Frost King Shrink Window Kit 84-in by 110-in - Clear Insulation (Pack

In this review the Frost King Shrink Window Kit is evaluated as a budget-friendly option for reducing drafts on large patio doors and wide windows. The kit's single biggest selling point is its easy installation and immediate insulating effect; applying the provided plastic film and heat-shrinking it produces a noticeable reduction in cold air for many users. It is presented here for homeowners who want a low-cost, temporary weatherproofing solution that covers large openings without replacement glass or extensive remodeling.

Key Features

• Large coverage: Each sheet measures 84 in by 110 in, making it suitable for patio doors and wide sliding windows without seams in many installations.
• Clear plastic film: The transparent material preserves sight lines while blocking drafts and reducing heat loss through the glass.
• Pack of 2: Two sheets are included so a single purchase can cover both sides of a large opening or two separate windows.
• Easy to install: The kit uses mounting tape and a heat-shrink process that most DIYers can complete with basic tools and the included instructions.
• Durable for temporary use: The plastic is designed to hold up seasonally as an interim insulating layer without permanent changes to the frame.

Who It's For

The kit is best for renters and homeowners who need a temporary, low-cost way to reduce drafts on patio doors, sliding doors, and wide bedroom windows without replacing glass or investing in storm doors. It is especially useful for those who value a straightforward install and clear film that keeps the view intact.

Those who need a permanent, heavy-duty weatherproofing solution or require exceptionally strong adhesive performance should look elsewhere; customers report the mounting tape can struggle to stick on some surfaces and the film may tear if handled roughly.

Pros & Cons

Pros

• Provides visible draft reduction and improved warmth when installed correctly.
• Large single-sheet dimensions reduce the need for multiple seams on patio doors.
• Easy, heat-shrink installation that most DIYers can complete quickly.

Cons

• Mounting tape adhesion can be inconsistent on some frames, requiring extra care or aftermarket tape.
• The plastic is relatively thin and can tear if stretched or handled roughly during installation.

Specifications

Our Verdict

The Frost King Shrink Window Kit is a practical, economical pick for anyone needing temporary insulation for patio doors or large windows; it delivers real draft reduction and is quick to install. It represents good value for seasonal use, though installers should be prepared to reinforce the mounting tape and handle the film gently to avoid tearing.

Frequently Asked Questions

Will one sheet cover a standard patio door?
In most cases yes, a single 84 in by 110 in sheet will cover common patio doors and sliding openings without seams.

Is the mounting tape included strong enough?
The kit includes mounting tape, but adhesion can be inconsistent on some frames; many users recommend using additional high-quality tape if needed.

Can the film be removed without damage?
The film is intended as a temporary insulating layer and can be removed, though some adhesive residue from the tape may require cleaning.