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Flat roof insulation

user-7549075| Posted inGeneral Questionson

Hello,

Currently, I have half flat high and half drop down low ceiling. I am trying to change the drop down to high ceiling. But the issue is the insulation. I live in California. My roof is 2*6 and half of existing high ceiling has R-19 insulations. Can I still install R-19 insulations to the new high ceiling? Otherwise, what kind of insulations can I install?

Thank you!
Jonny

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Replies

  1. Expert Member
    Dana Dorsett||#1

    Where in California?

    The local climate matters- the approach that works and makes them most sense in San Diego is pretty different from what works and makes sense in Mammoth.

  2. user-7549075||#2

    I live in San Jose.

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