WRS 7/8" Pile Height x 1/2" Backing Fin Seal Weatherstripping for Windows – Large Gap Window Channel Weather Stripping Replacement, Low Friction Seal for Vinyl & Aluminum Windows (50 ft Roll)

This fin seal weatherstripping for windows is designed to provide maximum sealing performance in aluminum and vinyl window systems. Installed in the window channel, it helps reduce drafts, air leaks, wind, and water infiltration while maintaining smooth window operation. The integrated center fin adds an extra barrier against air and moisture, improving sealing effectiveness compared to standard pile weatherstripping. The low-friction synthetic pile allows windows to open and close easily without resistance. With a 7/8" pile height and 1/2" backing width, this weatherstripping is intended for large gap applications and wider channel systems. Proper sizing is critical to ensure correct fit and optimal sealing performance. Commonly used in single and double hung windows, as well as casement frames and meeting rails, this product provides a reliable solution for restoring window sealing, insulation, and overall efficiency. WRS supplies trusted window and door hardware used by professionals, contractors, and maintenance teams for dependable repair and replacement solutions. PRODUCT SPECIFICATIONS Product Type: Fin Seal Pile Weatherstripping Material: Synthetic Pile Fibers with Plastic Center Fin Application: Windows (Aluminum & Vinyl) Pile Height: 7/8" Backing Width: 1/2" Roll Length: 50 ft Cut to Size: Yes Installation Location: Window Channel / Sash / Frame Use: Residential & Commercial

• WEATHERSTRIPPING FOR WINDOWS – FIN SEAL PILE DESIGN – Designed for aluminum and vinyl windows, this fin seal weatherstripping installs in the window channel to seal gaps at the sash, frame, or meeting rail of single and double hung windows
• EXTRA LARGE GAP SEALING WITH 7/8" PILE HEIGHT – Tall pile height provides maximum coverage for wide gaps, helping block drafts, air leaks, wind, moisture, dust, and outside noise
• CENTER FIN FOR ENHANCED AIR AND WATER BARRIER – Built-in plastic fin improves sealing performance compared to standard pile by reducing airflow and water infiltration
• LOW FRICTION FOR SMOOTH WINDOW OPERATION – Dense synthetic pile maintains strong sealing contact while allowing windows to slide easily without sticking or increased closing force
• WIDE CHANNEL FIT: 1/2" BACKING + 50 FT ROLL – Designed for larger window channels; includes one 50 ft roll that can be cut to size for full replacements or multiple repairs