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2×6 Exterior Wall with Rigid Retrofit

B3V1156 | Posted in Energy Efficiency and Durability on

Hello, has anyone come across a detail in the GBA library that shows a retrofit for an increased r value on an exterior wall? Similar to a Mooney wall. 1×3 or 2×4 furring running horizontally on the interior side of the exterior wall with rigid insulation, perhaps? 

Thanks, 
Garrett 

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Related Questions

Replies

  1. Expert Member
    MALCOLM TAYLOR | | #1

    Garrett,

    https://www.greenbuildingadvisor.com/article/walls-with-interior-rigid-foam

  2. Expert Member
    Akos | | #2

    Generally it is not worth it to mix rigid and double stud or Mooney wall. Pick one wall insulation strategy and build it to get the R value you need. Don't complicate your life.

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