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Using rigid foam board as support to cut ply with a circular saw

Hi, does anyone use a rigid foam board as a support/base when cutting sheet material with a circular saw? and if so, which type/make do you recommend and where do you buy it from?
The Wickes and B&Q type stuff i've seen is more like a polystyrene and don't think it would be good to use!

2 Answers from MyBuilder Carpenters & Joiners

If the material is that soft use a hand saw.

1. its easy with minimum effort.
2. its accurate
3. less atoms to breath in
4. if using a mechanical saw use a reciprocating saw

2019-02-01T08:45:02+00:00

Answered 1st Feb 2019

a very efficient way of ripping 8x4 sheets, previously used celotex sheets from b&q ,can also be found in wickes
The foam sheets are on the pricey side so make sure to align your cuts (multiple parallel cuts )in order to use the most of your foam ,this will prevent tear out
foam doesn't need to be very thick if you are familiar with skill saw you can adjust thickness of the cut accordingly ,just go 2 mm deeper then the thickens of the board

Hope this helps

best of luck

2019-04-24T09:10:02+01:00

Answered 24th Apr 2019

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