Reply by clin

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Posted on Z Bar/French Cleat conundrum

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1076 posts in 1601 days

#1 posted 11-13-2018 10:36 PM

I don’t see several hundred pounds across the Z bar as an issue. It’s going to be more or less spread evenly across the bar. I too would be more comfortable with steel than aluminum for these.

This design and discussion seems very familiar to me. OP, did you start a thread don this a while back? Regardless, I know my concern in that other thread, and for this, is the “floating” nightstands. But if I understand what I’m seeing in the photos, the nightstand has a back extending up about 2 feet.

I agree with the idea of strengthening that back. It needs to be an integral part of the nightstand and resist the loads on the nightstand trying to pry the nightstand from the wall. I would run ribs from top to bottom rather than double up the sheet material. I would make these full depth (same as the frame). Glue and screw from the back side.

As this is, it will hang from a cleat near the top. But the weight and load on the nightstand will be pulling at this back, at your tenon location, as you obviously know. This will be trying to pull the back out and I think that back may start bowing. The added ribs would help resist this. 2 or 3 full depth ribs would add a lot more stiffness than doubling with a layer of 1/2” ply.

You could add another cleat near the tenons to help hold the back to the wall and resist the force trying to bow it. If it were me, I’d screw the thing to the wall with screws inside the night stand. located as high as possible. This would pull the night stand tight to the wall.

Your total weight really isn’t much of an issue. In many ways, what you have is just a bank of wall cabinets. And it’s going to hold pillows not heavy plates. The night stands are the issue becasue they stick out 2 feet and will want to sag under their own weight and of course, someone will put their weight on the front edge of these someday for some reason.

I like what you have and I think in the end it’s going to work out well.

-- Clin

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