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View Vintagewood1960's profile

Do magnetic sheets work ?

by Vintagewood1960
posted 11-26-2018 08:03 PM


13 replies so far

View John Smith's profile

John Smith

1828 posts in 552 days


#1 posted 11-26-2018 08:11 PM

what is the purpose of the mag sheets ? where will you put them ??

and YES – magnetic sheets trap moisture underneath them if not removed
often enough. and it sounds like your use will be short term. but, I would
avoid long term use on cast iron.
I had my tools in a greenhouse for a year and it also got dripping wet like you describe.
I covered the metal machines with a painters drop cloth then plastic on top of that.
magnetic sheet is designed so it won’t fall off of something, like advertisement on a truck door.
for table saws, jointers, drill presses, etc. why not use something that can breathe when it gets damp.
[plus, moving it around the shop, it will pick up every small piece of metal it comes in contact with].

but -magnetic sheets for moisture protection ??? please explain a little more.

.

.

-- Failure is proof that you at least tried ~ now, go do it again, and again, until you get it right --

View Fred Hargis's profile

Fred Hargis

5545 posts in 2882 days


#2 posted 11-26-2018 08:31 PM

Some time ago A1 Jim mentioned buying magnetis sign material and making his own. He went to say they worked very well, so I tried it. At the time my tools were stored in the garage waiting for their new home. The sheets worked fine for me I bought the same material Jim reco’d, off e-bay IIRC) and if I have to do the storage thing again I’d do it over.

-- Our village hasn't lost it's idiot, he was elected to congress.

View lew's profile

lew

12768 posts in 4144 days


#3 posted 11-26-2018 08:31 PM

I’d think plastic drop cloths would be cheaper and just as efficient at keeping the surfaces protected.

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View syenefarmer's profile

syenefarmer

528 posts in 3470 days


#4 posted 11-26-2018 09:26 PM

For covering your tools, I would just get some inexpensive moving blankets from HF or Northern Tool.

View Vintagewood1960's profile

Vintagewood1960

51 posts in 887 days


#5 posted 11-26-2018 09:51 PM

View Vintagewood1960's profile

Vintagewood1960

51 posts in 887 days


#6 posted 11-26-2018 09:56 PM



Some time ago A1 Jim mentioned buying magnetis sign material and making his own. He went to say they worked very well, so I tried it. At the time my tools were stored in the garage waiting for their new home. The sheets worked fine for me I bought the same material Jim reco d, off e-bay IIRC) and if I have to do the storage thing again I d do it over.

- Fred Hargis


Thanks for the reply Fred. I’m looking for a solution that I can use in an intermittent use hobbyists type shop.

View Andybb's profile

Andybb

1920 posts in 993 days


#7 posted 11-26-2018 10:12 PM



For covering your tools, I would just get some inexpensive moving blankets from HF or Northern Tool.

- syenefarmer


They are the current free item with a purchase at HF. Buy 4 items separately and get 4 blankets.

Strange but I live in the Pacific NW and my shop is what my wife calls the garage and I’ve never had an issue with rust.

-- Andy - Seattle USA

View Vintagewood1960's profile

Vintagewood1960

51 posts in 887 days


#8 posted 11-26-2018 10:46 PM

For covering your tools, I would just get some inexpensive moving blankets from HF or Northern Tool.

- syenefarmer

They are the current free item with a purchase at HF. Buy 4 items separately and get 4 blankets.

Strange but I live in the Pacific NW and my shop is what my wife calls the garage and I ve never had an issue with rust.

- Andybb


View Vintagewood1960's profile

Vintagewood1960

51 posts in 887 days


#9 posted 11-26-2018 10:46 PM

I’m not at all concerned with covering the tools. I would think that not allowing the metal to breathe by having a fabric holding the moisture against it would exasperate the problem. Interested in creating a neutral environment where no moisture is allowed to get to the metal while I initially bring the cold tools up to the surrounding air temperature which is being heated much faster than the tools. In theory this should work so I’m looking for some confirmation this works.

View bilyo's profile

bilyo

694 posts in 1492 days


#10 posted 11-27-2018 01:17 AM

Set up a small fan to run during the time that condensation is a problem. For a 2 car garage, a 10-12 inch table top fan should work great. Even better If it oscillates . I cant explain the science behind it, but I know from experience that it works to keep condensation from occurring. The moving air will also help the metal tools reach air temp more quickly.

View kingpong's profile

kingpong

12 posts in 1203 days


#11 posted 11-27-2018 01:45 AM

A while back I got a roll of the stuff off Ebay and made covers for everything cast iron. Haven’t seen a bit of rust since I’ve started using them. On my jointer part of the bed isn’t covered because of the fence, and when I took the fence off to mess with it the part of the bed that was unprotected was covered in rust, while the protected part had none.

View a1Jim's profile

a1Jim

117627 posts in 3966 days


#12 posted 11-27-2018 01:49 AM

I have all of my tools covered with magnetic sheets I found that it has helped keep rust of my metal topped equipment, I have not seen any rust forming under my magnetic sheeting. It takes some getting use to remove these sheets when using the equipment that has covers on it, but all said and done I would do it again, the benefits outweigh the slight inconvenience of having to remove and replace the sheets before and after using any particular piece of equipment.

View CaptainKlutz's profile

CaptainKlutz

1360 posts in 1883 days


#13 posted 11-27-2018 04:31 PM

Yes, magnetic covers work.
Can also use: sheet of cardboard, tempered press board, plywood, or a blanket.
All you want is something covering the flat top to stop condensate forming on top, instead forming on the cover.

If you have large amount of water that runs off top and along edges of magnetic/cardboard sheet, the water will seep under the edge slightly. Once ignored my tools in Missouri garage for 6 months, and had some light rust staining around edges where top was flush with cover edge. Making the cover slightly larger than top, prevented the problem the next winter. Make sure cast iron tops are protected (wax-etc), and the top/cover are dry before covering for any long term storage.

+1 running a small fan to increase air flow helps to prevent overnight condensation. It reduces the temp differential between tools and ambient air which slows/eliminates formation of water droplets on tools.

My biggest condensation events always happened with garage door was opened to warm moist air, and shop tools were cold. Almost instant standing water on every horizontal metal surface in garage.

Best Luck.

-- I'm an engineer not a woodworker, but I can randomly find useful tools and furniture inside a pile of lumber!

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