Lee McGinley

Carpenters are accustomed to installing American-made windows in new residential construction. They simply set the window plumb and level in its rough opening, nail off the window flange, then cover the flange with weather-sealing tape. On the inside, they squirt some foam between the framing and window, install an extension jamb and interior trim—done.

Installing European tilt-turn windows can be a bit more challenging, but there are good reasons for choosing them; high R-value, superior air-sealing, extraordinary ease of operation, and reduced thermal bridging are the reasons I opted for them. I chose Lithuanian-made triple-pane PVC Intus windows for my own house, which I’ll use as a case...

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