L lcjohno TF Feb 20, 2010 #1 what trowel size would you guys use to lay insulation boards? there 6mm ekoboards from uheat, floor is concrete, pretty flat. Is 8mm big enough?
what trowel size would you guys use to lay insulation boards? there 6mm ekoboards from uheat, floor is concrete, pretty flat. Is 8mm big enough?