Hi everyone, further to my thread about my porch step I have dedcided to level things up with SLC howevere I am having real probs getting hold of the stuff. I need one that is suitable for exterior use and which can (preferably) be poured in one go to 25 mm without the need for chippings. I have spoken with both BAL and Mapei but neither seem to do what i'm after. If anyone can recomend anything and where I can get hold of it. I am in Bromley in Kent.

Also as I have never really used this b4 can anyone give me advice how best to use it. The step runs down by 25mm from front to back over a distance of about 700mm. (The step is covered and does not get wet in the rain so am not worried about water getting to the house). Across the step is not as bad, about 8 mm over 1200mm.

I was going to mark the surrounding wall with a straight line from the high point and use screws to level the entire step than just pour working into the corners. Would this be about right?

I would appreciate any advice / pointers you can give.


Thanks - Ernie

Hi Ernie

your search might be in vain. 25mm in Slc is quiet a hit in one go. maybe in two attempts. what about sand and cement, it is only a small area. a little bit of patience,and you will have it done.

others may have a diff solution. good luck

Al

Not an expert in this myself but agree with AW, make sure it's 'keyed' to the step thought even if it's just a few grooves with the trusty angle grinder

I understand Ultra do a 1 hit leveller up to 50mm but I have never used it, don't know if sutiable for external use though. If your step is "enclosed" is it still classed as external?

Originally Posted by ern

Hi everyone, further to my thread about my porch step I have dedcided to level things up with SLC howevere I am having real probs getting hold of the stuff. I need one that is suitable for exterior use and which can (preferably) be poured in one go to 25 mm without the need for chippings. I have spoken with both BAL and Mapei but neither seem to do what i'm after. If anyone can recomend anything and where I can get hold of it. I am in Bromley in Kent.

Also as I have never really used this b4 can anyone give me advice how best to use it. The step runs down by 25mm from front to back over a distance of about 700mm. (The step is covered and does not get wet in the rain so am not worried about water getting to the house). Across the step is not as bad, about 8 mm over 1200mm.

I was going to mark the surrounding wall with a straight line from the high point and use screws to level the entire step than just pour working into the corners. Would this be about right?

I would appreciate any advice / pointers you can give.


Thanks - Ernie

where i am in Spain this type of area would be roughly built up in addy the day before and then laid thick bed style the next day Spanish find SLC to expensive if you can get it.
Andy

Thanks guys. I was considering sand & cement but talking to a guy in the shop who has been a tiler he was saying it would be too difficult to do especially considering the size of the tile im using 15 cm x 15 cm so it put me off a bit. I did find a website called pureadhesion and having spoekn to them it seemed their SLC was the kiddie but being based down here I wanted to just buyy the stuff and get on with it.

Thanks Lucius for your idea but is 25 mm of addy not pushing it??

I will have a look at Ultra on the web, Grumpy thanks.

AS for the way either SLC or render is laid can anyone give me some pointers as per my previous thread?


Cheers all. Ernie.

I should have mentioned thepeople at pureadhesion are selling an SLC called stonefix. Is this stuff ok does anyone know?

Ta Ernie

Originally Posted by ern

Thanks guys. I was considering sand & cement but talking to a guy in the shop who has been a tiler he was saying it would be too difficult to do especially considering the size of the tile im using 15 cm x 15 cm so it put me off a bit. I did find a website called pureadhesion and having spoekn to them it seemed their SLC was the kiddie but being based down here I wanted to just buyy the stuff and get on with it.

Thanks Lucius for your idea but is 25 mm of addy not pushing it??

I will have a look at Ultra on the web, Grumpy thanks.

AS for the way either SLC or render is laid can anyone give me some pointers as per my previous thread?


Cheers all. Ernie.

Over here they sell addy specificaly for deep bedding and on the bag it tells you can pack out with it the day before the instructions are in English and Spanish dont know if it is available in U.K. but the one i use is made by Pegoland. Andy

Ardex k15b may be your answer, it goes to 35mm without aggregates you will get it in two goes..Mark

ARDEX K 15-B from ARDEX UK

ultra level it one does 50mm in one hit

use semi dry sand and cement , that is mix 4 parts sand ,1 cement and add enough water so that its still powdery, bond slurry the area then pack in the area with the mix and polish off, the beauty of using semi dry is that you can adjust the heights and level as much as you want when layin it..

What about sand/cement mixed with sbr and do a slurry, again mixed with sbr before laying the screed

to use slc you need to know what you are doing,

sand and cement is child play

Al

there are a few self levellers on the market that will do up to 50mm in one application, Mira X Plan is one such. However, most including Mira are not suitable for exterior use.

Thanks for all your responses guys. What I have done is located a self leveeler by granfix called solo and bought 3 bags so will go this route. This will go up to 20mm thick in one pour. Having checked my step again one end falls to 19 mill and the other to 24 mm (looking art the step from front to back). The guy where I bought the SLC from said that with the 4 mm you could use a thicker mix of adhesive to make it up before laying the tiles. He and a couple of others also said SLC would be easier to use than sand and cement. After reading AW's thread though I am now sitting in a corner in a ball!!

I have read SWE's tiling tips on self levelling and it seemed pretty straight forward (although I realise this is never the case)!

Anyway as I have hastily spent the money could anyone just give me some pointers to avoid errors in using this stuff.

Once again all your advice is most appreciated and useful.

Thanks Ernie.

Hi Ernie

once you have made up your mind, stick to it.I assume you never used slc.

the thing about it is, it keeps flowing for a while. you have to contain it with a barrier, or mix very small amounts, but you still have to contain it. the other thing I would do, put some cardboard around the walls you are going to hit. got to keep it separate, that goes for your tiles as well. called expansion

Sand might be an option as a barrier.

Mate the best of luck and I do mean it.

Al