Description
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| Product Type | Indoor Window Insulator Kit |
| Window Size | XL – Fits 6’8″ x 19.5′ (Oversized) |
| Film Size | 7′ x 19.7′ x 0.75 mil |
| Tape Included | 1/2″ x 27.7 yd |
| Coverage | 1 Window |
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Indoor Window Insulator Kit – Oversized Window with Heat-Shrink Film & Scotch® Mounting Tape
The 3M™ Indoor Window Insulator Kit 2149W-6 is designed to keep cold drafts out and warm air in, helping reduce heating costs throughout the winter season. Featuring crystal-clear heat-shrink film and Scotch® Window Film Mounting Tape, this kit provides a transparent, wrinkle-free seal that stays in place all season long. The film can increase the R-value of a single pane of glass by up to 90%, while preventing condensation and frost buildup. Quick and easy to install with just a hair dryer, the kit fits one extra-large 6’8″ x 19.5′ indoor window and is backed by a 1-year limited warranty for dependable home energy savings.
Top Features
- Energy Saving Insulation: Increases the R-value of single-pane glass by up to 90%, helping reduce winter heating costs.
- Crystal-Clear Heat-Shrink Film: Shrinks tight with a hair dryer for a transparent, wrinkle-free finish.
- Scotch® Window Film Mounting Tape: Double-sided tape creates an airtight seal between film and surface.
- Prevents Condensation & Frost: Stops cold drafts and reduces moisture buildup on glass.
- Quick & Easy Installation: Designed for one XL 6’8″ x 19.5′ window with simple DIY application.
| Category | Specification |
|---|---|
| Product Performance | |
| Type | Indoor Window Insulator Kit |
| Insulation Method | Heat-Shrink Window Film + Double-Sided Mounting Tape |
| Energy Efficiency | Increases single-pane R-value by up to 90% |
| Benefits | Reduces heating costs, condensation & frost buildup |
| Application | Indoor Use Only |
| Kit Contents | |
| Window Film Size | 7 ft x 19.7 ft x 0.75 mil |
| Mounting Tape | Scotch® Window Film Tape, 1/2 in x 27.7 yd |
| Window Coverage | 1 Window – XL 6’8″ x 19.5′ (Oversized) |
| Installation | |
| Installation Difficulty | Easy – DIY Friendly |
| Tools Required | Hair Dryer (for shrink-fit application) |
| Finish | Transparent, Wrinkle-Free |
| Identifiers and Compliance | |
| 3M Part Number | 2149W-6 |
| 3M ID | 7100075770 |
| UPC | 051131588615 |
| GTIN-13 / EAN | 00051131588615 |
| Country of Origin | Made in the USA with globally sourced materials |
| Warranty | 1-Year Limited |
This 3M™ Indoor Window Insulator Kit is backed by a 1-year limited warranty: 3M will replace the product or refund the purchase price if it is found defective in material or manufacture. Proudly made in the USA with globally sourced materials.
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In The Box
- 1 Roll of 3M™ Heat-Shrink Window Film (7 ft x 19.7 ft x 0.75 mil)
- 1 Roll of Scotch® Window Film Mounting Tape (1/2 in x 27.7 yd)
- 1 Instruction Sheet
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