Niche installation explained. - So many of you asked the same questions: - the cut goes around the outside flange and the flange sits flush and gets adhered to the studs. - Typically there is drywall on the other side of the wall so you would adhere the niche with adhesive there. - here is the exact instructions from the data sheet on bracing : “if accessible, install 2x4 horizontal cross bracing…” in some cases it’s not an option to add bracing. You may choose to add it if you want. - Hope that