Last Activity:06-22-2011 3:48 PM
Posted in thread: Was the R5 Window Program a farce? on 06-22-2011 at 02:00 PM
For those who might not know in 2008 the Feds started a R5 Window program. R5 requires either
double pane/argon/hardcoated, or more reasonable triple pane (either triple glass, or double
glass with a ...