Back to Window Glossary
Exposed molding or framing around a window or door, on either the inside or outside, to cover the space between the window frame or jamb and the wall. (See Casing)
Definition Twin Unit (Window)
See What Installations We've Done Near you
View Our Recent Work
Get a Free Estimate for Your Home Improvements
Schedule Your Free Estimate
See More Reviews
Jason Just said...
"Great install and looks great. "