wedi prefabricated shower niches are fabricated from wedi^® 1/2 in. (12.7 mm) Building Panels for strength, and come in seven different size options to fit every shower necessity. wedi shower niches install quickly, safely, and integrate flush into the wall panel assembly with wedi fasteners and wedi^® Joint Sealant. Shelves, included in some models, are flexible and can be installed exactly where they best fit the design. With little effort and with the use of wedi Building Panels and joint sealant, niches can be cut to size, or even extended if needed.