Shower Niche - 360 x 420 x 92mm Prefabricated Wall Bathroom RenovationShower Niche 360 x 420 x 92mm Prefabricated Wall Bathroom Renovation Remodelling a shower or building a new one? Consider one of our prefabricated shower niches. Designed to display and store bath accessories, these shower niches are great not only for showers, but also for bathrooms and wet rooms as well. Constructed with a core of high density polystyrene and a waterproof, liquid applied sealant, this niche gives you a waterproof, ready made