Intumescent Fire Seals Strips & Fire Door Seal | Wedge India
Fire seals, also known as firestopping seals or fireproofing seals, are materials and systems used to prevent the spread of fire, smoke, and toxic gases through openings and joints in fire-rated walls, floors, and ceilings. These seals play a crucial role in maintaining the integrity of fire-resistance-rated assemblies in buildings.
Benefits of Intumescent Fire Seals
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Life Safety: Helps to contain fires, providing more time for occupants to evacuate safely.
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Property Protection: Limits the spread of fire and smoke, reducing potential damage.
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Compliance: Essential for meeting building codes and fire safety regulations.
​Intumescent strips
Intumescent strips are a specific type of fire seal designed to expand when exposed to heat, creating a barrier that prevents the spread of fire, smoke, and hot gases through gaps and openings. They are commonly used around the edges of doors and windows in fire-rated assemblies.
These materials are chosen for their ability to undergo a chemical reaction when exposed to high temperatures, causing them to expand and form an insulating barrier.
Function
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Expansion: When exposed to temperatures above a certain threshold (typically around 200°C or 392°F), the intumescent material within the strip begins to expand.
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Sealing: This expansion can increase the volume of the material many times over, effectively sealing gaps and preventing the passage of fire, smoke, and hot gases.
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Insulation: The expanded material acts as an insulator, slowing the transfer of heat and protecting adjacent areas.
Applications
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Fire Doors: Installed around the edges of fire doors to maintain the door’s fire resistance rating.
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Windows: Used around fire-rated windows to seal gaps and prevent fire spread.
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Wall and Floor Penetrations: Applied around pipes, cables, and ducts that pass through fire-rated walls and floors.
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Expansion Joints: Used in construction joints to maintain the fire resistance of the building structure.
Types of Intumescent Strips
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Surface-Mounted Strips: These are applied directly to the surface of doors or frames. They are often self-adhesive for easy installation.
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Embedded Strips: Installed within grooves cut into the door or frame, providing a more concealed appearance.
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Combination Strips: These may include additional features such as smoke seals or acoustic seals for added functionality.
INTUR: Rigid Intumescent Fire Seal Strips
Wedge INTUR are Rigid types of Intumescent fire seals and most suitable for sever application where regular door maintenance is not possible. The PVC covering to the graphite intumescent seal protects from wearing out due to any mechanical damage to the seals. At Wedge we produce and supply different versions including fire only, fire & smoke, fire & acoustic, and fire & weather proof seals of Rigid Fire Seals depending on the end user requirements.
Features and Benefits
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Durability: Wedge rigid PVC encapsulation protects the intumescent material from physical damage, moisture, and other environmental factors, ensuring a longer lifespan.
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Aesthetics: Wedge PVC casing can be produced in various colors and finishes to match the decor of the building, making it less conspicuous compared to some other fire seal types.
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Ease of Installation: These strips are typically easy to install with standard tools, and the rigid nature of the PVC casing helps to ensure a neat and secure fit.
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Consistent Performance: The encapsulation helps maintain the integrity of the intumescent material, ensuring it performs consistently when exposed to fire.
Types of Rigid Intumescent Fire Seals
Fire Protection Only: Applied when no threat of Smoke
Fire & Smoke Protection with Brush: Protects against damages from Fire & Smoke.
Fire & Smoke Protection single / twin blade: Protects against damages from Fire & Smoke
Fire, Smoke, Acoustics, Weather Protection: Protection from fire, smoke, noise, heat, and water​
INTUF: Flexible Intumescent Fire Seal Strips
Wedge INTUF are Flexible intumescent fire seals type of passive fire protection product, designed to expand when exposed to heat and seal gaps to prevent the spread of fire, smoke, and hot gases. Unlike rigid PVC encapsulated seals, flexible intumescent fire seals are made from materials that allow them to be more versatile in application and easier to install in irregular or complex shapes.
Features and Benefits
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Flexibility: Can be easily bent and shaped to fit around curves, corners, and irregular surfaces, making them suitable for a wide range of applications.
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Ease of Installation: Typically easier to install compared to rigid seals due to their flexibility.
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Effective Performance: Expands significantly when exposed to heat, creating a robust barrier against fire, smoke, and hot gases.
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Durability: Made from durable materials that maintain their integrity over time, even under varying environmental conditions.
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Zero halogen intumescent fire seals, Rubber free and do not generate any toxic smoke.
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Generates high expansion when exposed to fire or heat, Produces an excellent char structure to provide high integrity. Fire rating from 30 to 240 minutes.
