They back butter the tiles then. To be honest each tiler will have their preferred method. So either purchase it and see if anything is left over and return.
@musa started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
They back butter the tiles then. To be honest each tiler will have their preferred method.
So either purchase it and see if anything is left over and return.