Excellent excellent video As a woman alone I needed this information desperately

Great Simple fixes… thank you !

Fantastic advice and gave me the direction needed to fix a sagging shelf under my coffee table 🤙🏽👍🏼

great tips. I am a stained glass artist and my glass shelves are not looking super strong, so I REALLY needed some direction to override my panic mode. Thank you!!

thumbs up! all legit, I just always pick those that leave the final product clean

Thank you! The top shelf in our kitchen is sagging, and the screws have broken through. My plan is to screw a block of wood to the face portion as a support, and use L brackets for the sides that have started coming down as well!

all good advice, thank you.

Great help. Thank you!

Great advice thanks!

I just used your 2nd method to fix 5 sagging closest shelves. I added edging on both the front and back using pocket holes from the shelf into the edging. It fixed the sagging and added adequate strength. Thanks for the tip!

Thanks for sharing

You are really cool. Thanks.

i am going to glue it

What's your recommendation for cheaper bookcases that don't have a backer board? Mine has that thin cardboard backing and the shelves are held up by resting on top of two pins in holes sticking out of the side boards. Any help is appreciated!

Structurally, the number one way is to put a ledger board along the back edge of the shelf. If the center front edge still sags, miter cut the front edge and glue another mitered strip (for example a 1x2 standing vertically) to it. Both miters go "face to face" and there's no exposed plywood on the front edge of the shelf.

I sometimes add dowels to the back of the shelf. Useful when you can’t access the rear of the backer board.

You have good advice on how to build a shelf that won't sag, but not how to fix one that's already sagging (like the title says)

What about running a dado and adding recessed square steel tubing the entire length of the shelf. I know its a pricier option, but for a really long run of custom shelving, is there any other downside to doing it this way?

Would pin shelves (sides and one at the back) be as strong as a fixed shelf?

Gr8 Tx

I'm redoing our closet and on the shelves will be ~ 3' stretch. I'm using 1/2" plywood (for space more than anything. it's a small closet). I'll be doing the backer board and the front edge piece. If I ran vertical strips from the backer to the front edge piece, do you think that would be strong enough to prevent sagging?

Is great if backing is wood, mine came with a metal pice that has 2 tubes to go inside holes on shelf, n the front tilts down.

What about the trick to fix wood shelf that already has bowed?

Great tips, but these are mostly preventative. Not terribly helpful if the shelf is already warped :/

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