John,
If it is a small repair, you may want to test out a product at Lowes. Homax ceiling texture. I'd suggest trying it on a scrap piece of drywall (make sure it's at ceiling height for testing). ... read more
Hi Peggy,
It can vary widely based on what kind of window you have now (aluminum, wood, vinyl, etcl) as well as if you have brickmould casing on the exterior etc. It can be up to 5" different. Just ... read more