The flashing is trimmed off using a coarse jigsaw blade. The metal ski edge is used as a guide for the blade. Cutting through the epoxy, fiberglass, and top sheet generates heat quickly and so the blade must be periodically cooled with a wet washcloth or else it will lose its teeth quickly. A large band saw would be perfect for this job, but I don't have one.
The edges are trimmed first and then the ski is repositioned to trim the tip and tail.
Once trimmed, a belt sander is used to remove excess epoxy from the edges and ensure a smooth transition exists between the beveled sidewall and the vertical edge.
The pictures below show the tip as trimmed with the jigsaw and then sanded into shape.
Once this is done the contact paper is removed from the top sheet and base.
At this point the skis are ready to be ground, sharpened, waxed, and have the bindings mounted.
Below is another of my Microsoft paint patch jobs; unfortunately I didn't hold the camera straight for each photo so the ski looks crooked, but you get the point.
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