Hi i'm self building my own barn conversion and have a anhydrite screed and underfloor heating.
Screed was laid 8 months ago and latence removed about 5 months ago, the heating cycled during the winter but off now as its 'summer'.
I dont have any way of testing if its dryed out but have had a dehumidifyer reading 65rh for the las month while plastering the walls.
The largest area is openplan layout 8meters x 6meters
Porceline tiles 900x225 to be laid in herrin bone (the wifes idea to keep me on my toes).
Note: the screed runs through the whole house 160sqM without any expansion joints and i want to tile the lot.
I assumed i would be laying the 8mm tiles on 4mm of TM anhydfix adhesive and have set the door frames to leave a 10mm gap below the doors, as this is the spec for the MVHR system, to the finish floor height.
Then someone said i should put in expansion joints and use anti crack membrane.
A few of you have differing opinions though, including matting and cement based on top which would increase the thickness of the finish height. I know i can trim the doors down by 6mm but the front door could be an issue?
Where if any should i put expansion joints in the tiles.
Thanks for your insights
Martin
Screed was laid 8 months ago and latence removed about 5 months ago, the heating cycled during the winter but off now as its 'summer'.
I dont have any way of testing if its dryed out but have had a dehumidifyer reading 65rh for the las month while plastering the walls.
The largest area is openplan layout 8meters x 6meters
Porceline tiles 900x225 to be laid in herrin bone (the wifes idea to keep me on my toes).
Note: the screed runs through the whole house 160sqM without any expansion joints and i want to tile the lot.
I assumed i would be laying the 8mm tiles on 4mm of TM anhydfix adhesive and have set the door frames to leave a 10mm gap below the doors, as this is the spec for the MVHR system, to the finish floor height.
Then someone said i should put in expansion joints and use anti crack membrane.
A few of you have differing opinions though, including matting and cement based on top which would increase the thickness of the finish height. I know i can trim the doors down by 6mm but the front door could be an issue?
Where if any should i put expansion joints in the tiles.
Thanks for your insights
Martin