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Author Topic: heat box material  (Read 317 times)

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Offline farmfromkansas

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heat box material
« on: January 18, 2019, 01:10:03 PM »
  Have a cargo trailer that could be used to make a heat box inside.  Appears that blue Dow board is not suitable, as it will only tolerate  less than 160 f.  So was searching online for a heat resistant insulation board, and ran across this R Max, sold at Home Depot.  They have sheets of 2" for 31.45 each, 4x8, R factor of 13.1, only  heat temp mentioned is it will burn at 240 f.  Is there another foam board I should be looking at?

Online K-Guy

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Re: heat box material
« Reply #1 on: January 22, 2019, 09:30:55 AM »
I recommend Polyisocyanurate Insulation 
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Offline Don P

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Re: heat box material
« Reply #2 on: January 22, 2019, 07:47:05 PM »
R Max is polyiso.
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