Floating shelves

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Forum topic by gul posted 02-15-2012 02:49 PM 1818 views 0 times favorited 8 replies Add to Favorites Watch
View gul's profile


400 posts in 2956 days

02-15-2012 02:49 PM

Topic tags/keywords: question

I was trying to make some floating shelves,since the only choice I had was to make Mdf box over a wooden frame and hand it with french cleat.The box itself is kinda heavy,anyway when I tried to install the shelf,it has a tilt downwards,the cleat is firmly secure to the wall.I tried all i could think of but no use.
Can Anyone suggest where did I go wrong?

8 replies so far

View Bill White's profile

Bill White

4928 posts in 3954 days

#1 posted 02-15-2012 03:06 PM

I don’t think a Fr. cleat has the rigidity to hold an extended shelf.


View DonH's profile


495 posts in 2811 days

#2 posted 02-15-2012 03:24 PM

Hi Gul

Possibly the cleat is not holding the shelf tight enough to the wall because either the cleat is too thick or the shelf component does not tightly match it. If the cleat is firmly attached to the wall and is not coming loose I would not worry too much about the wieght. You can correct the problem by planing or sanding the cleat thinner (if that is the problem) or shimming either the cleat or the shelf with veneer or tape. I suggest examining it and try the tape option first as this will help you figure out what part is not the right size.

Hope this helps


-- DonH Orleans Ontario

View ldl's profile


1135 posts in 2359 days

#3 posted 02-15-2012 03:31 PM

Either make another cleat for the bottom or use a shim the same thickness as the upper cleat and attach it at the bottom of the cabinet. That’s what I did for mine.

I don’t know how you attached your cleat but the video I saw said inset the top cleat inside the cabinet and it would sit flush. I didn’t want to loose the space by insetting so I attached the cabinet side cleat to the back of Cabinet. I went back and built another cleat for the bottom so it would be even. As I said you could also attach a spacer to bottom to make level.

-- Dewayne in Bainbridge, Ga. - - No one can make you mad. Only you decide when you get mad - -

View Lee Barker's profile

Lee Barker

2170 posts in 2844 days

#4 posted 02-15-2012 04:43 PM

You’ve got all the information you need to correct the issue.

Make a new wall cleat that is angled up at the same angle that your shelf is drooping.




-- " his brain, which is as dry as the remainder biscuit after a voyage, he hath strange places cramm'd with observation, the which he vents in mangled forms." --Shakespeare, "As You Like It"

View gul's profile


400 posts in 2956 days

#5 posted 02-16-2012 05:32 AM

Thank you all for your help.Gonna try it a try today.Hmm I was thinking maybe it’s because of the shelf’s measurement,it’s 4 ft in length and 10’’ depth.

View JCantin's profile


179 posts in 3405 days

#6 posted 02-16-2012 01:22 PM

For that size shelf you might be better off building the shelf as a shallow box with the side facing the wall open. Then you attach an anchor board to the wall (into studs) and fit the shelf/box over it. Screw the shelf from below to the anchor. Doesn’t fix your current problem I know.

View waho6o9's profile


8187 posts in 2570 days

#7 posted 02-16-2012 01:28 PM

Put a level on the wall, cleat, etc. and check for plumb and level. Good advice above as well, good luck and keep us posted.

View ldl's profile


1135 posts in 2359 days

#8 posted 02-17-2012 03:09 PM

Look at the bottom left of the cover pic and you will see a narrow board sticking out. That is the lower cleat I installed on the cabinet which brought the bottom out level or even with the top. I made the lower wall cleat long to add a small something ??? to later. My cabinet is 4’ x 12”.

-- Dewayne in Bainbridge, Ga. - - No one can make you mad. Only you decide when you get mad - -

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