noctua_gw

Windows in thick XPS

Noctua
6 years ago

I am putting 3" XPS foam on the exterior of my house, I am also installing triple pane gas filled windows.

With use of nail flanges I am concerned the windows will sit to far out from the sill plate and house framing, they are quite heavy.

Alternately if i go with a innie window i am concerned for water infiltration.

Does anyone have any diagrams or suggestions on what is best?

Thank you for you time.

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