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Mr. Handy
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Discussion Starter · #1 ·
I am going to side my house with vinyl siding. I will be tearing the wood siding off and the plan is to use insulation board covered by housewrap. Which insulation board should I use? A foil faced product or unfaced product like blue-board? I will be using a 1/2" thick product either way.
 

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No foil; exterior should be as vapor open as possible. While at it, can you install one or two inches of insulation and a rain screen? Are you installing a WRB (water resistant barrier, like Tyvek or asphalt paper)? 1/2" is almost not worth the trouble, IMO.
 

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