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Old 11-19-14, 08:35 AM   #21
theoldwizard1
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Quote:
Originally Posted by creeky View Post
I would just point out. The pink stuff is xps insulation. According to recent testing it actually improves in R value as it gets cold. Polyiso. Which has the highest R value (6.5/"). Does not perform as well (r value decreases) in very cold temperatures. Something to watch for.
Do you have any data to support that ?

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