M-d Building Products 04283 Window Insulation Film Kit

Product Description

The M-D Building Products 04283 is an indoor window insulation film kit designed to reduce cold drafts and heat loss through patio doors and picture windows. The kit uses a crystal-clear plastic film applied with double-faced tape and shrunk tight with a standard hair dryer to create an insulating air barrier. This dead-air space between the film and the glass can improve the insulating R-value of the existing window assembly by up to 90 percent. The kit covers openings up to 84 inches wide by 110 inches tall, making it suitable for large patio door frames and oversized picture windows. Installation requires no special tools and is typically completed by homeowners, property managers, or weatherization technicians.

This kit is intended for indoor installation on single-pane or drafty double-pane patio doors and picture windows in residential settings. It is a seasonal weatherization solution commonly installed ahead of heating season to cut energy loss and improve interior comfort. The film is crystal clear after heat-shrinking, preserving visible light transmission through the opening. The large coverage dimensions make it a practical fit for sliding glass door frames and floor-to-ceiling picture window applications where standard small-window kits fall short.

Key Features

• Crystal-clear film maintains visibility after installation
• Covers openings up to 84 inches x 110 inches for patio doors and picture windows
• Can increase window R-value by up to 90 percent by trapping an insulating air layer
• Installs with double-faced tape and a standard hair dryer — no special tools required
• Reduces cold drafts and heat loss through window glazing
• Indoor application for residential weatherization use

Compatibility

Designed as an OEM-style drop-in replacement for standard indoor window insulation film kits used on residential patio doors and large picture windows up to 84 inches x 110 inches.

Installation Notes

Installation is performed from the interior side of the window frame. Clean the frame surface thoroughly before applying the double-faced tape to ensure a firm bond. Apply the film over the tape, pull it taut, and use a hair dryer on low-to-medium heat to shrink the film smooth. Avoid over-heating any single area, which can cause the film to tear or wrinkle permanently.

Technical Specifications

• Coverage Width: 84 inches
• Coverage Height: 110 inches
• R-Value Improvement: Up to 90 percent increase
• Application Type: Indoor
• Weight: 0.512 pounds
• UPC: 00043374042832

Standard Information

• Brand: M-D Building Products
• Manufacturer Part Number: 04283