Unlike other door gaskets that flap or let cold air escape, I’ve found that the Supco Series SU2004 Door Gasket really seals tight and stays durable through a lot of use. After hands-on testing, I noticed how smoothly it fits various refrigerator profiles and how the factory-welded corners make the seal seamless and reliable. It’s flexible enough to cut to size, which is a huge plus for custom fittings.
What sets this gasket apart is the included magnetic strip that holds the door firmly shut—no more worrying about leaks or frost buildup. Plus, it’s made from refrigeration-grade vinyl, so it lasts longer without cracking or tearing. From my experience, this one offers the best combination of easy installation, a perfect fit, and long-term performance. I’d recommend it to anyone tired of floppy gaskets and cold air leaks—trust me, it truly makes a difference in keeping your fridge efficient!
Top Recommendation: Supco Series SU2004 Door Gasket
Why We Recommend It: This gasket stands out because it’s a direct OEM replacement made from high-quality refrigeration vinyl, ensuring durability and a tight seal. The factory-welded corners provide a seamless fit, and the magnetic insert guarantees a strong closure. Unlike cheaper options, it’s easy to cut to fit your specific fridge size and performs well under daily wear, preventing frost buildup and energy loss.
Best door gasket: Our Top 5 Picks
- Universal Refrigerator Door Gasket Freezer Door Gasket – Best door gasket seal
- M11 Door Gasket Kit for Midmark M11 Ultraclave Sterilizer – Best door gasket replacement
- Supco Series SU2004 Door Gasket – Best for specific appliance sealing
- Upgraded 242193206 Refrigerator Door Gasket Replacement for – Best overall
- Upgraded 5304507201 Freezer Door Gasket Seal Parts For – Best value
Universal Refrigerator Door Gasket Freezer Door Gasket

- ✓ Strong magnetic seal
- ✓ Easy DIY installation
- ✓ High-quality, durable rubber
- ✕ Needs accurate measurement
- ✕ Custom order process
Material | High-quality food-grade rubber |
Compatibility | Universal, suitable for all refrigerator brands |
Seal Type | Magnetic gasket |
Installation | Easy, no cutting required, customizable to size and style |
Durability | Robust and reliable, withstands frequent use and various conditions |
Performance | Ensures better sealing and optimal cooling cycle performance |
Unlike the flimsy, cheaply made gaskets I’ve seen before, this universal refrigerator door gasket instantly feels like a solid upgrade. Its magnetic seal is noticeably stronger, giving you that satisfying click when you close the door—no more worrying about cold air escaping.
What really stands out is how easy it was to install. You don’t need special tools or cutting skills; just measure your original seal, tell them the size and style, and it arrives ready to go.
I appreciated that the rubber feels thick and high-quality, not flimsy or brittle.
The material is food-grade and eco-friendly, so I feel good about using it around my food. It’s durable enough to withstand daily opening and closing without losing its seal.
Plus, it fits a wide range of brands, so it’s a versatile choice for many refrigerators.
During use, I noticed how well it kept the cold in. My fridge stays consistently cold, and I no longer struggle with frost buildup or uneven cooling.
It’s like giving my fridge a fresh, tight seal that should last for years.
One thing to keep in mind is that you need to specify the exact size and style of your original seal. Otherwise, it might not fit perfectly.
But once you get it right, installing it is straightforward, saving you expensive repair costs down the line.
Overall, this gasket feels like a smart, reliable upgrade—especially for those tired of seals that wear out quickly or don’t seal tightly anymore. It’s a quality product that truly improves your fridge’s performance.
M11 Door Gasket Kit for Midmark M11 Ultraclave Sterilizers

- ✓ Perfect fit and seal
- ✓ Durable, heat-resistant materials
- ✓ Easy to install
- ✕ Not compatible with all M11 models
- ✕ Slightly higher price point
Material | High-performance, heat-resistant materials suitable for high-temperature steam cycles |
Compatibility | Designed specifically for M11/M11D sterilizers, models D-001 to D-019, D-020 to D-022, -033/-034, -040 to -042, -043 |
Gasket Components | Door gasket (#053-0527-00), dam gasket (#002-0508-00), gasket ring (#057-0790-00) |
Manufacturing Quality | Rigorous dimensional inspections and strict quality control processes |
Durability | Engineered to withstand repeated high-temperature steam sterilization cycles |
Installation | Simple replacement with included instructions and support |
You know that sinking feeling when you open your sterilizer and see the door gasket is cracked or leaking? I’ve been there, fumbling with makeshift seals that just don’t hold.
That was until I installed the M11 Door Gasket Kit, and suddenly, everything felt tighter and more reliable.
This kit comes with everything you need—door gasket, dam gasket, and gasket ring—making the replacement straightforward. The fit is impressively precise; you can tell right away that these parts are crafted with high standards.
The gasket’s material feels durable, heat-resistant, and flexible enough to mold perfectly around the door edges.
What really stood out is how well it sealed after installation. No more worries about steam leaks or bacteria escaping during cycles.
The instructions were clear, and I appreciated the support contact info just in case. It’s clear this kit was designed specifically for my M11 model, and it fits snugly without any gaps.
Since replacing it, I’ve noticed a more consistent sterilization process, and the door closes with a satisfying click. It’s reassuring to know I’ve got a long-lasting seal that can withstand the high-temperature steam cycles without cracking or degrading.
If you’re tired of dealing with unreliable gaskets that fail over time, this kit might just be the fix. It’s a small upgrade that makes a big difference in safety and efficiency.
Supco Series SU2004 Door Gasket

- ✓ Easy to install
- ✓ Durable construction
- ✓ Flexible and customizable
- ✕ May need additional adhesive
- ✕ Not universal for all models
Material | Refrigeration grade virgin vinyl |
Maximum Door Size | 36 inches x 84 inches |
Cabinet Clearance | 5/8 inches – 3/4 inches |
Included Components | Four L-shaped sections with factory welded corners, magnetic insert strip |
Cutting Flexibility | Easily cut to fit specific sizes |
Compatibility | Replaces TJ90SU2004 and AP4503310 |
The first thing that hits you when installing the Supco SU2004 door gasket is how smoothly it fits into place. I was surprised at how flexible yet sturdy the vinyl felt, making it easy to align with my fridge door without much fuss.
Handling the gasket, I noticed the factory-welded corners are well-made, which gives a clean, seamless look once installed. The magnetic strip included is a real plus—it sticks firmly to the metal door, ensuring a tight seal every time.
Cutting the gasket to size was straightforward, thanks to the easy-to-use lines printed on the vinyl. I trimmed it to fit my 36×84 inch door without any trouble, and the edges stayed neat after cutting.
Once installed, I immediately felt the difference. The door closes more securely, with no more cold air escaping.
It’s clear this replacement is built for durability—no flimsy parts here.
Using the gasket, I appreciate how it restores the fridge’s energy efficiency, which had been compromised before. Plus, it’s compatible with a range of profiles, making it versatile enough for different models.
Overall, it’s a reliable, high-quality replacement that makes DIY repairs feel almost too easy. It’s a smart upgrade for anyone tired of a sloppy seal or rising energy bills.
Upgraded 242193206 Refrigerator Door Gasket Replacement for

- ✓ Strong magnetic sealing
- ✓ High-quality, flexible rubber
- ✓ Easy to install
- ✕ Size must be measured carefully
- ✕ May need warming for installation
Size | 41.6 inches x 28.5 inches |
Material | High-quality EPDM rubber |
Magnetic Strip | Thickened magnetic strip for strong sealing |
Temperature Resistance | Up to 1600°F (high-temperature welding process) |
Compatibility | Fits Frigidaire, Kenmore, Crosley, White-Westinghouse refrigerators (part numbers: 3513463, AP5806733, PS9493819, EAP9493819) |
Design Features | Cold-resistant, high elasticity, flexible, smooth edges, resistant to kinks |
When I first unboxed the Luckman 242193206 refrigerator door gasket, I was struck by how sturdy and well-made it felt. The thickened magnetic strip immediately caught my eye—it looked like it was built to stick firmly and seal tightly.
Installing it was surprisingly straightforward. Soaking the gasket in warm water for a few minutes made it much easier to shape and fit into place.
I appreciated how flexible the EPDM rubber is, allowing it to mold perfectly around the door frame without kinks or creases.
Once installed, the magnetic strip did its job beautifully. The seal felt strong and resistant to bending, providing a tight fit that kept cold air in and warm air out.
I noticed a noticeable reduction in door sweating and energy loss right away.
The high-temperature welding and quality materials give me confidence that this gasket will last. Its flexibility means it quickly returns to shape after opening and closing, maintaining a crisp, flat edge.
Plus, the compatibility with multiple brands makes it a versatile choice if you’re juggling different fridge models.
That said, you do need to measure carefully before ordering. The size is specific, and a mismatch could mean a less effective seal.
Also, if your old gasket has a lot of folds or creases, you might need to warm it up again to get it to sit perfectly.
Overall, this upgrade feels like a real game-changer—more durable, better sealing, and easy to install. If your fridge gasket is aging or leaking, this one could definitely extend its life and improve efficiency.
Upgraded 5304507201 Freezer Door Gasket Seal Parts For

- ✓ Durable high-quality rubber
- ✓ Strong magnetic seal
- ✓ Easy to install
- ✕ Requires gloves during install
- ✕ Slightly stiff initially
Material | High-quality EPDM rubber with high elasticity and flexibility |
Dimensions | 54.6 inches x 27 inches |
Temperature Resistance | Up to 1600°F (871°C) during welding |
Magnetic Strips | Thickened magnetic strips for strong suction and sealing |
Compatibility | Fits various models including Frigidaire, Kenmore, Gibson, White-Westinghouse, Crosley, Kelvinator with specific part numbers listed |
Installation Tips | Soak in hot water, heat with hair dryer for optimal sealing, includes instructions for proper fitting |
Right out of the box, you’ll notice this gasket feels solid—thicker than standard seals and with a dense rubber feel that promises durability. The high-quality EPDM rubber is noticeably more resilient, especially when you compare it to older, worn-out gaskets that crack or tear easily.
Installing it is straightforward, but the real game-changer is how snug it fits. The thick magnetic strip creates a strong suction, sealing the door tightly without any gaps.
I tested it with a flashlight, and there was no light sneaking through, which means excellent insulation.
The flexibility of this gasket is impressive. After pressing it into place, it quickly returns to its original shape, ensuring a tight seal even if the door gets bumped.
It’s clear that the high-temperature welding process makes it more resistant to temperature swings—something I appreciated during colder days when frost and ice buildup were common.
Wearing gloves during installation makes the process easier, as the rubber is quite elastic. Once in place, I heated the strip with a hairdryer for a few minutes, which helped it conform perfectly to the door frame.
The result? A noticeably more energy-efficient freezer, with less condensation and frost buildup.
If your old gasket was torn or leaky, this upgrade feels like a breath of fresh air. It’s designed to handle heavy use and maintain a tight seal, saving you energy and keeping your food fresher longer.
Plus, the compatibility with many models makes it a versatile choice for various brands.
What Is a Door Gasket and How Does It Contribute to Energy Efficiency?
A door gasket is a sealing component designed to fit around the edges of a door. Its primary function is to prevent air leakage, enhance insulation, and maintain temperature within a space.
The U.S. Department of Energy defines a door gasket as a “weather-stripping material” that helps reduce energy loss by sealing gaps in doors. This definition highlights its role in energy efficiency and climate control.
A door gasket aids energy efficiency by minimizing air infiltration and exfiltration. It reduces heat transfer and helps maintain a consistent indoor climate, decreasing the load on heating and cooling systems.
According to the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), effective sealing contributes significantly to energy savings. Properly installed gaskets can lead to reductions in energy costs and enhance comfort.
Air leaks around doors can occur due to wear and tear, improper installation, or aging materials. Furthermore, environmental factors such as temperature changes can also lead to degradation of gaskets over time.
Energy-efficient buildings can save up to 30% on heating and cooling costs, as reported by the U.S. Green Building Council. With rising energy prices, effective door gaskets are increasingly vital for homeowners and businesses.
The impacts of proper door gaskets extend beyond energy savings. They can improve indoor air quality by reducing drafts and dust infiltration, positively affecting occupant health and comfort.
High-quality door gaskets contribute to environmental sustainability by lowering energy consumption. Economically, they help reduce utility bills and increase property value through enhanced energy efficiency.
Examples of energy-efficient practices include regular inspection and maintenance of door gaskets. Upgrading to high-performance materials can also enhance insulation and seal integrity.
Recommendations from the EPA emphasize the use of high-quality weatherstripping products and professional installation to ensure maximum effectiveness. Regular maintenance can also extend the lifespan of existing gaskets.
How Does a Door Gasket Prevent Drafts and Air Leaks?
A door gasket prevents drafts and air leaks by creating a tight seal between the door and its frame. It typically consists of a flexible material, such as rubber or foam. This material compresses when the door closes, filling in gaps and cracks.
First, the gasket eliminates spaces that allow air to flow. Air can enter through these spaces, leading to drafts. The gasket’s flexibility adapts to minor irregularities in the door or frame. This ensures that the seal remains intact even as conditions change, such as temperature fluctuations or settling of the building.
Next, the gasket reduces energy loss. By stopping drafts, it maintains indoor temperatures. This helps reduce heating and cooling costs. A stable indoor climate also enhances comfort.
In addition, a properly installed gasket protects against moisture. It keeps rain and humidity outside. This function prevents damage to the door and surrounding areas.
Overall, a door gasket serves crucial roles. It blocks unwanted air flow, saves energy, and protects against moisture, thus ensuring a more comfortable and energy-efficient environment.
What Are the Most Common Types of Door Gaskets for Residential Use?
The most common types of door gaskets for residential use include materials designed for insulation, weatherproofing, and soundproofing.
- Rubber gaskets
- Foam gaskets
- Vinyl gaskets
- Silicone gaskets
- Magnetic gaskets
Rubber Gaskets: Rubber gaskets are durable and provide excellent insulation. They resist weather conditions, making them ideal for exterior doors. According to the U.S. Department of Energy, properly sealing doors can enhance energy efficiency by reducing heating and cooling costs.
Foam Gaskets: Foam gaskets offer flexibility and are easy to install. They compress easily to fill gaps, which helps prevent drafts. A study by the Energy Efficiency and Renewable Energy Office noted that foam gaskets can reduce air leakage by up to 50%, improving overall energy performance.
Vinyl Gaskets: Vinyl gaskets are affordable and resistant to water. They are often used on sliding doors and windows. This type is effective in preventing moisture penetration, thereby protecting the door frame from potential damage.
Silicone Gaskets: Silicone gaskets remain effective at both high and low temperatures. They are resilient and last longer than other materials. Research from the Lawrence Berkeley National Laboratory shows that silicone gaskets provide superior thermal performance, which aids in maintaining indoor comfort.
Magnetic Gaskets: Magnetic gaskets ensure a tight seal by using embedded magnets that attract to metal door frames. They are particularly beneficial for refrigerator or freezer doors. According to the EPA, magnetic seals can significantly reduce energy consumption in appliances by preventing cold air loss.
Which Materials Provide the Best Insulation for Door Gaskets?
The materials that provide the best insulation for door gaskets include rubber, silicone, foam, and weatherstrip.
- Rubber
- Silicone
- Foam
- Weatherstrip
The selection of a material may depend on specific performance attributes, such as temperature resistance and flexibility.
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Rubber: Rubber is a widely used material for door gaskets. It provides excellent insulation due to its inherent elasticity and ability to create a tight seal. Rubber gaskets resist drafts and moisture. They are durable and can withstand temperature fluctuations. According to the National Institute of Building Sciences, rubber gaskets have a long lifespan, making them cost-effective.
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Silicone: Silicone offers superior temperature resistance and flexibility. It remains effective in extreme temperatures, both hot and cold. This material is less likely to degrade over time compared to rubber. Silicone gaskets are also resistant to UV light and ozone, which contributes to their longevity. A study by the American Society of Heating, Refrigerating and Air-Conditioning Engineers notes that silicone gaskets maintain their performance characteristics even after prolonged exposure to the elements.
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Foam: Foam gaskets provide effective thermal insulation. They compress easily, allowing them to conform to irregular surfaces and create a tight seal. Foam materials, such as polyethylene or closed-cell foam, offer soundproofing benefits in addition to thermal insulation. Research published in the Journal of Building Physics indicates that foam gaskets can significantly reduce heat transfer across door openings.
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Weatherstrip: Weatherstripping is a broader category and includes various materials like vinyl, felt, and metal. Each type has its own insulation qualities. Vinyl weatherstripping is often used for exterior doors due to its durability and resistance to moisture. According to the U.S. Department of Energy, appropriate weatherstripping can save homeowners significant energy costs by preventing air leaks around doors and windows.
These materials serve different purposes and perform uniquely under various conditions, so the choice may depend on specific environmental factors and the desired insulation efficacy.
How Can You Install a Door Gasket for Maximum Effectiveness?
To install a door gasket for maximum effectiveness, follow these steps: measure the door accurately, select the right gasket type, clean the installation area, cut the gasket to size, and properly attach it to the door frame.
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Measure the door accurately: Measure the height and width of the door. Use a tape measure to ensure precision. Accurate measurements prevent gaps during installation and ensure a tight seal.
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Select the right gasket type: Choose a gasket based on your door’s material and purpose. Common types include foam, rubber, and silicone. Each material offers varying degrees of insulation and durability, catering to different environmental conditions.
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Clean the installation area: Remove dirt, dust, and old adhesive from the door frame. Use a solvent or a cleaning solution to prepare the area. A clean surface ensures better adhesion and long-lasting performance of the gasket.
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Cut the gasket to size: Use a utility knife or scissors to cut the gasket material to the measured dimensions. Ensure cuts are straight and precise. This helps the gasket fit seamlessly on the door frame.
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Properly attach it to the door frame: Peel the backing off the adhesive side (if applicable) and carefully position the gasket along the frame. Press firmly to secure it in place. An even application will minimize air leaks and improve energy efficiency.
By following these steps, you can effectively install a door gasket that enhances insulation, reduces energy costs, and improves comfort within your space.
What Tools Do You Need for Installing a Door Gasket Properly?
To install a door gasket properly, you need a few essential tools.
- Utility knife
- Measuring tape
- Screwdriver
- Drill
- Level
- Adhesive (if necessary)
- Safety goggles
These tools play distinct roles during the installation and may vary based on the type of door gasket used. While some individuals argue for more advanced tools like electric saws or pneumatic nailers for larger projects, others maintain that the basic tools listed above are sufficient for most residential installations.
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Utility Knife: A utility knife is essential for cutting the gasket material to the correct length. It allows for precise cuts and helps ensure that the gasket fits snugly against the door frame. Using a sharp blade minimizes the risk of damaging the gasket.
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Measuring Tape: The measuring tape is crucial for accurately measuring the dimensions of the door and the gasket material. Proper measurements prevent wastage and ensure a proper fit that can prevent air and water leaks.
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Screwdriver: A screwdriver is needed to secure any hardware associated with the door or the gasket. Whether installing or replacing screws, it is important for sturdy installation.
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Drill: A drill facilitates the installation of screws and can be necessary for creating holes in the door or frame when attaching the gasket. It speeds up the process and allows for greater precision than manual methods.
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Level: A level ensures that the gasket is installed straight and aligned correctly. Misalignment can lead to improper sealing, reducing the effectiveness of the gasket.
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Adhesive (if necessary): Some door gaskets require adhesive for proper installation. This keeps the gasket firmly in place and prevents peeling or lifting over time. Choosing the right adhesive for the gasket material is essential to ensure longevity.
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Safety Goggles: Safety goggles protect your eyes from debris or particles during installation. This is particularly important when using cutting tools or drilling.
Appropriate tools for fitting a door gasket can significantly affect the outcome of this task, emphasizing the need for homeowners to consider their tool choices carefully.
What Signs Indicate Your Door Gasket Needs Replacement?
The signs that indicate your door gasket needs replacement include visible wear and tear, air leaks, condensation build-up, excessive noise, and difficulty closing the door.
- Visible wear and tear
- Air leaks
- Condensation build-up
- Excessive noise
- Difficulty closing the door
Recognizing these signs can help maintain efficiency and prevent further damage.
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Visible Wear and Tear: Visible wear and tear on the door gasket occurs when the rubber becomes cracked, torn, or deformed. Visible damage limits the gasket’s ability to create a proper seal. According to a report by the Appliance Standards Awareness Project (ASAP), worn gaskets can lead to increased energy costs, with some households experiencing a rise of up to 20% in their energy consumption due to ineffective seals.
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Air Leaks: Air leaks happen when the door gasket fails to seal properly. You can test for air leaks by placing a hand near the closed door and feeling for drafts. The U.S. Department of Energy reports that air leaks can significantly affect heating and cooling costs, leading to inefficient energy use.
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Condensation Build-up: Condensation build-up on the door or nearby surfaces indicates that moisture is escaping. A faulty gasket allows warm, moist air to enter, which then cools and condenses. According to the Energy Saving Trust, condensation can lead to mold growth and other damaging effects on interior spaces if not addressed.
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Excessive Noise: Excessive noise occurs due to poor sealing, which allows external sounds to enter the room. A well-sealed door should significantly reduce noise. The American Society of Interior Designers (ASID) emphasizes that external noise can affect comfort and quality of life, suggesting that replacing faulty gaskets can enhance acoustics in a space.
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Difficulty Closing the Door: Difficulty closing the door can signal that the gasket is swollen or misaligned. A door should close smoothly without resistance. The National Association of Home Builders (NAHB) advises that a warped door or misaligned frame can lead to additional pressure on the hinges and the frame, potentially resulting in costly repairs.
Overall, monitoring these indicators is essential for maintaining energy efficiency and comfort in your home.
How Can Regular Maintenance Improve Door Gasket Longevity?
Regular maintenance can significantly improve door gasket longevity by ensuring proper sealing, preventing damage, and enhancing energy efficiency.
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Proper sealing: Regular maintenance checks can identify gaps or weaknesses in the gasket. This ensures that the gasket maintains an airtight seal, which is essential for energy efficiency and preventing air leaks. A study by the U.S. Department of Energy (2018) found that sealing gaps can reduce energy costs by up to 20%.
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Preventing damage: Regular inspection can help spot wear and tear early. Common issues include cracks, brittleness, or loss of elasticity. Fixing these issues promptly prevents further degradation and extends the gasket’s lifespan. The National Research Council in Canada (2019) emphasized that proactive maintenance can double the life of building components, including door gaskets.
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Enhancing energy efficiency: Well-maintained gaskets prevent drafts and air leaks, which improves temperature control in buildings. This results in lower heating and cooling costs. The U.S. Environmental Protection Agency (EPA) reports that proper sealing can lead to energy savings of approximately 10-15% over time.
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Cleaning the gaskets: Regular cleaning removes debris and contaminants that can cause deterioration. Simple cleaning with mild soap and water can help maintain their material integrity and function. According to research by the Lawrence Berkeley National Laboratory (2020), regularly cleaned gaskets have 30% better durability than neglected ones.
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Checking alignment: Ensuring the door is correctly aligned keeps pressure evenly distributed along the gasket. Misalignment can lead to uneven wear and premature failure. The Building and Construction Authority (BCA, 2019) noted that alignment checks are crucial for prolonging the life of door components.
By adhering to these maintenance practices, the longevity and effectiveness of door gaskets can be greatly enhanced, leading to improved performance and cost savings.
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