Standard glass thickness supplied is 1/2” (12 mm) tempered or laminated. Other glass options of up to 1” are available and include both laminated and tempered glass. The glass thickness is determined by customer need, panel size and local code requirements. The standard rail thickness of 1 7/16” (36 mm) for 1/2” (12 mm) glass will be adjusted accordingly for other glass thickness. All vertical edges of the glass panels come polished. To reduce glass stress, glass is clamp installed for equal distribution of weight. Additional options include low iron or decorative glass, acrylic, wooden, or stainless steel mesh inserts.