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How to CUT seat cushion FOAM

Old 06-20-2010, 05:15 AM
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Default How to CUT seat cushion FOAM

What tool cuts cushion foam with the least number of ragged edges? Seems like a sawzall with a razor-type blade would work, but what do the pros use?
Old 06-20-2010, 05:17 AM
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You know the electric knives to cut meat (looks a bit like a chainsaw with 2 blades side by side moving in and out). Works perfect.
Old 06-20-2010, 05:22 AM
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Originally Posted by XV2PS View Post
You know the electric knives to cut meat (looks a bit like a chainsaw with 2 blades side by side moving in and out). Works perfect.
That's what I've always heard as well.
Old 06-20-2010, 05:24 AM
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simple...thanks!
Old 06-20-2010, 05:25 AM
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Used an electric knife many times.
Old 06-20-2010, 05:25 AM
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electric carving knife like you'd use for roast beef, turkey, etc.

relatively cheap should be able to find at most large stores
Old 06-20-2010, 05:26 AM
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damn you guys are quick!
Old 06-20-2010, 05:28 AM
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A hot knife (blade or wire) will give you a cleaner cut than an electric knife.
Old 06-20-2010, 05:37 AM
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?? Where do you find...or how do you make...one of those Hot Knives?
Old 06-20-2010, 05:40 AM
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Lightly spray with water and freeze it.

Electric knife-walla!
Old 06-20-2010, 06:07 AM
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Originally Posted by XV2PS View Post
You know the electric knives to cut meat (looks a bit like a chainsaw with 2 blades side by side moving in and out). Works perfect.
It works great. I needed to cut a lot of 3" high density foam for cushions, promising my wife that I'd clean it prior to the next Thanksgiving turkey.
Old 06-20-2010, 06:10 AM
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Hot wire cutters are expensive and only make perpendicular cuts (at least the hot blades). For that they excel but for everyday home workshop cutting not only will the electric carving knife work well ( for 3 inch foam) but it will allow you to taper/ shape or 'round over' /ease the edges if needed. Easing the edges helps the fit over seams and makes for less of a visible edge when it is wrapped with material
Old 06-20-2010, 06:11 AM
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Originally Posted by XV2PS View Post
You know the electric knives to cut meat (looks a bit like a chainsaw with 2 blades side by side moving in and out). Works perfect.
Yep!
Old 06-20-2010, 06:48 AM
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An electric carving knife is the way to go. I carved all the foam for a hot rod interior with one, you can't beat it.
Old 06-20-2010, 07:17 AM
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Spray silicone one the blades for a perfect, clean cut. That's what the pros do.

Also heard to freeze 5200 until you need it again. Things they don't tell us!!!
Old 06-20-2010, 09:39 AM
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I have also seen pro use an orbital sander to shape the foam.
Old 06-20-2010, 06:38 PM
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they ues elec knives on the tv hot rod shows.

can u really freeze 5200 and reuse w/o issue/

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