Inquiry (采购产品): Question regarding tempered glass? I am interested in the window selling business to new construction, and my question is when doing a window take off from a set of plans when do you know when tempered glass is required I know there is guidelines for this and can't seem to find them any help would be greatly appreciated. Jason **** Hidden Message ***** Jason Horrocks 32259 USA Company: Davis and Associates builders inc. E-mail: jrockssvt@aol.com **** Hidden Message ***** jrockssvt@aol.com
