White Bulb Weatherseal is a 1/4" (6mm) diameter silicone tubeseal designed to be compressed to 5/32" (4mm). It fits a 1/8" x 1/4" (3mm x 6mm) groove cut in wood. Use it for compression sealing, such as in applied stops of doors or casement and awning windows, or in the top and bottom edges of double-hung windows. Available cut to any length up to 150 ft.
Cost $1 per ft