What SLC to use over UFL

[Kevin09]

Hi All,

I'm finishing an extension off next week by installing a UFL heating system,I've done a few before but not for a while.
I'm happy with everything,but I'd just like to ask peoples thoughts on what SLC to use.

Are some better than others ?

I've got about 34m2 to do if that helps

 

[Sean Kelly]

You are going to get a load of different answers Kevin. I personally use BAL Level Max. It's quite a watery mix but you still need to use a float to level it out. You will probably need about 9 bags of it.......but buy 10 to be on the safe side.

 

[Rookery]

I like Mapei so I'd use their Renovation Screed but there are lots to choose from.

 

[Qwerty]

I do like Mapei Ultraplan Renovation screed too.

I think @ISOMAT UK make a suitable SLC too?

 

[Albert]

Webber floor flex for me

 

[Flintstone]

You are going to get a load of different answers Kevin. I personally use BAL Level Max. It's quite a watery mix but you still need to use a float to level it out. You will probably need about 9 bags of it.......but buy 10 to be on the safe side.

I’d be using about 18 bags!
No way 10 bags Sean.

 

[Spare Tool]

Just done 36sqm ufh, 6mm over wires this week, used 24 x 20kg bags of Rocatex

 

[Rookery]

About 14 bags.
Area x average depth x 1.7 / bag fill + a couple jic
Therefore:
34mtrs x 5mm x 1.7 / 25kgs + 2 = 14

 

[Spare Tool]

Never works out as it should using calculations though, i always get 1 1/2 sqm mtrs per 20kg bag at 6mm thick

 

[LM]

On a flat floor a bag typically covers 5mts @ 3mm deep, include the cavities around the ufh and a good guide average would be about 2mts per bag.