How to Make a Smooth Magnetic Chalkboard, that Works!
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- Опубліковано 28 сер 2024
- Learn how to make a magnetic chalkboard with a smooth, natural slate looking finish. I use a sheet of 2′ x 3′, 22 gauge steel and mount it on 1/2″ MDF using contact cement and then paint it with black chalkboard paint.
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Jon, great video just a few suggestions. I've made hundreds of these over the years so I like you have tried many different finishes at techniques with varying results. You're right, the mag receptive paint is junk. The only way to hold magnets well is to use a ferrous metal substrate. You can get 2x3 galv hvac sheet from HD for about $10. You will need to look through the pile as it's so thin (23 ga I think) and it has memory once bent. It's a lot cheaper than normal sheet metal stock they sell. I apply them with spray contact cement as it goes on very even and no cleanup. I also don't sand it, sometimes these paints can have nasty chemical almost contamination issues with the galv. steel. I just wipe it down with denat alcohol and it gets good adhesion. I also spray the chalkboard paint, about 3-4 coats and it dries very slow so with the right HVLP it flattens to a perfect smooth matte finish. You can do it with something as cheap as a wagner and still get awesome results. I never use primer, used to but it's not necessary for brand new sheet metal. I like waterbourne chalkboard paint more than solvent as it seems to be the most consistent and is incredibly durable once cured. I've stress tested and the waterbourne is more durable (usually not the case!) I think latex base is just more flexible to any chalk abrasion. Anyways, great video just thought I would share my input. I've literally pulled my hair our sometimes getting these panels right and found the above to work the best.
Great Info ! Thanks
To save time & hassle, maybe try "Chalknetic Chalkboard Paper", it's available on Amazon now. But if you asking for very strong magnetic power, then metal sheet is still the only option.
Textured paint, with enough clear coats to make it smooth but still somewhat bumpy makes a PERFECT chalkboard.
I have outside furniture with metal arms. Those arms are painted in some kind of multicolored textured paint and then sealed and clear coated for protection. Randomly one day my kids drew on it and when I wiped it off it came off perfectly. No ghost left behind. It was a bold, clear line because of the subtle bumps left behind after the sealant and clear coat.
So beautiful and now that the kids want something more than chair arms to draw on I am attempting to recreate the chair arms on a sheet of metal.
I own a daycare center so this helps a ton! Thanks for the great idea.
I really like the texture left by you applying the paint with the spreader, looking forward to trying that technique.
I didn't realize you could have a chalkboard that is magnetic :) this would resolve my idea for my kitchen. Thanks Jon
Really good video!
Excellent idea with the spreader to get a smooth paint finish. Looking forward to the follow up(s). Greetings from Lancashire UK
Thanks Stephen
Thats a good idea on the metal backing.
Nice work Jon!
Thanks Fred
Very cool Jon , I am building a "toy-box/cabinet" for my son , and I think now I will incorporate this idea into the project.
Thanks Joseph
nice, i'm making a child's easel this weekend and was planning a mag side
Would never have thought to apply paint using a knife, really interesting technique
It works great for this
Solid advice on the magnetic paint as I was looking at this product the other day but there is no doubt a peice of metal is my best bet. Thinking it would be nice to have a half chalkboard and half cork board for my daughters room.
this idea is pretty cool....thanks Jon,great vid
Good tips, Jon!
I used RustOleum magnetic paint kit. $19.995 at HD. Works great and is easily refreshed on any surface. But, certainly using a steel sheet is more permanent. Nice.
Rockin' & Chalkin'........Nice tips Jon.............TY
That would be great to have in the shop. Very nice Jon thanks for sharing
Heiii John, good explanation, but depends how large the blackboard will be, if its very large better to use1/4 plywood base and i suppose for a better quality its to spray paint the chalk paint! all the best from Romania!
Some years ago I was told that the first use of chalk on a board should be with broad strokes all over the board - made by using a stick on its side. Apparently, if you do not chalk 'prime' the board in this way, the first marks made on a virgin board with the end of a stick of chalk can be very hard to remove, and remain as 'ghosts' in the background for some time. Perhaps, Jon, you can advise us if you did NOT have problems with your test marks.
Enjoyed it, Jon. I like the squeegee idea too.
Great project - thanks for the tips
the sound on this vid was not load enough compared to most of your other vids. nonetheless always a pleasure watching your vids.
Great idea! Thank you.
Great idea. I wonder if it would be possible to make this with a chalkboard on one side and a whiteboard on the other by drilling holes in the corners and making a frame of some kind so that it can be hung on the wall and flipped over.
Nice tip on the squeegee jon
Thanks Sam, .. ever hear the band, Sam I Am, really good band from the late 90s.
Jon Peters Art & Home never. I'm checking it out now though lol
Great work!
Great Video, thanks for sharing!
Another great job, do you have any tips for a beginner woodworker who doesn't have a big work space?
Nice idea .
Thanks Craig
Great work! Is it possible to apply on a white melamine mdf sheet?
foam roller works well for top coat
Hi,why didn't you spray paint it ,one thin coat metal primer,then several coats of thinned semi gloss black ,with 600 wet and dry abrasive between coats.
Can you spray the chalk paint?
If you ever make a whiteboard, post a video of that too.
Can I have one please? 😁
I used chalkboard paint to resurface a pin-pong table. It was never real smooth. Perhaps I could have used this technique.