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There is a part of the code that says what the air gap (shim space) all around the edges should be. In Michigan I think that's one part we have increased for energy reasons. Used to be 1/8" gap, then for decades 1/4" gap, now it's up to 3/8" (check your local codes). Most people fill the gap with non-expanding spray foam. There should be instructions on the windows too.
Flashing at window head not just lapping house wrap over nailing flange at top with tape.
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1977 911S Targa 2.7L (CIS) Silver/Black
2012 Infiniti G37X Coupe (AWD) 3.7L Black on Black
1989 modified Scat II HP Hovercraft
George, Architect
Last edited by kach22i; 09-10-2005 at 06:26 AM..
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