Window Gaskets

Weatherproof Sealing Solutions for Glass, Frames & Building Systems

Window gaskets provide reliable sealing between glass panels and window frames to prevent air, water, dust, and noise ingress. Their core function is to create a weatherproof barrier while accommodating movement, vibration, and thermal expansion.

Window gaskets offer excellent flexibility, UV and ozone resistance, and long-term durability across varying temperatures and outdoor conditions. Rubber Xpert Inc. manufactures and supplies custom window gaskets in bulk. All window gaskets are engineered for precise fit, consistent sealing performance, and demanding residential, commercial, and industrial applications.

Buy Window Gaskets in Bulk from a Certified
Manufacturer, Rubber Xperts Inc

Buy window gaskets in bulk directly from a manufacturer offering certified materials, consistent quality control, and precision-cut custom profiles. Rubber Xpert Inc. supports OEM and construction projects with competitive pricing, fast turnaround, and reliable large-volume supply for weather-sealing applications.

Rubber window gaskets providing flexible weather tight sealing between glass and window frames

Rubber Window Gaskets

Rubber window gaskets are engineered for flexible, weather-tight sealing between glass and frames. They offer durability and vibration absorption where long-term exposure is expected.

  • Applications: Residential and Commercial Windows
  • Material Type / Grade: EPDM, Neoprene
  • Temperature Range: −40°C to +120°C
  • Hardness (Durometer): 60–75 Shore A
  • Thickness Range: 2 mm to 12 mm
  • Key Features: Elastic Fit, Weather Resistance, Long Service Life
EPDM window gaskets offering UV ozone and moisture resistant sealing for outdoor installations

EPDM Window Gaskets

EPDM window gaskets are designed for superior UV, ozone, and moisture resistance in outdoor installations.

  • Applications: Building Facades, Curtain Walls
  • Material Type / Grade: EPDM Rubber
  • Temperature Range: −50°C to +130°C
  • Hardness (Durometer): 60–70 Shore A
  • Thickness Range: 2 mm to 15 mm
  • Key Features: Excellent Weatherability, Low Compression Set
profiles.webp Neoprene window gaskets delivering balanced sealing vibration damping and durability

Neoprene Window Gaskets

Neoprene window gaskets provide balanced sealing and moderate oil resistance for mixed indoor–outdoor environments.

  • Applications: Industrial Windows, Equipment Housings
  • Material Type / Grade: Neoprene Rubber
  • Temperature Range: −35°C to +110°C
  • Hardness (Durometer): 60–75 Shore A
  • Thickness Range: 3 mm to 12 mm
  • Key Features: Good Flexibility, Vibration Damping
Silicone window gaskets designed for extreme temperature stability and long term elasticity

Silicone Window Gaskets

Silicone window gaskets are engineered for extreme temperature stability and long-term elasticity.

  • Applications: High-Temperature Glazing, Clean Environments
  • Material Type / Grade: Silicone Rubber
  • Temperature Range: −60°C to +200°C
  • Hardness (Durometer): 50–70 Shore A
  • Thickness Range: 2 mm to 10 mm
  • Key Features: Thermal Stability, Aging Resistance
Foam window gaskets used for gap filling noise reduction and low load sealing

Foam Window Gaskets

Foam window gaskets are designed for low-load sealing and gap filling where surface irregularities exist.

  • Applications: Retrofit Windows, Acoustic Sealing
  • Material Type / Grade: EPDM Foam, PU Foam
  • Temperature Range: −30°C to +90°C
  • Hardness (Durometer): 20–40 Shore 00
  • Thickness Range: 3 mm to 25 mm
  • Key Features: High Compressibility, Noise Reduction
Glazing gaskets engineered to secure glass panels while allowing thermal movement

Glazing Gaskets

Glazing gaskets are precision profiles engineered to secure glass panels within frames while allowing thermal movement.

  • Applications: Curtain Walls, Storefront Glazing
  • Material Type / Grade: EPDM, Silicone
  • Temperature Range: −40°C to +150°C
  • Hardness (Durometer): 60–70 Shore A
  • Thickness Range: Custom
  • Key Features: Secure Glass Retention, Weather Sealing
U channel window gaskets providing edge protection and sealing for glass panels

U-Channel Window Gaskets

U-channel window gaskets protect glass edges and provide sealing within metal or plastic frames.

  • Applications: Automotive Windows, Machinery Panels
  • Material Type / Grade: EPDM, PVC
  • Temperature Range: −30°C to +100°C
  • Hardness (Durometer): 65–75 Shore A
  • Thickness Range: Custom
  • Key Features: Edge Protection, Easy Installation
Custom window gaskets manufactured to precise profiles for OEM and architectural glazing

Custom Window Gaskets

Custom window gaskets are engineered to exact profiles and tolerances for specialized glazing systems.

  • Applications: OEM Windows, Architectural Projects
  • Material Type / Grade: Custom-Specified
  • Temperature Range: Application-Dependent
  • Hardness (Durometer): Custom
  • Thickness Range: Custom
  • Key Features: Precision Fit, Tailored Performance

Why Buy Window Gaskets from Rubber Xperts Inc?

Rubber Xperts Inc. manufactures window gaskets using certified elastomers and precision-controlled processes to ensure long-term weather sealing, dimensional accuracy, and consistent performance across residential, commercial, and industrial glazing systems.

Reasons to buy window gaskets from Rubber Xperts Inc include:

  • ISO-Certified Manufacturing: Controlled production systems for consistent quality and traceability.
  • Industry-Approved Material Grades: EPDM, silicone, neoprene, foam, and glazing-specific compounds.
  • Advanced Fabrication Capabilities: CNC cutting, extrusion, die-cutting, and profile forming.
  • Material Options for Outdoor & Glazing Environments: UV, ozone, moisture, and temperature resistance.
  • OEM & Bulk Production Support: Scalable supply for construction and window system manufacturers.
  • Nationwide Delivery & Volume-Tier Pricing: Reliable logistics with cost efficiency.
  • 10,000 sq. ft. Fully Equipped Production Facility: In-house capacity for fast turnaround and repeat orders.
Rubber Xperts INC exterior manufacturing facility in Fort Worth Texas

Custom Window Gasket Manufacturing — From
Specification Sheet to Final Delivery

What Are Window Gaskets?

Window gaskets are sealing components installed between glass panes and window frames to prevent air, water, dust, and noise infiltration. Their core function is to create a tight, flexible seal that accommodates movement from thermal expansion, vibration, and structural shifts.

Window gaskets are designed to maintain elasticity over time, resist UV exposure and weathering, and provide consistent sealing across a wide temperature range. Window gaskets can also contribute to sound insulation and energy efficiency, depending on the material.

Industries rely on window gaskets in residential and commercial buildings, automotive glazing, curtain walls, and equipment windows. These industries need long-term weatherproofing and glass protection.

Window gasket sealing glass to frame for weatherproofing noise reduction and thermal movement absorption

What Types of Window Gaskets Are Available?

The types of window gaskets available include:

Rubber Window Gaskets

Rubber window gaskets providing flexible sealing between glass and frames for air and water protection

Rubber Window Gaskets

Rubber window gaskets are flexible seals used between glass and frames to block air and water ingress. They offer good elasticity and vibration absorption. Rubber window gaskets are best for residential and commercial windows. Proper sizing is required to avoid uneven compression.

EPDM Window Gaskets

EPDM window gaskets offering UV ozone and weather resistant sealing for exterior glazing

EPDM Window Gaskets

EPDM window gaskets provide excellent resistance to UV, ozone, and weathering. They maintain flexibility outdoors for long periods. EPDM window gaskets are perfect for facades, curtain walls, and exterior glazing, but they have a limited resistance to oils and fuels.

Neoprene Window Gaskets

Neoprene window gaskets delivering balanced sealing vibration absorption and moderate chemical resistance

Neoprene Window Gaskets

Neoprene window gaskets offer balanced sealing with moderate oil and chemical resistance. They perform well in mixed indoor–outdoor environments. Neoprene window gaskets are great for industrial windows and equipment panels. They are not ideal for prolonged UV exposure without protection.

Silicone Window Gaskets

Silicone window gaskets designed for extreme temperature stability and long term elasticity

Silicone Window Gaskets

Silicone window gaskets maintain elasticity across extreme temperatures. They resist aging and thermal degradation. Silicone window gaskets are best for high-temperature glazing and clean environments. They are made from a higher material cost compared to EPDM.

Foam Window Gaskets

Foam window gaskets used for gap filling acoustic insulation and low load sealing

Foam Window Gaskets

Foam window gaskets are compressible seals used for gap filling and acoustic insulation. They are best for retrofit windows and irregular surfaces. Foam window gaskets are not suitable for high-pressure or structural glazing.

Glazing Gaskets

gaskets.webp Glazing gaskets securing glass panels while allowing thermal movement and weather sealing

Glazing Gaskets

Glazing gaskets secure glass panels within frames while allowing thermal movement. They provide weather sealing and glass protection. Glazing gaskets are best for curtain walls and storefronts. You need profile accuracy to achieve the best sealing.

U-Channel Window Gaskets

U channel window gaskets protecting glass edges and providing secure frame sealing

U-Channel Window Gaskets

U-channel window gaskets protect glass edges and assist in sealing within frames. They are best for automotive and machinery windows, but you must match glass thickness precisely.

Custom Window Gaskets

Custom window gaskets manufactured to exact profiles for OEM and architectural glazing systems

Custom Window Gaskets

Custom window gaskets are engineered to specific profiles and dimensions. They are best for OEM and architectural systems; however, you need accurate specifications for optimal performance.

What Materials Are Used to Manufacture Window Gaskets?

The materials used to manufacture window gaskets include:

  • EPDM Rubber: A weather-resistant elastomer with excellent flexibility and low compression set. It operates from −50°C to +130°C, is highly resistant to UV, ozone, and moisture, ideal for outdoor window sealing.
  • Neoprene Rubber: A versatile rubber offering good flexibility and moderate resistance to oils and chemicals, operating from −35°C to +110°C. It is suitable for industrial and mixed indoor–outdoor environments.
  • Silicone Rubber: A high-performance elastomer with outstanding thermal stability and aging resistance, operating from −60°C to +200°C. It is used where temperature extremes and long service life are required.
  • PVC: A cost-effective material with good dimensional stability and moisture resistance, operating from −20°C to +80°C. It is commonly used for light-duty window sealing.
  • Foam Rubber: A compressible material designed for gap filling and acoustic insulation, operating from −30°C to +90°C. It offers flexibility but limited pressure resistance.

Window Gasket Material Comparison Table

Material Operating Temperature Compression Set Chemical Resistance Cost Best For
EPDM Rubber −50°C to +130°C Low Good (Water, Mild Chemicals; Poor Oils) Low–Medium Outdoor Windows, Curtain Walls, Weather Sealing
Neoprene Rubber −35°C to +110°C Moderate Moderate (Mild Oils, Water) Medium Industrial Windows, Equipment Panels
Silicone Rubber −60°C to +200°C Very Low Excellent High High-Temp Glazing, Clean Environments
PVC −20°C to +80°C Moderate Limited Low Cost-Sensitive, Light-Duty Window Seals
Foam Rubber −30°C to +90°C Moderate–High Limited Low Gap Filling, Acoustic Insulation

How to Choose the Right Window Gasket for Your Needs?

To choose the right window gasket, you should match the material and profile to your glazing system, environment, and performance requirements.

Here are tips to choose the right window gasket for your needs:

  • Window and Glass Type Confirm glass thickness, frame material, and gasket profile compatibility.
  • Environmental Exposure: Select materials with strong UV, ozone, moisture, and weather resistance for outdoor use.
  • Temperature Range: Ensure the gasket remains flexible across expected hot and cold conditions.
  • Compression & Fit: Choose the correct hardness and profile to achieve uniform compression without overloading the glass.
  • Noise & Insulation Needs: Use foam or soft elastomers where sound reduction and gap filling are priorities.
  • Compliance & Standards: Verify requirements for building codes, fire ratings, or project-specific specifications.

Where Are Window Gaskets Commonly Used?

Window gaskets are used wherever glass panels require secure retention, weatherproofing, and long-term sealing performance.

Applications where window gaskets are commonly used include:

Residential Windows & Doors

They seal glass-to-frame joints in homes to prevent air leaks, water ingress, and noise while improving energy efficiency.

Commercial Buildings

Window gaskets support curtain walls, storefronts, and office glazing systems by providing durable weather sealing and accommodating building movement.

Automotive & Transportation

They secure and seal vehicle windows, reducing wind noise and protecting interiors from moisture and dust.

Glass Facades & Curtain Walls

Window gaskets allow thermal expansion of glass panels while maintaining airtight and watertight seals in large-scale glazing systems.

HVAC & Equipment Windows

They seal inspection windows and viewing panels in HVAC units and industrial equipment, ensuring pressure and moisture control.

Marine & Outdoor Structures

Window gaskets protect against harsh outdoor conditions, including UV exposure, salt spray, and continuous moisture.

Key Features & Benefits of Window Gaskets

The key features and benefits of window gaskets are:

Weatherproof Sealing

It prevents air, water, and dust ingress, improving indoor comfort and energy efficiency.

Wide Temperature Tolerance

It maintains flexibility from −60°C to +200°C, depending on material selection.

UV & Ozone Resistance

It is designed for long-term outdoor exposure without cracking or hardening.

Glass Protection

It cushions glass edges, reducing stress, vibration, and risk of breakage.

Noise Reduction

It helps dampen external noise, enhancing acoustic insulation.

Long Service Life

It delivers 10–15 years of performance in properly specified glazing systems.

How to Install Window
Gaskets

Follow these steps to install window gaskets:

1

Surface Cleaning

Clean the window frame and glass edges to remove dust, sealant residue, and moisture. A clean surface ensures proper seating and sealing.

2

Alignment

Check that the glass panel and frame are correctly aligned before installing the gasket to avoid uneven pressure points.

3

Placement

Insert or press the window gasket evenly into the frame or glazing channel, ensuring continuous contact around the perimeter.

4

Compression/Fastening

Secure the glass or frame gradually, allowing the gasket to compress uniformly without stretching or pinching.

5

Leak or Performance Testing

Inspect for gaps and test for air or water leaks using visual checks or approved testing methods.

6

Final Check

Confirm the gasket is seated properly, with no twists or gaps, and recheck alignment after installation.

Compression Guidelines

Window Gasket compression guidelines involve the following:

Recommended Compression Range

Window gaskets typically perform best at 15–30% compression, depending on material and profile design.

Avoid Over-Compression

Excessive compression can stress glass edges, reduce gasket elasticity, and shorten service life.

Material-Specific Behavior

Softer materials (foam, silicone) require lower compression, while EPDM and neoprene tolerate slightly higher loads.

Uniform Pressure

Ensure even compression around the entire perimeter to prevent leaks and localized wear.

Allow For Movement

Design compression to accommodate thermal expansion and building movement without loss of sealing.

Frequently Asked Questions

Here are some frequently asked questions about our Window Gaskets to help you find the answers you need:

A window gasket seals the gap between the glass and frame. It prevents air, water, dust, and noise from entering the structure.

EPDM rubber is best. It resists UV, ozone, moisture, and temperature changes for long-term outdoor performance.

Yes, window gaskets can accommodate glass movements. Window gaskets are designed to absorb vibration and thermal expansion, protecting the glass from stress and cracking.

Properly specified window gaskets last 10–15 years, depending on material, exposure, and installation quality.

No, window gaskets are not reusable after removal. Once removed or compressed, gaskets may lose elasticity and sealing performance and should be replaced.

Yes, window gaskets improve energy efficency. By sealing air gaps, window gaskets reduce drafts and heat loss, improving insulation and energy efficiency.

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