3M 7010371108 Indoor Window Insulator Kit Patio Door

Product Description

The 3M 7010371108 is an indoor window insulator kit designed for patio doors, providing a clear film barrier that reduces heat loss and blocks cold drafts during heating season. The kit covers openings up to 84 inches x 112 inches, making it sized specifically for sliding and hinged patio door applications. Installation is handled without special tools and does not require a licensed trade professional, though HVAC technicians and weatherization contractors frequently specify this product during energy audits and retrofit work. The film is secured using double-sided tape and shrinks tight with a standard hair dryer, producing a nearly invisible insulating air pocket against the glass.

This kit is intended for residential interior use on patio doors in cold-climate or mixed-climate applications where single-pane or older double-pane glass allows significant conductive and convective heat transfer. It is commonly installed at the start of the heating season as a low-cost supplemental measure to reduce condensation on glass surfaces and lower heating loads. Weatherization contractors, energy auditors, and homeowners in colder regions use this product as a seasonal solution for drafty or underperforming door glass assemblies.

Key Features

• Clear film construction maintains visibility through the patio door after installation
• Covers openings up to 84 inches x 112 inches for full patio door coverage
• Creates a dead-air insulating layer between film and glass to reduce conductive heat loss
• Reduces interior glass condensation by raising the surface temperature of the interior barrier
• Blocks cold drafts from leaking door frames and perimeter gaps
• Film shrinks taut with a hair dryer for a clean, wrinkle-free finish

Compatibility

Designed for interior installation on residential patio doors with opening dimensions at or below 84 inches x 112 inches.

Installation Notes

Installation does not require power tools or trade licensing, but weatherization contractors and HVAC service technicians handling energy retrofit work should ensure the door frame surface is clean and dry before applying the double-sided tape for proper adhesion. No gas shutoff, electrical disconnect, or refrigerant handling is required for this product. Remove the film and tape residue at the end of the heating season before reinstalling the following year. Follow all manufacturer application instructions included in the kit.

Technical Specifications

• Coverage Dimensions: 84 inches x 112 inches
• Weight: 0.52 pounds
• Unit of Measure: Each
• UPC: 00051131501256

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7010371108