Was wondering how long until I could tile a liquid screed. I hear its 1 day per mm depth. Is that right? Any specific primer needed for liquid screed? Im tiling limestone on top of it. Thanks for advice in advance
Liquid screed drying times
- Thread starter james hailwood
- Start date
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H
hmtiling
Sounds like gypsum based to me. Any ufh? If not a mm per day believe up to a certain depth but can then be more it unusually deep. Cash be force dried with ufh. Should be sanded, heating commissioned and primed. I'd use a decoupler with stone and gypsum based adhesive under it then cement based on top for cost reasons. Loads of threads on here about anhydride/anhydrite screeds.
O
One Day
Thanks guys, it's fibre reinforced and 40mm deep with under floor heating in it. How long is it until the ufh can get turned on to start drying it out? Once dried out sand it to a rough surface, then prime, then gypsum based adhesive then decoupler then flex adhesive?? Why gypsum adhesive and not flex cement based? Cheers
H
hmtiling
You need to find out if it's gypsum based or traditional sand and cement screed.
S
Stef
You need to know exactly what the screed is or it could end in disaster.
As said above get it checked.
If you put cement based addy onto a gypsum screed & you haven't created a barrier then it's going to form entrignite crystals & pop the tiles..
As said above get it checked.
If you put cement based addy onto a gypsum screed & you haven't created a barrier then it's going to form entrignite crystals & pop the tiles..
O
Old Mod
Hope it's gypsum at only 40mm!
H
hmtiling
Fibre Screed - Fibre Screed - [DLMURL="http://www.premiermortars.co.uk/screeds/fibre-screed"]Fibre Screed - http://www.premiermortars.co.uk/screeds/fibre-screed[/DLMURL]
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O
Old Mod
UFH?
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