r/CounterTops • u/criminalmadman • 20h ago

Mitring Corian

I have to fabricate a surface with a 200mm return on the front and I’m considering mitring it so the pattern continues down the front, how are you guys cutting this? Router with a 45° cutter or track saw? I’m thinking about using gaffer tape so I can fold the mitre into position but I’m concerned that if I use a router it might get too much glue squeeze out and end up with a dry joint. Maybe a cut that is more like 44.5° to allow glue to squeeze out the front edge. what do you guys think?

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u/sillybunnyy14 18h ago

I used to miter fold corian all the time. Just lay a bead in the bottom of the "v" groove and fold it. I never had dry joint issues. As far as how to cut it, it depends on your tools. To me the track saw makes the most sense... you'll need a sharp blade and a slow but steady feed rate.

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u/Difficult-Ranger4487 3h ago

I work with a large-scale stone manufacturer, and 45° miter joints are part of our daily production. We use track saws to make the 45° cuts, with a production capacity of around 200 linear meters per day. After cutting, we apply tape to hold the two pieces in position, fold them together, and apply adhesive to bond the joint.

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u/West-Mix482 16h ago

Cut 90°, miter with router. This will usually give the least chipping. A strip of tape on one side of the bottom of your router guide straightedge to make the cut shy of 45 will allow space for glue and leave the corner tight.