You will rarely see movement joints in anhydrite. However if the tile face needs a joint e.g. Large bays, door thresholds, etc this these should be installed regardless of whether or not you see a joint in the screed. Sometimes the joints are not required in the screed and sometimes they are just beneath the surface of the screed so you can't see them. Not ideal I know but it is the best way for the screeders.
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S
Stef
Alan, I actually quoted you to the builder & was going to pass on your number to him as I knew you would verify what I was explaining to him.
Thankfully it never got to that stage as I know him & he knows what I'm like when it comes to anything tile related.
Thankfully it never got to that stage as I know him & he knows what I'm like when it comes to anything tile related.
S
Sean SML Tiling
When separating the floors in bays is it ok to use a 3mm Silicon joint as a movement joint?
Yes that's ok provided the floor doesn't expand by. More than about 2mm. Movement joints though are usually 5mm in my experience
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Sean SML Tiling
Ok on anhydrite screed 80mts and I've separated the floor 6 bays as there is 6 uhf zones. Customer didn't want industrial joints and went for Silicon.
The screed itself hardly moves so that bit will be fine. Can't say for the tiles though.
N
newlineuk
Do you guy's grind the laitance off first?
If you don't you ain't doing it right... :mad2:
S
Stef
As Alan (Ajax) says, you must remove the laitance or the floor will fail!!!
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