I NEED HELP! How can I prop up this vertical door?

Rockler has a Lid-Stay Torsion Hinge that may suit your needs. The site has a calculator to help figure out which size is needed for the weight of your life.

-- Mike - Waukesha, WI

Thanks mike! That looks like it could work! I’ll check it out! Any other options just in case are appreciated everyone.

Rockler has a number of different lid stays that would work for that.

-- Bondo Gaposis

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-- there is no educational alternative to having a front row seat in the School of Hard Knocks. --

hehe, There are so many different types of lid support options, you will go crazy picking just one?

For larger heavy lids, soft close versions are nice to prevent smashed fingers. :-0)

Rockjer carries a small subset of what is in market, as they own the patents on Torsion Lid Hinge they sell.

Look here for more ideas:
https://www.thehardwarehut.com/cabinet-lid-stays.php

Sugatsune hardware is readily available at less expensive online sources.
https://www.sugatsune.net/lid-support-hardware-industrial/index.cfm?catid=3

But all the hardware companies (Hafele, Rockford, National, Knape-Vogt, Salice, US Futaba) make lid stays.

Best Luck finding one you like!

-- If it wasn't for bad luck, I wouldn't have no luck at all, - Albert King - Born Under a Bad Sign released 1967

I have made my own lid supports for a couple of different applications. If you take a screen door spring (old fashioned kind), it’s obviously very flexible. But if you let it straighten out, you’ll see that it’s quite stiff if you push on it endwise. My hardware store has an extensive array of coil springs, so it was easy to find the length and springiness I wanted.

I made swivels or pivots at both ends to allow movement of the lid. When you push the lid all the way up, the spring straightens and holds the lid in place. Bump the spring with your hand to let the lid down. The pivots allow the spring to drop down inside the box or cupboard. One was sufficient for a vertical door over the fridge, about 2 feet wide. I used two for the lid to my grandson’s toy box. It’s a pretty safe arrangement, because it takes some effort to collapse both springs at the same time.

I had some photos, but can’t find the file for them.

-- I admit to being an adrenaline junky; fortunately, I'm very easily frightened

These folks have good quality hardware

https://whitechapel-ltd.com/

-- Rich Gig Harbor, WA

Interesting question, Recently I was faced with this exact problem. unfortunately I still haven’t solved my issue.
Personally I would prefer the door to swing 270 degrees and hang down, which becomes a problem in itself. see below.

Of course you can get a stay, personally I would like to see the doors fold 270 degrees and hang down, that is what I wanted with this project, I wanted my doors to fold down.

I then created a forum of my own here, to see if I could source hinges to allow a 270 degree swing.
Unfortunately my problem is still largely unsolved.

Open for ideas.
Kind Regards
Anthm

-- There is no hope for any of us if we keep apologizing for telling the truth.