How thick is the glass on the steam showers? Customer Support February 02, 2021 21:56 Updated Typically the majority of the range has 5mm tempered safety glass, but on the Noire range this is 8mm. Related articles My Shower drips constantly after use? Using the steam facility Steam facility. What should I expect from my shower? What should I use to clean my shower? Comments 0 comments Please sign in to leave a comment.