Window U Value

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Dear All,

I am tring to model window with 0.9 U-value. When i use 0.9 U value on
model, LV-D reports shows 0.709 U value (frame with = 0 ). What is the
reason it ? Please find attached files.

Thanks for all replies,

Sefa Sahin

via Equest-users's picture
Joined: 2016-07-15
Reputation: 400