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BobSmitt 08-04-2011 01:10 PM

Wainscoting and crown moulding with unlevel floors
I recently purchased a home with a concrete slab foundation. We want to install beadboard wainscoting and crown molding. In some rooms the slab has quite a slope (3.75" in 29 feet) and we're not sure whether the wainscoting should follow the floor, or be installed so that it's actually level. The ceiling matches the floor so that it's always 98.5" from the floor. I'm afraid that if I install the wainscoting to be parallel with the floor the vertical lines of the beadboard will be visibly out of plumb and just look unlevel to the eye. On the other hand, I don't think it would look good to have the wainscoting almost 4" higher on one side of the room (one continuous wall) and not parallel with the crown molding.

Advice and/or opinions are appreciated.

kwikfishron 08-04-2011 01:25 PM

Welcome to the forum.

I’d measure from the ceiling down to the top of the wainscoting on either end of the wall, snap a caulk line and go with that. A level line would stand out like a sore thumb.

Broughton 08-04-2011 01:39 PM

If you start the wainscoting on the floor at the high end of the room and run it level, by the time it gets to the other end of the room there will be a 3.75" gap. Then run 4" or greater baseboard across the room and it will hide the gap. Much more important that the wainscoting is level.

DannyT 08-04-2011 02:01 PM

my question is why is the floor that far off of level?

BobSmitt 08-23-2011 11:59 AM


Originally Posted by DannyT (Post 700246)
my question is why is the floor that far off of level?

It's earthquake country and this concrete foundation has lived through two magnitude 7.0+ earthquakes occurring within 10 miles in its lifetime. Seismic activity on a cut and fill hillside lot will do that. I imagine that's the main reason for the slope.

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