I need to reinstall a six-stair unit and self-hung door unit which lead into my basement. The area in question allowed water seepage and the stairs and door were removed to allow for treatment of the concrete floor and cold joint with Xypex Patch 'n Plug and Concentrate. Now the person who did this work (and is located 300 miles away) is sick and unable to complete it. The carpenters who have looked at it all were apprehensive about the irregular floor surface created by the Xypex application.


The floor area is essentially a rectangular floor (with walls on 3 sides) about 64" deep x 36" wide x a maximum of .75" high (variable due to the irregular floor surface).


I wonder if one of Quikrete's self-leveling products would be good to use. Quikrete said they haven't tested any of their products over Xypex so they don't know if there might be a bond problem. They said to contact Xypex who said to contact Quikrete. Any suggestions?

(I entered this as an exterior home although it's in a basement.)

I am surprised that the carpenters are having an issue with an irregular floor. It is very easy to cut stringers so the stairs will be level, easier than pouring a floor.

The stair unit was made like interior stairs with oak treads and risers, and with the bottom of the stringers and the bottom step resting on the floor. The person who removed it did a very careful job with the intention of installing it the same way. Scribing along the bottom would be very difficult, which is why I wondered about a self-leveling product.

The stairs are on the finished side of the door that goes up to another level of the house. They're not actually in the basement, but lead down to it.