A
Anthony Rigby
Firstly I'm a DIY'er if that makes any difference but I'm also an industrial chemist and this bonding to calcium sulphate screed is really interesting....I'll get my coat ;0)
After having a chat with Ajax I've plumped for the Gyvlon screed, 35 square meters laid by these guys... TW Pump Hire - Liquid / Flowing Screed Application (ps thats not an advert as I'm not connected at all but merely recommending them from experience)
It's been in a while now and we've had the wet UFH on so it should be quite dry. Now as a DIY'er trying to find somewhere that did Gypsum based adhesive was neigh on impossible however by luck creative impressions is located about 20 mins from where I live. I took a drive down there yesterday and picked up some bags of their GBTA along with some primer.
I decided for the sake of the short while to prime the surface after ensuring all the laitence had been removed. The primer looks very much like PVA although it did smell like it had some type of ammonia based compound mixed with it. Two coats of primer went on easily and was no issue at all.
I'll report back as to the use of the GBTA and my experiences once completed.
Two tilters type questions first if that OK?
I'm putting Tavertine 60x40 stone down, what bed size would you plump for? I was going to work on 3mm however I'm not sure if thats sufficient?
Also the room is open plan so I was going tile half of the room, move the furniture, kitchen units etc to the other half once tiled and allowed to dry and do the other half... will this be OK?
Cheers for now..
Ant
After having a chat with Ajax I've plumped for the Gyvlon screed, 35 square meters laid by these guys... TW Pump Hire - Liquid / Flowing Screed Application (ps thats not an advert as I'm not connected at all but merely recommending them from experience)
It's been in a while now and we've had the wet UFH on so it should be quite dry. Now as a DIY'er trying to find somewhere that did Gypsum based adhesive was neigh on impossible however by luck creative impressions is located about 20 mins from where I live. I took a drive down there yesterday and picked up some bags of their GBTA along with some primer.
I decided for the sake of the short while to prime the surface after ensuring all the laitence had been removed. The primer looks very much like PVA although it did smell like it had some type of ammonia based compound mixed with it. Two coats of primer went on easily and was no issue at all.
I'll report back as to the use of the GBTA and my experiences once completed.
Two tilters type questions first if that OK?
I'm putting Tavertine 60x40 stone down, what bed size would you plump for? I was going to work on 3mm however I'm not sure if thats sufficient?
Also the room is open plan so I was going tile half of the room, move the furniture, kitchen units etc to the other half once tiled and allowed to dry and do the other half... will this be OK?
Cheers for now..
Ant
