Should we raise the basement floor with self leveller or dry pack?
The concrete is 1/4 inch sloped from the highest point in the middle.
I am going to use schluter heated floors and we want the tiles in the bathroom to match the laminate outside in the hallway.
Our contractors want to use a self levelling product but with previous experience the self leveller cracked in some places.
We would recommend drypack since you are using the Schluter system. Self leveller make cause an uneven surface and create air bubbles or an uneven adhere to the Schluter mat. Drypack usually goes for $2.50-$3.50 a sq/ft.
I would use self leveler. I believe the dry pack will crack if it's feathered out too thin. If you read the specifications, it's made for 1/2" to 2".
I have used LelevlQuick RS from HD. With great results. Most important is that the concrete you are applying it to, has to be clean. No paint or other contaminants.
You should not have any problems laying the Schluter Ditra heat mat over it.
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