The Foss Federal Brace's Foss Shower Bench Brackets easily mount to studs in any pre wall material shower bench installation. When attached to the studs inside the wall and tile is installed, brackets appear to float out of the wall for an exquisite shower bench. The Foss Shower Bench Bracket is designed to allow for a 1" gap between the seat and the wall to eliminate any standing water that might cause yucky mold or soap scum to grow next to the wall. Each support will hold an amazing 500 pounds allowing you to feel safe when sitting in your beautiful shower. Stainless steel material is perfect for the wet humid conditions. The Foss Shower Bench Bracket will hold a 18" deep seat and when installed will be 20-21" in height.