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ThermalBuck and Window Rough Opening

T_Barker | Posted in Energy Efficiency and Durability on

If you use ThermalBuck, do you need to make the window rough opening size an ADDITIONAL 1/2″ bigger on every side (in addition to the normal 3/8″ or 1/2″ allowance on every side for shimming and squaring). Or does ThermalBuck assume you’re going to have a fairly tight fit to the foam when you stick the window into it?

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Replies

  1. Expert Member
    1. billfrombirchwood | | #2

      Is there a good way to insulate a sky light similar to Thermalbuck?

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