Color Black. Get t-slot mount window weatherstrip seal with free return and fast delivery. T-Slots are used in aluminum or vinyl windows, used as a frame or sash seal in casement windows, or on the meeting rail of double and single hung windows. Showing 1–16 of 46 results. Quantity 13 = 13 linear feet. T-Slot bulb seal with rigid PVC backing in option. . T-Slot Mount Window Weatherstrip Seal 5/16" Bulb Bubble for 3/16" Slot Receptacle 3 Colors & 5 Length Options (25', Grey) ; Item Weight, ‎ ounces ; Item model. Buy T-Slot Mount Window Weatherstrip Seal 5/16" Bulb Bubble for 3/16" Slot Receptacle 3 Colors & 5 Length Options (10', White): Weather Stripping. Default sorting, Sort by popularity Wide T-slot Pile no fin. T-Slot Seals. The Silverline Offset T-Slot Foam Seal Weatherstripping features a foam-filled bulb seal that effectively seals gaps and prevents air, water, and noise from. Find products of Sealing Strips with high quality at AliExpress. 18 Products. Window Hardware Extruded skin provides a unique UV resistant barrier with design features that enhance the weatherstrip's sealing performance. T-Back Slides into slot Assorted Backings Widths. T-Slot. Sold by the linear foot. $ – $ Select options Height X Slide in Window Weatherstrip used primarily in Metal and Vinyl products.