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The PRIME-LINE PRODUCTS T8659 is a gray pile weatherstrip roll designed to replace worn or missing pile seals in aluminum storm windows and door frames. Measuring 0.25 inches wide and 0.160 inches high, this pile strip ships in an 18-foot roll, giving installers enough material to service multiple openings in a single job. The flexible pile construction compresses against the frame to block drafts, rain infiltration, and airborne dirt. It also dampens window rattle caused by loose fit between the sash and frame channel. Window glazing technicians, general contractors, and experienced DIYers install this type of weatherstrip as a routine maintenance repair.
This pile weatherstrip is suited for residential and light commercial aluminum storm windows and aluminum door frames where the original pile seal has compressed, frayed, or detached from the kerf channel. It is a direct drop-in replacement for factory-installed pile in standard aluminum frame profiles. The 18-foot roll length accommodates typical double-hung or sliding window units and standard door perimeter applications without requiring multiple rolls on most single-opening jobs.
Designed as an OEM-style replacement pile weatherstrip for standard aluminum storm windows and aluminum door frames that accept a 0.25 inch wide kerf-mount pile seal.
Installation is typically performed by window service technicians or general maintenance contractors and requires no special tools beyond a utility knife and a roller or blunt tool to seat the pile into the kerf channel. Remove the sash or panel from the frame before replacing the pile to allow full access to the channel groove. Cut the pile strip to length with a clean straight cut to prevent fraying at the ends. No fasteners or adhesives are required when installing into a properly sized kerf channel.
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