Discuss Un level floors in the British & UK Tiling Forum area at TilersForums.com.

W

willbones

Hi guys, got a job today. Kitchen floor, using ceramic in brick bond. The floor now is made of very old, incredibly solid sandstone. The other thing is the floor slopes slightly at different points.

If any one can help with these queries it would be great.

1) how do a level the floor up? Do i just use SLC? What if i need to get it to about 2cm thick to even out the floor?

2) Do i need to treat the sandstone before I put SLC down? If that is indeed the best way to get the floor level?

3) If i use SLC do i need to prime it with APD before i put the rapid set on?


Can you use a thicker bed of SLC than 6 mm? IF so, how?

I know there is a lot there but any help would be appreciated.


MAny regards

Will
 
G

GazTech

Hi guys, got a job today. Kitchen floor, using ceramic in brick bond. The floor now is made of very old, incredibly solid sandstone. The other thing is the floor slopes slightly at different points.

If any one can help with these queries it would be great.

1) how do a level the floor up? Do i just use SLC? What if i need to get it to about 2cm thick to even out the floor?

2) Do i need to treat the sandstone before I put SLC down? If that is indeed the best way to get the floor level?

3) If i use SLC do i need to prime it with APD before i put the rapid set on?


Can you use a thicker bed of SLC than 6 mm? IF so, how?

I know there is a lot there but any help would be appreciated.


MAny regards

Will
If you need to build up,put grano chippings in the SLC.Or screed in layers.APD before SLC and after before tiling.Bal multibase,uses 5.5 litres of water to a bag,put in 6 and it levells better
icon14.gif
 
D

DHTiling

hello wilbones mate. if u use ardex k15 to level floor it will go upto 15 mm with no chippings and upto 35mm with chippings......use bal bond sbr to prime this will aid the leveller to adhere to sand stone floor better and add a little sbr to the leveller this will help with the flow and create less airbubbles in the slc.......
 
G

GazTech

hello wilbones mate. if u use ardex k15 to level floor it will go upto 15 mm with no chippings and upto 35mm with chippings......use bal bond sbr to prime this will aid the leveller to adhere to sand stone floor better and add a little sbr to the leveller this will help with the flow and create less airbubbles in the slc.......
K15 is the dogs danglies,used it all the time when screeding for Amtico flooring,gives a great finish,wasn't aware you can go that thick though well done DH
 
W

willbones

OK - i've decided to use SLC with grano in it to bulk it out so i can get the thickness up safely to what I need. Does anyone know what ratio I should mix the grano in at? I was thinking 1:1, but dont really have a scooby. Second, I will prime with APD initially, lay on SLC, then re-prime with APD. Can anyone reccomend a good reasonalby priced SLC? Its for a family member and they want to use B&Q's own SLC - but i have no experience with them. So, 2 questions are:

1) What ratio to mix the grano in to the SLC at

2) A good reasonably priced SLC?


Many thanks fellas

Will
 
C

clarke

Ive used the b&q slc on little jobs and its pretty good at levelling itself if you put in just over the amount of water the instructions say to but like dhc said, it can crack if you go too thick. Always better to spend proper money and do a proper job. That way youll never get any come back from it, especially as its family, The worst customers!!!
 

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