problem

Corners, drain surrounds, the toilet base and the threshold are where membranes usually fail, so we treat them with tapes and preformed pieces, not a general coat.

No breaking when that is right

If the original membrane exists and only the details failed, we offer a no-break treatment at a lower cost and explain its limits.

Documentation and warranty

Before/during/after photos and the test result in the quality record, and a numbered warranty verifiable on the verification page.

What you actually get

  • Damp source identified before any waterproofing.
  • A documented flood test before tiling.
  • A no-break alternative when it suits the case.
  • A numbered verifiable warranty.

Frequently asked questions

Can I watch the flood test myself?

Yes and we welcome it; we photograph the result and place it in the execution record.

On-site service is available in Saudi Arabia; the guides and tools can be read anywhere.

This page is informational and educational. Confirming a leak, an insulation condition or a pest infestation always requires an on-site assessment, and structural questions are for a licensed engineer. We do not publish promises we cannot prove.