Shower Niche or Shampoo Cubby Tileable Wetroom Alcove FREE Tanking Tape. These customisable extra deep niches will require 140mm wall cavity depth to the surface of your wallboard. Should your wall cavity not be deep enough then simply fit the niche and trim off any surplus protruding beyond the surface of your wallboard using a Fien saw, (multitool), or a fine cut long saw.
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