Intumescent fire strip

Types of intumescent fire strip

An intumescent fire strip is a passive fire protection product that is used to seal the gaps around doors and helps to prevent the spread of fire. These strips are placed in door frames and expand when they come into contact with heat, forming a protective barrier that seals the gaps and stops the fire from spreading. There are different types of intumescent fire strips, and they include the following:

• Fire door seals

These strips are installed in door frames to prevent the spread of fire through gaps. When there is a fire, the intumescent material will expand and seal the gap between the door and the frame. This helps to stop the smoke and fire from passing through the door frame and into other rooms. Fire door seals are important for safety because they give people more time to escape in the event of a fire.

• Intumescent glazing strips

These strips are placed around the edges of fire-resistant glass. When there is a fire, the intumescent material will expand and form a barrier around the glass. This barrier helps to stop the fire and smoke from passing through the glass. Intumescent glazing strips are important for safety because they give people more time to escape in the event of a fire. They are used in areas where it is important to have fire-resistant glass, such as in fire doors and windows.

• Intumescent smoke seals

These strips are placed around doors to help prevent smoke from passing through gaps. They are made of intumescent material that expands when it comes into contact with heat or smoke. This expansion forms a barrier that stops smoke from passing through the gap between the door and the frame. Intumescent smoke seals are important because smoke inhalation can be very dangerous. The seals help to keep smoke out of rooms and give people more time to escape in the event of a fire.

• Acoustic and intumescent combined seals

These strips are placed in gaps around doors and windows to provide both fire protection and sound insulation. They have intumescent material that expands to form a barrier during a fire. The strips also have acoustic foam that helps to block sound waves and reduce noise. Acoustic and intumescent combined seals are important in buildings where it is important to have both fire protection and sound insulation. They help to create a safe and quiet environment.

Function and feature of intumescent fire strip

Fire door smoke seal are generally used to slow down the spread of fire in a building. The primary function of intumescent fire strips is to prevent the spread of fire through gaps and openings in doors and windows. These strips consist of a mixture of chemicals that expand and swell quickly when exposed to heat from a fire. This creates a strong, heat-resistant foam barrier that blocks the passage of flames, smoke, and hot gases.

The features of intumescent fire strips include:

• Material: Intumescent fire strips are made from materials that are specially designed to prevent the spread of fire. The materials used in making fire strips include intumescent, which is a chemical that expands when it is exposed to heat. They are also made of silicone, which is resistant to heat. The intumescent strip is usually fitted into a protective casing that is made from durable materials like plastic or metal.
• Durability: The intumescent seal can withstand high temperatures without degrading or melting. The heat resistance of the intumescent fire strip helps it to maintain its integrity when exposed to fire.
• Expandability: An important characteristic of an intumescent fire strip is its expandability. When exposed to heat, the intumescent material expands rapidly. It can expand up to several times its original size, forming a tight seal that blocks the passage of flames and smoke. The expandability of the intumescent material is important for creating an effective fire barrier.

Scenarios of intumescent fire strip

• Fire Doors:

Fire doors are an essential part of a building's passive fire protection system. They are designed to prevent the spread of fire from one area to another. Intumescent fire strips are commonly used around the edges of fire doors and in the door frame. When exposed to heat, these strips expand and create a seal, preventing smoke and flames from passing through the gaps around the door. This helps contain the fire and gives occupants more time to evacuate the building safely.

• Fire-Rated Partitions:

Intumescent fire strips can be installed in walls and ceilings to create fire-rated partitions. In the event of a fire, these strips expand to fill any gaps and maintain the fire resistance of the partition. This helps limit the spread of fire within a building and gives occupants more time to escape.

• Data Centers and Server Rooms:

Intumescent fire strips are used in the doors of data centers and server rooms. These strips ensure that the doors are fire-resistant, protecting the equipment and data inside from the heat and smoke of a fire. The fire protection provided by the strips gives occupants more time to control the fire and prevent damage to the critical infrastructure.

• Electrical Enclosures:

Some electrical enclosures have doors that can be fitted with intumescent strips to prevent the spread of fire. The strips protect the electrical components inside from the heat and smoke of a fire, which can damage the components and interrupt power supplies. In addition, the strips can also be used to protect electrical equipment mounted on walls from heat and fire.

• Cold Storage Areas:

Intumescent fire strips are used in the doors of cold storage areas, such as walk-in freezers and coolers. The strips create a seal around the door, which helps maintain the fire resistance of the partition. This is essential for preventing the spread of fire, but it also helps maintain the temperature in the storage area. If a fire were to occur, the seal created by the strips would prevent the fire and smoke from entering the storage area and damaging the contents.

How to choose intumescent fire strip

Choosing the right kind of intumescent fire strip involves considering specific factors to ensure the effectiveness and longevity of the fire protection. Here are some key points to consider when looking for an intumescent fire strip.

• Door Type and Material

Intumescent fire strips are more compatible with specific types of doors. For example, some intumescent fire strips are specially designed for wooden doors, while others may work better with metal doors. Some may work on both. It's important to check the product specifications to see if the door type is listed. The door size is also important. Some intumescent fire strips are designed for wider or thicker doors, so be sure to check the door size against the product specifications.

• Environmental Resistance

Many intumescent fire strips are made to be long-lasting and durable. They can withstand different weather conditions and resist damage from heat, smoke, and flames. Check the product specifications to see if the intumescent fire strip is suitable for the location. Some may only work indoors, while others can be used inside or outside the building.

• Installation Method

It's essential to check how the intumescent fire strip is installed on the door. Some may require a professional contractor to fit them, while others can be self-installed. Check to see if extra tools are needed for installation, such as screws or adhesives. Intumescent fire strips are usually fixed along the edges of the door or the door frame. Some are surface-mounted, while others are fitted into the door or frame. It's important to consider the installation method to ensure a proper fit.

• Testing and Certification

Before purchasing, make sure the intumescent fire strip has been tested and meets the required safety standards. Look for certification, so the buyer is confident the product will perform as expected in the event of a fire.

• Compatibility

Consider the door hardware. Some intumescent fire strips may interfere with the operation of certain kinds of hardware, such as automatic door bottoms. It's important to ensure the fire strip is compatible with all existing hardware on the door.

• Installation Details

Consider the method of installation when choosing an intumescent fire strip. Some intumescent fire strips can be surface-mounted, while others can be fitted into the door or frame. Take into account the specifics of the door and frame and choose a fire strip that will fit properly.

intumescent fire strip Q & A

Q1. What is the difference between intumescent fire seals and fire strips?

A1. The difference between intumescent fire seals and fire strips is that fire strips are installed around the frame of a door, while fire seals are placed around the edges of a door frame. Fire strips are made of intumescent material that expands when exposed to high heat, forming a heat-resistant barrier between the door and the frame. Fire seals, on the other hand, are usually installed on the door's edges and prevent the spread of smoke and fire from one room to another.

Q2. How long do intumescent fire strips last?

A2. Fire strips can last for a minimum of 30 minutes up to 120 minutes, depending on the type and quality. The 30 minutes to a 120-minute range is the industry standard. However, there are some high-quality fire strips that can last for up to 240 minutes. Buyers should check the product specifications to determine how long the fire strip will last.

Q3. Can intumescent fire strips be painted over?

A3. Yes, intumescent fire strips can be painted over. However, it is important to use fire-resistant paint to paint the fire strips. Fire-resistant paint will allow the intumescent material to expand when exposed to high heat without affecting the fire protection barrier.

Q4. How difficult is it to install fire strips?

A4. Installing fire strips is not difficult. However, it requires some level of expertise. Therefore, it is important to hire a professional to install the fire strip. The professional will ensure that the fire strip is properly installed and will provide the maximum protection.

Q5. How many intumescent fire strips should be installed?

A5. A minimum of three fire strips should be installed on a door frame. They should be placed on the top, side, and bottom of the door frame. Placing the fire strips on three sides of the door frame ensures that there is a complete fire protection barrier around the door.