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Thermofoil itself is a thin sheet of PVC (vinyl). Despite the name, it doesn’t contain metal. To make thermofoil products, a sheet of thermofoil is applied to a substrate, typically medium-density fiberboard (MDF). The covered substrate is placed in a heated vacuum chamber that causes the thermofoil to fuse to the substrate. The heat on top softens the sheet and makes it more pliable. The infrared quartz heating elements are also arranged to avoid cool spots that are common in lesser-engineered presses.

This repeated cycle of heating and vacuum allows the sheet to soften and take the form of the substrate. It’s a calculated dance— making the thermofoil too soft too fast can create a tear due to the strong vacuum pull. On the contrary, if the thermofoil is not pliant enough or if there is no sufficient vacuum where you need it, it will fail to take the exact shape of the substrate material.

We recommend just checking your oil and air filters at least once a month. Our CSA-certified reinforced filament incandescent bulbs need replacement after 3,000 hours of use. All these consumables should always be on stock at CNC Factory.