I'm going to lay a masonite on this bench surface and am considering how to best cut it to the right dimensions.
The chipboards are cut with a rail and plunge saw and it turns out precise. I could do the same with the masonite, but I currently lack the space to handle the flimsy masonite... Therefore, I'm considering whether it works to roughly cut the masonite, fix it in place on the chipboard, and then use the router with the copy milling cutter?
The front edge of the bench will have a trim, so I want the edge on the masonite to be sharp and straight.

The chipboards are cut with a rail and plunge saw and it turns out precise. I could do the same with the masonite, but I currently lack the space to handle the flimsy masonite... Therefore, I'm considering whether it works to roughly cut the masonite, fix it in place on the chipboard, and then use the router with the copy milling cutter?
The front edge of the bench will have a trim, so I want the edge on the masonite to be sharp and straight.

Member
· Västernorrland
· 12 030 posts
If you glue it properly along the entire front edge, it should be fine to polish/mill the edge afterward. If it's just lying loose, it might start to crumble and cause trouble?
The Masonite should be a "sacrificial surface" that I can easily replace, so I thought to nail it down with t-nails - but, point taken, even if it isn't glued, it should be firmly attached for the routing to go smoothly.
It was not possible to rout directly and get a sharp edge on the masonite. It can be done if you place a thin board on top that you also rout a bit of, but it became more cumbersome than setting up a table and using the plunge saw and the guide rail again.
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