A kit for manufacturing a shower, comprising a shower pan, one or more pre-sized and shaped floor covering panels, one or more pre-sized and shaped wall covering panels, and, in some of the embodiments, one or more pre-sized and shaped curb covering panels. The invention is also directed to a method for manufacturing a shower by the steps of: (i) installing a shower pan, (ii) installing one or more pre-sized and shaped floor covering panels, (iii) installing one or more pre-sized and shaped wall covering panels, and, in some of the embodiments, (iv) installing one or more pre-sized and shaped curb covering panels. The invention is also directed to a manufactured shower, comprising: a shower pan, one or more pre-sized and shaped floor covering panels, one or more pre-sized and shaped wall covering panels, and, in some embodiments, one or more pre-sized and shaped curb covering panels.