Shower Doors Kits For Mobile Homes How Do You Make One Of Those Thick Glass Enclosed Shower Stalls With Hinged Door?

How do you make one of those thick glass enclosed shower stalls with hinged door? - shower doors kits for mobile homes

I see only kits with plastic parts and so ... I had a room with walls made of brick, such as tub and shower, with a stone in the shower floor grout ...
How can I get the glass, you should at a glass shop or what you sell kits?