T-Slot Seals. 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. Find products of Sealing Strips with high quality at AliExpress. 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. 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. 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. Color Black. 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. . $ – $ Select options Height X Slide in Window Weatherstrip used primarily in Metal and Vinyl products. Showing 1–16 of 46 results. Quantity 13 = 13 linear feet. T-Slot bulb seal with rigid PVC backing in option. 18 Products. Sold by the linear foot. Default sorting, Sort by popularity Wide T-slot Pile no fin. Get t-slot mount window weatherstrip seal with free return and fast delivery. T-Slot.