cutting foam with a knife, even a serrated plastic knife meant for the job, is a messy pain in the ass. This is as true for insulation board as it is for the ubiquitous expanded polystyrene kind ...

Epoxy resins have come into board-building thanks to the increasing use of super-light expanded polystyrene foam ... and slow to absorb water, PU foam is easy to cut to a fine tolerance and ...

At a surfboard-makers supply store, I bought a $228 SUP blank—a 10-foot 4-inch rectangular slab of expanded polystyrene ... smooth EPS foam. I could've taken that rough cut, rounded the edges ...

Yet, insulation made from polystyrene is actually considered ... mark the dimensions on the foam board, and cut it out with ...

“Every block of expanded polystyrene foam ... curved cuts through foam by using a 1-mm thick deformable rod rather than a limp and floppy wire for the cutting tool. The robot has seven degrees ...