
Background: In 2012 we decided it was time to replace our 27-year old contractor grade double paned aluminum widows. Some of the seals had failed. Some of the window were leaking (water). We planned to replace 19 windows initially and ended up replacing 21 in total. 11 of which were single-hung 3-0x6-0 that we replaced with double hung windows. Three had arched eye-brows and had to remain single…
© 2013 Created by Lawrence Berkeley National Laboratory.