How big should grout lines be for subway tile? 3 x 6 inch subway tiles typically have grout joints of 1/16 inch, but 1/8 inch grout joints are also common.Jan 21, 2021
What size spacers should be used for backsplash tiles?
A tight, 1/8" grout space will allow the pattern to flow nicely from one tile to the next. 1/16": We recommend a 1/16" grout size for our Glass Tile Line. Glass has clean edges allowing for a tight install.