Weathermate Sill Pan
Dow. The Weathermate Sill Pan is a translucent, molded polymer sill pan for flashing the base of windows. The two-piece construction can be adjusted to fit most windowsill widths, providing a continuous shield against water infiltration, even in sill corners, according to the manufacturer. The assembly includes a right-corner piece and a left-corner piece. 800-441-4369. www.dow.com.