Spotted this in a Lowe’s sale circular:

The thickness comes from the manufacturer and the area from the installer, so it all makes perfect sense…
Besides, 3 cm sounds much fancier than 1-3/16 inch, doesn’t it?
The Smell of Molten Projects in the Morning
Ed Nisley's Blog: Shop notes, electronics, firmware, machinery, 3D printing, laser cuttery, and curiosities. Contents: 100% human thinking, 0% AI slop.