The 5-pane Bow Window in my house needs to be
replaced. The offer on the table is for panes
that have an R rating of 25, but for some
reason the R rating of the entire window is 4.
What does this mean?
HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here.
All logos and trade names are the property of their respective owners.