Window Seals

Scott Hernandez
18 min readMay 17, 2024

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Looking for ways to keep your home warm and cozy? Don’t forget about the power of a good window seal! In this article, we’ll introduce you to the best window seals on the market, helping you seal in the warmth and keep out the cold for a more comfortable living environment. Whether you’re looking for an affordable solution or a more advanced option, we’ve got you covered.

The Top 15 Best Window Seals

  1. Frost King 17 ft Self Stick Window Seal — The Frost King BP17A Self Stick Weatherseal Brush Pile is a heavy-duty, energy-saving solution for sealing windows and doors, offering easy installation and protection against cold air and moisture.
  2. Energy-Efficient Window Insulation Shrink Kit — Efficiently insulate your windows with the Frost King Window Insulation Shrink Kit, a 4-pack of adaptable shrink film designed for indoor use and accommodating up to 4 standard-sized windows, ultimately providing energy savings and blocking drafts.
  3. Frost King Window Insulation Kit: 35% Heat Control, Easy Installation — Frost King EZ833 Window Insulation Kit — Keep your home warm and energy-efficient with easy-to-install, cost-effective window shrink film solutions.
  4. Thermwell EZ833CDSP Easy Roll 3 Pack Window Seals — Effortlessly enhance the appearance of your windows with the Thermwell EZ833CDSP EZ Roll Window Kit — convenient and effective for a seamless finish!
  5. Duck Max Strength Insulated Rolled Window Kit — Keep your windows insulated and energy-efficient with Duck Brand’s Max Strength Window Kit, designed for high-traffic and pet-friendly households.
  6. Windproof Weather Strip for 118" Doors — Stylish and effective, the ESUFEIR 118 Inch Window Weather Stripping offers soundproofing, keeps out drafts, and seals gaps for an improved door and window sealing experience.
  7. Weatherstrip Brush Seal for Windows — 18 Feet Gray — Protect your windows from dust and noise with this durable 5mm x 6mm x 18 Feet Gray Window Door Weatherstrip, designed for aluminum alloy doors and easy installation.
  8. Metro Mould Vent — WR 9600 Window Seal Solution — Experience the perfect fit and OEM quality appearance with Metro Mould Vent Window Seal for your 1949 Willys Jeepster, guaranteed for a full 30 years.
  9. MAGZO Door Weather Stripping for Soundproofing and Insulation — Experience top-notch sealing performance and durability with MAGZO’s 1/2 inch W x 1/8 inch T Window Door Seal Strip, featuring a strong adhesive backing for seamless application and proven resistance to various environments.
  10. Pella SmartFlash Seal for Windows and Doors — The Pella SmartFlash Window and Door Installation Tape — a tough and weatherproof solution, designed for extreme temperatures and UV exposure, delivering easy-to-use and leak-free sealing, compatible with multiple sealants.
  11. Edge Grip Seal for Window Channels — Universal Flexible Flocked Rubber — Enhance your vehicle’s interior with the Fairchild 0636–8 Edge Grip Seal, a universal and reliable window channel solution designed to exceed expectations in both quality and performance.
  12. Durable Vent Window Seal with 30-Year Guarantee — Experience perfect fit and OEM quality appearance with the Metro Mould Vent Window Seal, WR 4900, backed by a 30-year guarantee for optimal performance.
  13. Metro Mould Quartz Glass Seal — Get an unparalleled fit for your rear quarter windows with Metro Mould Quarter Glass Seal, featuring sunlight, ozone, and chemical resistant materials and no accelerants or cheap fillers.
  14. Vertical Seal for Vent Windows — VS 6/FT — Experience unmatched durability and protection with Metro’s state-of-the-art, chemically resistant Vertical Seal for your Vent Window. Sold by the foot for ultimate customization!
  15. Alien Seal: 1.4 in. Clear Waterproof Tape — Alien Seal 1.4 in. x 49 ft. Sealing Tape — Create airtight seals, block rain, and insulate your home instantly with this revolutionary, non-adhesive waterproof tape.

As an Amazon Affiliate, I may earn from qualifying purchases at no cost to you

Reviews

Frost King 17 ft Self Stick Window Seal

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The Frost King Brush Pile Weatherseal is a heavy-duty, easy-to-install window seal that effectively blocks cold air and moisture. Made from durable, flexible nylon material, it can withstand extreme temperatures without cracking or freezing.

This product is perfect for storm doors or windows and is designed to seal gaps or cracks, saving you both money and energy. The self-adhesive backing makes installation a breeze, and it can be used even while the door or window is actively in use.

Energy-Efficient Window Insulation Shrink Kit

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I recently tried out the Frost King Window Insulation Shrink Kit, and I have to say, it exceeded my expectations! As someone who constantly battles with cold drafts and high energy bills during the winter months, this product was a game-changer.

One of the things that stood out to me was the ease of application. The shrink film was simple to attach to my windows, thanks to the included double-faced tape. Once the tape was in place, all I had to do was use a hairdryer to shrink the film, and it sealed the windows pretty much instantly, keeping the warmth inside and cold drafts out.

Another feature I loved was how effective the Frost King Shrink Kit was at increasing the R-value of my windows. According to the product’s highlights, it can increase the R-value up to 90%, providing that extra layer of insulation and making me feel like I was living in a cozy retreat.

However, there was one downside I encountered. Removing the shrink film and tape was quite a hassle. No matter which method I tried — warm soapy water, acetone, or even Goo-Gone — it was a struggle to get the adhesive off without damaging my window frames. But, considering the overall benefits of the product, I’d say it’s something I’m willing to live with.

In conclusion, the Frost King Window Insulation Shrink Kit has proven to be an excellent investment in my quest for energy efficiency and warmth during the coldest months. Despite the minor inconvenience of removing the film, its ability to significantly increase my R-values and reduce drafts more than makes up for it. I’d definitely recommend it to anyone looking to save on their heating energy bill and stay toasty warm in the process.

Frost King Window Insulation Kit: 35% Heat Control, Easy Installation

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I’ve been using the Frost King EZ833 Window Insulation Kit to keep my drafty home warm, and it’s made a noticeable difference! The clear film is thicker than the ones in other kits, making installation a breeze. It fits well on our large picture window and provides great heat control, keeping the cold outside where it belongs.

However, there were a couple of issues I encountered. First, the mounting tape included isn’t strong enough to properly hold the thicker film in place, so I had to use some packing tape for extra adhesion. Second, the film has come loose at the top, which has been frustrating to deal with.

Despite these hiccups, overall I’m happy with the Frost King Window Insulation Kit. It does a great job at insulating our windows and keeping our home warm during the winter months.

Thermwell EZ833CDSP Easy Roll 3 Pack Window Seals

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The Frost King EZ833CDSP EZ Roll Window Kit is a versatile solution for insulating three standard windows. The easy-to-use cylinder applicator makes for a hassle-free installation process, with a built-in razor for precise cuts. With its shrink feature, the film adheres tightly to the window, retaining heat and maintaining a comfortable environment.

The handy tubing refill feature ensures you only buy what’s needed, reducing excess waste and adding to the product’s overall sustainability.

Duck Max Strength Insulated Rolled Window Kit

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Duck Brand Max Strength Window Kits are a perfect solution for those looking to combat energy loss caused by cold drafts and air leaks through windows. These kits come with puncture-resistant film that is stronger than standard window kits, ensuring they hold up in high-traffic or pet-friendly households. Crafted from clear shrink film, the kits offer good visibility and are easy to install and remove once warmer weather arrives.

Use them in conjunction with other Duck Brand weatherization products for a comfortable and energy-efficient living space all year round.

Windproof Weather Strip for 118" Doors

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Using the ESUFEIR 118 Inch Door Seal was an interesting experience. The low temperature did affect the adhesive, so I had to quickly heat it up with a hairdryer for better performance. Pasting it was a bit tricky, as tearing off the second side affected its stickiness.

However, I was quite pleased with the results — the door seal did an excellent job of keeping out bothersome noises and drafts. It also came in handy for making my doors look more neat and attractive. Keep in mind not to turn the door on or off frequently within the first 24 hours to ensure the adhesive sticks permanently.

Despite a few minor drawbacks, the ESUFEIR 118 Inch Door Seal is a reliable, sturdy, and useful product for your windows.

Weatherstrip Brush Seal for Windows — 18 Feet Gray

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I’ve been using this Window Door Weatherstrip in my very own home for a couple of months now, and let me tell you, it has made a world of a difference for us window-wise! The first thing I have to share with you is its sleek design. It comes in a nice, neutral grayish color, and it’s made of some resilient Roly-Poly, PVC material ensuring sturdiness.

But here’s the kicker — it’s amazingly flexible and adaptive, you can easily adjust its height according to the size of the gap between your door or window frame. What really stood out for me was its ability to effectively seal and block out that darn wind noise. Gone are the days where my family and I used to get our peaceful sleep disturbed by the howling wind outside. The seal also efficiently prevents dust from entering through the window.

And here’s the best part — it’s super-easy to install. The groove type is really user-friendly, you just put it in the right spot and Voila! It’s almost like a click-lock system.

However, there are also some drawbacks if there is any such thing, I’ve noticed. It’s a bit heavier than I thought it would be (34g) but it’s not something that would hold me back from keeping it. The price range can also be considered a bit on the higher side but it’s worth the value you’re getting.

In conclusion, this Window Door Weatherstrip has worked like a charm for me. It has been a game-changer and I can’t imagine living without it now. So, if you’re looking to seal your doors and windows efficiently, then this one just might be the missing piece in your home’s comfort puzzle too.

Metro Mould Vent — WR 9600 Window Seal Solution

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I recently tried the Metro Mould Vent Window Seal during a road trip with my classic 1949 Willys Jeepster. The first thing I noticed was that it didn’t fit trucks or station wagons, but fortunately, my Jeepster was the perfect fit.

The installation process was a breeze, thanks to the latest advancements in CAD and CNC milling, which ensured a perfect fit and an OEM-quality appearance. The seal also came with a guaranteed 30-year lifespan, providing peace of mind that I made a smart investment.

However, one downside I experienced was that the seal did not close tightly enough around the window frame, leading to a slight draft. Nevertheless, the vent window seal did its job in sealing the other parts of the window, making my journey more comfortable. All in all, the Metro Mould Vent Window Seal might not be ideal for every vehicle, but it certainly worked well for my classic Willys Jeepster.

MAGZO Door Weather Stripping for Soundproofing and Insulation

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Introducing the MAGZO Door Weather Stripping, a versatile solution for your window sealing needs. Boasting a total length of 50 feet spread across three rolls, this 1/2 inch wide, 1/8 inch thick foam seal tape effortlessly seals gaps and reduces sound. Employing a strong adhesive backing, it firmly stays in place without the risk of falling off. Crafted from harmless CR foam and Neoprene, this eco-friendly product is designed to be used at temperatures ranging from -50°F to 150°F.

Easy to use, simply cut the tape into the desired length using a blade. The release paper can be easily peeled off, making installation a hassle-free task. The MAGZO Door Weather Stripping is suitable for all smooth surfaces, such as wood, metal, glass, and plastic. Its multifunctional capabilities, including weatherproofing, soundproofing, dustproofing, and anti-skidding, ensure that it meets an array of sealing needs.

Pella SmartFlash Seal for Windows and Doors

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The Pella SmartFlash Window and Door Installation Tape is a versatile and reliable product designed to provide a weatherproof seal, prevent leaks, and ensure a perfect fit for your windows and doors. Despite its thinness, the tape is incredibly strong and adheres well to a variety of surfaces, providing an easy-to-install solution for any project. The tape’s UV resistance and ability to withstand extreme temperatures make it a smart choice for both indoor and outdoor installations.

While it may take some time and careful handling to apply, the Pella SmartFlash Tape’s performance and durability make it a worthwhile investment for any homeowner or professional looking for a high-quality window and door sealing solution.

Edge Grip Seal for Window Channels — Universal Flexible Flocked Rubber

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The Fairchild 0636–8 Edge Grip Seal is a versatile window channel designed to provide optimal performance and durability. Crafted with a flocked rubber finish, this product creates a tight, waterproof seal around your vehicle’s windows, keeping out the elements and ensuring a comfortable driving experience.

This premium window channel features a universal application for moveable door glasses and weatherproofing purposes. Manufactured with advanced technology, the Fairchild 0636–8 boasts a robust design that meets or even surpasses industry standards. Additionally, it’s suitable for various lifestyles, making it the perfect addition to your vehicle.

Despite the toughness of the materials used, the product is surprisingly easy to install, fitting snugly around the window edges with minimal effort. The outside edge trim width is 0.5 inches, providing a secure and weather-resistant fit. The overall dimensions are 1/2 inch in overall height, 8 ft in overall length, and 1/2 in in overall width, ensuring a seamless integration with your door glass.

The Fairchild 0636–8 Edge Grip Seal is a reliable and effective solution for weatherproofing your vehicle, suitable for a wide range of temperatures from -20 degrees F to 150 degrees F. Trust this high-quality product to provide superior performance and long-lasting protection against the elements.

Durable Vent Window Seal with 30-Year Guarantee

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After using the Metro Mould Vent Window Seal for a few months, I can confidently say it has become a staple in my daily life. The 3D contouring from the latest CAD and CNC milling technology ensures a perfect fit, which has kept the seal waterproof and secure. Moreover, the OEM quality appearance not only enhances the aesthetic look but also gives me peace of mind.

Despite being so effective, there were some minor inconveniences. Installing and removing the window seal can be a bit tricky due to the tight fit. Additionally, the seal does not come with clear instructions, making the initial setup a bit more challenging than expected. Overall, the Metro Mould Vent Window Seal has been a reliable addition to my home, and I feel it’s worth the trouble to enjoy its benefits.

Metro Mould Quartz Glass Seal

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I recently replaced the window seal in my car with a Metro Mould Quarter Glass Seal, Vs 4-D, and I must say I’m impressed with the quality of this product. Made from high-performance rubber compounds that are resistant to sunlight, ozone, and chemicals, it ensures a long-lasting and secure fit. Unlike many lower-quality products, Metro’s parts don’t use any accelerants or cheap fillers that might cause the seal to age prematurely and fail.

One of the key features I noticed was the jet black color that perfectly matches the original part, providing an OEM-quality look. The dense rubber material fits the window opening like a glove, and the exact fit guarantees a snug seal that keeps the elements out. Even though this is an American-made product, the fitment is specific to various types of application, ensuring compatibility with a wide range of vehicles.

Overall, the Metro Mould Quarter Glass Seal, Vs 4-D is a high-quality original equipment replacement part that I would highly recommend to anyone looking for a dependable and durable window seal option.

Vertical Seal for Vent Windows — VS 6/FT

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Introducing the Vertical Seal for Vent Window — the perfect solution to keep your car’s vent windows sealed securely. This ingenious product is sold by the foot, meaning you can choose the exact length you need to cover your windows seamlessly. What sets this seal apart is its exceptional build quality, utilizing advanced rubber compounds that are resistant to sunlight, ozone, and chemicals.

Metro, the manufacturer, takes pride in their commitment to quality, ensuring that none of their parts contain accelerants or cheap fillers. These substances, often used in molding processes, can hasten the aging and failure of the product. By avoiding these harmful elements, the Vertical Seal for Vent Window guarantees superior performance and durability, giving you peace of mind on the road.

So, whether you’re looking to protect your car vent windows from the elements, or simply enhance the look of your ride, this smartly designed seal is the perfect fit for you. With its premium materials and uncompromising attention to detail, the Vertical Seal for Vent Window guarantees a smooth and secure driving experience.

[Alien Seal:

1.4 in. Clear Waterproof Tape](https://www.amazon.com/s?tag=214minasmorgullexic-20&k=Window+Seal)

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I recently tried out the Alien Seal sealing tape, and let me tell you, it was a game-changer for my drafty windows and doors. The easy application and advanced-grip technology made it a breeze to create an air-tight seal. I was surprised by how quickly it insulated my home and blocked out rain, all without any adhesive residue.

One of the highlights of using Alien Seal was its versatility — it can be used both inside and out. I found it especially handy for covering gaps around my shower door and sealing windows that didn’t quite fit snugly in the frames. The material is flexible and incredibly strong, making it a reliable option for those looking to seal up their home.

While Alien Seal performed well in terms of insulation, I did notice that it wasn’t as effective at sealing gaps in certain specific shapes, like the spaces between bricks in my fireplace. In such cases, a different type of weather stripping might be more suitable.

Despite this minor drawback, I was overall impressed with the Alien Seal sealing tape. Its innovative design, ease of use, and effectiveness make it a great choice for anyone looking to improve their home’s insulation and eliminate drafts.

Buyer’s Guide

When it comes to maintaining the integrity and structure of your home, window seals play an essential role. They are designed to keep out moisture, dust, and other environmental elements, protecting both the interior and exterior of your property. In this buyer’s guide, we’ll discuss the important features to consider when selecting a window seal, as well as provide general advice on how to choose the right one for your needs.

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Understanding Window Seal Types

There are several types of window seals available on the market, each with its own unique properties and benefits. Some common types include weatherstripping, pre-applied foam, and self-adhesive seals. Researching these different options and determining which type best suits your needs will be crucial in selecting the right window seal for your home.

Materials and Durability

The materials used in the construction of a window seal play a significant role in its overall durability and effectiveness. Look for seals made from high-quality, weather-resistant materials such as vinyl, rubber, or silicone. These materials help to prevent seal failure due to UV, heat, or cold, ensuring a long-lasting solution for your windows.

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Seal Width and Length

The width and length of a window seal are essential factors to consider, as they determine the coverage and effectiveness of the seal. Choose a seal with dimensions that appropriately match your window frames, ensuring proper coverage and protection against the elements. In some cases, you may need to purchase seals in multiple widths and lengths to accommodate windows in various parts of your home.

Ease of Installation

Ideally, you should choose a window seal that is easy to install. This will save you time and effort when it comes to setting up your new seals. Look for seals with pre-attached adhesive strips or those that come with easy-to-follow instructions, making the installation process as smooth as possible.

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FAQ

What’s the purpose of window seals?

Window seals play a vital role in ensuring the efficiency and durability of your windows. They have numerous functions, including insulating your home, preventing air and water infiltration, and maintaining your windows’ structural integrity. By sealing the gaps around windows, you can minimize heat loss during colder months and keep your home cooler during warmer months, resulting in reduced energy costs.

Moreover, window seals can help prevent moisture buildup and water damage and reduce drafts, increasing your home’s overall comfort. Investing in the right window seals is a cost-effective way to enhance energy efficiency and save money on your energy bills while also increasing your home’s value and overall comfort and safety.

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What types of window seals are available?

Several window seal options are on the market, with some of the most common being weatherstripping, door sweeps, caulking, and double-pane window systems. Weatherstripping can be installed on a window frame or sash and is effective in reducing drafts and air infiltration. Door sweeps are placed at the bottom of the door, ensuring an effective seal against air and water infiltration.

Caulking is a sealant used to fill gaps and cracks around windows and doors, providing a barrier against air and water infiltration. Lastly, double-pane window systems consist of two layers of glass separated by a layer of air or gas, leading to increased insulation and reduced heat loss.

How do I choose the right window seal for my home?

When selecting window seals, consider factors like the areas of your home that require sealing, the type of windows you have, and climate and weather conditions in your area. This information will help you determine the most effective and long-lasting seal for your needs. Additionally, evaluate factors like lifespan, maintenance requirements, and cost to make an informed decision.

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When should I replace my window seals?

The frequency at which you must replace your window seals depends on several factors, including the type of seal, climate conditions, and the level of wear and tear. Inspection and replacement should occur at least once a year. Note that weatherstripping might need replacement when it becomes brittle or no longer effectively seals, while caulking should be replaced when it is cracked, peeling, or damaged. Double-pane window systems typically have a longer lifespan but may need replacement if they become foggy or damaged.

Can window seals help me save money on energy costs?

Absolutely! Window seals can help you save on energy costs by reducing heat loss during colder months and maintaining a cooler home during warmer months. Additionally, sealing your windows can minimize drafts and air infiltration, reducing the workload on your HVAC system and energy usage. Investing in window seals is a cost-effective way to improve your energy efficiency and save money on energy bills.

How do I install window seals?

To properly install window seals, follow the manufacturer’s instructions and use the appropriate tools for your specific seal type. For example, weatherstripping can be installed by pressing it into place along the window frame or sash and securing it with adhesive or nails. Caulking requires a caulking gun and a small brush, while double-pane window systems may be more complex and may require professional assistance. Ensure proper installation for optimal effectiveness and prevent any damage to your windows or surrounding surfaces.

As an Amazon Affiliate, I may earn from qualifying purchases at no cost to you

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