The best Way to cut Hardboard

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The best Way to cut Hardboard

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Hardboard is created from wood fibers, adhesive, hydraulic pressure and heat. It’s used in the building industry for crafting and cabinets, and anywhere a durable, affordable surface material is needed. It has no grain and can be cut in any direction. Because it is a composite material, hardboard can sometimes mushroom along the edges of cuts. The material should be oriented so that the saw teeth are entering the wood into the finished side and saw blades should have a high number of teeth. The best way to cut straight lines is with a table saw or circular saw equipped with a carbide blade. The best way to cut curved lines is with a jigsaw and a fine-tooth blade.


Step One

Table Saw Straight Cuts -Install an alternate-top-bevel carbide-tipped saw blade on a table saw. The blade should have between 80 and 100 teeth.


Step Two

Set the fence at the desired measurement. The table saw should have support sawhorses at the side and on the end opposite the operator.


Step Three

Place the hardboard face up on the saw. The face is slick and shiny, the back has a textured appearance.


Step Four

Turn on the saw and slide the hardboard over the saw blade with both hands, using an assistant to help you support it if needed.


Step Five

Circular Saw Straight Cuts -Install an alternate bevel carbide-tipped saw blade on a circular saw. The blade should have at least 50 teeth -- the more teeth the cleaner the cut.


Step Six

Clamp the hardboard face down to two sawhorses. Clamp a 3/4-inch-thick strip of scrap plywood across the hardboard where the blade will cut, allowing for the width of the guide on the saw. The plywood will hold the hardboard edge stable, so that it is less likely to mushroom.


Step Seven

Turn on the circular saw and cut across the hardboard, holding the saw so that the guide of the saw remains flush against the plywood. Use an assistant to help support falling pieces if necessary.


Step Eight

Jigsaw -Install a fine-tooth blade on a jigsaw -- the higher the tooth count the cleaner the cut.Draw the desired pattern on the back of the hardboard.


Step Nine

Clamp the hardboard face down across two sawhorses. For large pieces, use four or more sawhorses. Place the clamps as close to the cut line as possible.


Step Ten

Turn on the saw and guide the blade along the cut line slowly, using an assistant to help support the hardboard if necessary. Move the clamps if necessary or if the hardboard begins to bounce or chatter. You may need to sand the edges lightly with 100-grit sandpaper after cutting.


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