The best replacement for hydroban is redgard.

The best alternatives to hydroban are rated as following:
★★★★★  redgard
★★★  redguard
★★  kerdi

Your alternative for hydroban is not listed? Suggest!
Speaking about hydroban, one probably shouldn't forget about kerdi drain.

Other search terms related to hydroban and their ratings are:
★★★★★ kerdi drain
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Google Trends

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hydroban
redgard
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