Should a man repeat the Friday prayer which he performed with tayammum because he was unaware of the location of the ablution facilities in an unfamiliar mosque, or is his prayer valid?
Whoever does not find water and fears missing the Friday prayer should perform tayammum and pray it, and not miss it. There is no need for him to repeat it, and this is the most apparent view.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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