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Is there a way to use magnets to hang paintings? Answered

We have a small gallery and would like to find a way to use rare earth magnets to hang the art. I'm guessing a sheet of metal behind drywall and magnets with hooks on them. I just don't know if this would be strong enough to hold them in place. :-/

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Here is a good URL where you can buy them magnets.
These are nice people,  fast ship.

If your walls are still easy to access these protect plates are great
magnet grips (Pic#1) available in electric dept of your hardware store.
(Pic#2 & #3) are under a dollar magnets that I use to hold cardboard
on finished walls where a nail is under the paint.

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Hey man it is time to assign a best answer !

Anyway if you are still hanging around ?

A magnet is here used as a doorknob on glass WHICH is way more force then small wall art.

Magnets are a great way to hang paintings in a discreet way. There are a few different methods that can be used.

Our recommended method is to simply screw the correct number of
small countersunk steel discs into the wall – one in each corner works best –
and use a small neodymium disc magnet to clamp the artwork in place.

If you don't wish to screw steel discs into the wall, don’t worry, you
can also use magnets to attract to a flat head screw. Make sure the screws are
made from regular mild steel, not a non-magnetic material such as brass or
stainless steel and select magnets of the same diameter as the head of the screw.
This method is not recommended for pieces that weigh more than 200 grams.

When selecting a magnet, calculate the weight of the paper/piece of artwork, multiply the weight by 5 and then divide the weight by the number of magnets you wish to use. This will give the pull strength (in weight) required for each magnet. For example, if the piece weighs 250grams, you will need magnets that have a combined holding power of 1.25kg, if you are using four magnets, one in each corner, each magnet will need to be able to hold at least 312.5grams. It is always wise to over compensate if you are using the magnets to clamp through a piece of paper as the thickness of the paper will weaken their attraction.

In a gallery?

Why bother hiding the metalwork?

Scrounge a whole bunch of fridge and freezer doors, take off the handles and "tile" your wall with them.

You can buy very powerful neodymium magnets that have a countersunk hole drilled through them. connect them in pairs, with a short length of paracord through the holes, and the knot sitting in the countersinking.

Use four pairs of magnets, looped over the corners of the frames to hold them on the wall.

I agree no reason to hide the metal. As a matter of fact you could have a long metal bar on your walls mid-line, or perhaps in several different places. Depending on the artwork I could see magnets used in different ways. The downfall to magnets, depending on how large the work you will need larger or very strong magnets. It is possible to damage electronic equipment and credit cards with magnets. (I've done both) I'd suggest a warning at the door. Just so people do not get to close.

You posted this a few years ago, did the magnets work out?

I have a couple or rare earth magnets rated at 200 pounds force for each one. For a small gallery, I would have use some chrome plated, mild steel plates made that could be attached too the wall with screws capable of supporting the load or vice-versa. Magnets mounted to the wall and steel plates to the artwork.
One proviso to remember, whatever a magnet has in gripping strength, it will take that much force, multiplied by the number of magnets used, to pull them loose.

Depends on the size and strength of the particular magnets, thickness of the drywall.... I doubt there's an off-the-shelf answer, so I'd suggest getting a small square of drywall, some magnets, and some sheet iron or steel, and experimenting.

I presume the real goal is to let you put up hooks wherever desired and then take them down without any evidence that they were present and without having to make much effort to repair. If so, a simpler solution might be the 3M "Command" adhesive and the hooks designed for use with it. My experience with that stuff is that it does exactly what it claims to do: holds securely to the wall, then removes without leaving a mark.

Alternatively the traditional New England solution was "picture rails" near the ceiling; clips (ranging from plain to ornate) were used to attach fine wires to those, and pictures were hung from the wires; clips and wires could be moved as needed.