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I want to build a solid magnetic chalkboard/blackboard for my toddler using some sort of metal sheet. I want to install it on the living room wall so we can use it for years to come so I want it to look good and last! The space is about 1200 x 1200. I've done some research and I've looked around in store - I'm imagining something like the attached picture. The questions I have at the moment are:
(1) I think this is the best sheet metal to use - Australian Handyman Supplies 1200 x 600 x 0.55mm Galvabond Mini Sheet - but I can't see anything bigger. Are there bigger sheets? If I used two of these, would I be stuck with a problematic gap down the middle of the board?
(2) Should I attach the metal to plywood or something before mounting on the wall? And (a) how do I size/cut the plywood (b) how do I attach the sheet of metal to the plywood?
(3) What can I use to make a frame to attach over the metal sheet? And how to attach?
(4) How will the finished product best be installed on the wall? My walls are masonry - I've got a masonry drill that I'm familiar with using. I'm not sure if cutting holes in the sheet metal will involve anything more specialised...?
Open to any advice or tips about anything that I have overlooked!! Thanks so much in advance!
