Seamless/tightly butted patio joints - how to grout?
hi need some product advice please! I saw a pic of a nice patio with very small/tightly butted up grout joints. By this i mean a mil or two.
So laid my patio as tight as they would go.
The problem is is that i cant get any standard sand down there to fill the fine gaps. So i have a fine gap around all the slabs. Some of them have a tiny bit of movement so really want to fill the joints to hopefully stop this happening. I have heard of a very fine grout powder which can be brushed in?
thoughts and or specific product revommendations please?
thanks in advance