Hi all
I’m currently on a project using 20mm purbeck stone the field tiles are 435x435 with a 3mm joint.
the architect Has specified a lime mortar grout.
I have used a nhl-5 and sand mix to grout before as the floor was breathable the tiles had 6mm joints though.
This floor isn’t a lime screed so doesn’t need to be breathable.
I would much rather use a modern cement based grout so I’m going to try and convince the architect it’s the route to take.!
most architects I have come across live by their specifications so I’m guessing he will stick to his guns.
Has anyone else had success with a 3mm joint in lime mortar?
I’m really after as much info as possible - to either support my case for a modern grout or to reassure me his spec will be fine
Cheers
