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KUIPORNG 02-22-2007 03:45 PM

One bucket or two buckets of SLC
I intend to pour SLC tonight for my basement bathroom... I have a questions.... Should I pour 2 buckets at the same time...

or 1 bucket first and wait and see if I need the second bucket...

Reason is, I do not know how many buckets I need, I prefer not to open the second one if I don't need it.. instructions said though you need to mix the two buckets at the same time if you want to pour two buckets at the same time because there isn't enough time for you to mix no more once you start pouring...

I know pour them at separte time will create seam... but I guess seam shouldn't matter if I am going tile on top...Is this Right? Or I should not have seam for better strength....


JazMan 02-23-2007 06:17 PM

This reply may be too late for you but may be of some help for others.

By knowing the sq. footage and the average thickness of the area to be leveled, you should be able to figure how much SLC will be required. You need to have everything ready and work quickly. Have someone help if possible. I see no reason why the directions you mentioned say to mix all the material required. What if you need 3 or more 50 lb. bags.? Makes no sense. Best not to have seams, but pours should blend into the next.


KUIPORNG 02-26-2007 09:08 AM

Thanks, it is a bit late, but I end up use one bucket and think it is adequate anyway... the thing is different than I though, it is so thin when pulling, it end up so hard when dry.... I thought it will a bit like regular motar...

yummy mummy 02-26-2007 09:58 AM

Hi Kui****g:

Because I am the curious type. :laughing:

What is SLC?

And why are you putting it in your bathroom?

KUIPORNG 02-26-2007 10:07 AM

Hi Yummy Mummy,

SLC(Self Levelling Compound) come in different form and shape... the one I used is no need to add anything... but mixing it is very challenge... as the heavy sand sunk at the bottom... I end up being able to mix it anyway (with electrical drill for sure) and only spill a little bit.... but appling it is rather easy.... just pour it...

I have a part of my bathroom which is under-the level... all my bathroom is not completely level, but this part form a circular hole is very under... I affraid it will give me trouble when tiling... so I decided to level only this hole only which is rougthly 3 to 4 sq. ft. in area....

I will think basement is not level may be on purpose as there is a little slope which will draw water to the drain hole... that type of levelling I am not trying to correct and kind of make the tile live with it and try to minimize unlevel manually between tiles.... I did that yesterday... it is not that bad... but compare to a condominum marble tiles... there is still not as good as condo floor is so level....

yummy mummy 02-26-2007 10:13 AM

Thanks for educating me.

I think I will have to use some of that also.

There is one area in my basement that has a drain, and it really slopes down a lot. I would really like to build that up, but I don't know how I would do that because there is a drain there.

I still will leave a little bit of a slope, but right now it really has too much.

Would you have any suggestions as to how I would do that?

Would I put some sort of aluminum tube to form some sort of wall before pouring the SLC?

Thanks Kui****g

KUIPORNG 02-26-2007 10:18 AM

Whatever you do, don't cover up the drain because it is against the code to do so... depends on the types of tiles and grout gap size you are using, it is more or less forgiving in terms of unlevel... I used marble with 1/16" grout size which is close to zero tolerance... in your case if you use regular tiles and larger grout size... may be you don't need to do anything... but then if you have somewhere when you walk on it you feel unbalance a lot... you could do that as well just to get walking comfortable .... I don't think you need to worry about area close to the drain hole though as you need to leave it open ... just other areas....

my drain hole is inside my furnance room which is not renovated... so I do nothing on the floor for it....

yummy mummy 02-26-2007 12:28 PM

I will not cover the drain hole.
But mine is located right in the middle of the room.
This is old construction.
The basement is original to the house, which was built in l942.

There is quite a slope. I have not measured it but I would say it slopes down 2 inches from the other part of the basement.

I do want to bring it up a little.

I guess if I lay the tiles with a bigger grout between them then hopefully my not so level basement floor will not really matter as much?

Thanks for the information.

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