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The 3M COMPANY 2144W-6 is an interior patio door insulator kit designed to reduce drafts and heat loss around large patio door openings. The kit covers a single door opening up to 6 feet 8 inches wide by 9 feet tall, with film dimensions of 84 inches by 112 inches. Included in the kit is a roll of double-sided tape measuring 1/2 inch wide by 13.8 yards long, which secures the film to the door frame. Once installed and heat-shrunk, the film clears to a near-invisible finish. This type of kit is typically installed by homeowners, property managers, or weatherization contractors during cold-weather prep.
This kit is suited for interior installation on standard residential patio door openings, including sliding glass doors and hinged patio doors. It is intended for single-season use and applies directly to the interior door frame surface. The 84 inch by 112 inch film accommodates openings up to 6 feet 8 inches by 9 feet, making it appropriate for most full-height residential patio configurations. No permanent modifications to the door or frame are required.
Designed as an interior-mount draft seal solution for standard residential patio door openings up to 84 inches by 112 inches in size.
Installation is typically performed without specialized trade tools — a hair dryer or heat gun on a low setting is used to shrink the film after it is taped to the frame. Ensure the door frame surface is clean and dry before applying the double-sided tape to achieve proper adhesion. No power shutoff or gas shutoff is required. Follow the manufacturer's printed instructions included in the kit for best film tension and clarity results.
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