My living room has a wall with a 10-foot-wide alcove, which has a set of windows that share a Craftsman-kinda window trim with a 2x3 capitol - maybe not the correct term, but see picture.

I have a 10-foot-long 2x6 board to attach above this, as a shelf. (I think it goes better with the trim style than a 1x6 board). But that’s heavy obviously so what method is good to attach it to the wall? Brackets? Pocket screws?

The wall surface is probably 1 or 2 layers of drywall or that grainy, concrete-looking wall stuff that’s in the kitchen. wall with three windows and trim

  • a 2x6 board may look too "clunky" because it is too thick – jsotola Jul 21 '18 at 22:13

So, the good news is that you almost certainly have solid wood all above the window to fasten to. This makes it a good candidate for blind shelf supports. (Google, but rockler sells them...)

Alternately (and cheaper), you could have inverted L brackets. Paint the top legs wall color and you'll stop noticing them. Only your fussiest visitors would notice. It's up to you to decide how sturdy you need, but if you find that you haven't got enough to be comfortable, simply add a few more.

  • If he's planning on putting a lot of weight on the shelf, plants etc, I'd recommend 4 either triangular, or nicely routed and curved brackets going down at least 8" below the shelf. Those right angle metal brackets are OK, but will buckle under serious weight. A couple screws into window frame apiece, countersunk, with covering plugs, should be strong enough, and still look decent. – Wayfaring Stranger Jul 22 '18 at 4:10

If you want the best performance and look the french cleat is your best bet. You can either create this yourself using the shelf or you can buy brackets to help you.


A l-bracket will not hold, if weight is up there. A triangle of metal would work, many types out there. Even wood ones. Would use four brackets. Should be a header in the frame to screw to. Im talking about brace on top of shelf so window treatment works.

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