Polaris Undersill Trim for Horizontal Siding Only

Polaris Vinyl Undersill Trim is designed to be used for sealing the edge of trimmed siding panels and secures it to the wall. Undersill trim can be installed under a window and act as a receiver for the cut siding. Made in the U.S.A, it provides a sleek finish to any home, and features a matte finish, and a Limited Lifetime Warranty. Polaris undersill trim is available in a variety of color options, is designed only for Horizontal siding, and cannot be used with shake or shingle vinyl siding.