DOUBLE UNDERSILL TRIM COLONIAL WHITE 12.5' VINYL | This dual undersill trim comes from CertainTeed's Vinyl Carpentry® product line.

It secures trimmed siding panels under windows and eaves regardless of the profile or where in the panel face the panel has been trimmed.

CertainTeed window and door trim puts out the welcome mat, creating a first impression with lasting effect.

Authentic painted wood look
Color-clear-through construction means scratches won't show
New construction and remodeling installation flexibility