FIRE SEAL B

Intumescent Strip Brush Seal ISSB-001

Intumescent Fire Door seal is based on expansion graphite, it is used for fire door and window or any place to prevent fire, smoke & acoustic through out, Obtained both integrity and insulation rate as required. 

Rigid PVC Fire Seal Specification
Rigid PVC Fire Seal Specification
Type Rigid PVC cover fire seal
Material Graphite Mixture
Size 10*4mm, 15*4mm, 20*4mm, customized
Color Brown, White, customized
Usage Between wooden door and frame
Function Fireproof seal for door and windows
Packing 2.1 meter/pc, or by customer’s requirements

Intumescent Strip Brush Seal Product Highlights

  • Intumescent Fire Door seal is based on expansion graphite, it is used for fire door and window or any place to prevent fire, smoke & acoustic through out, Obtained both integrity and insulation rate as required. Which easy to cut and with good quality adhesive tape.Unaffected by moisture, humidity, atmospheric pollution and other common industrial and household chemical substance.
  • When the fire occurs, the fireproof expansion sealing strips automatically expand, sealing the gaps in the door gaps, blocking the air circulation between the two spaces, effectively preventing the smoke from being exposed to the fire in the early stage of the fire, and controlling the fire spread
  • Application Fire-proof door, wooden door, community security door, heating furnace, heat sink, building pipe wells etc.Material : Expandable graphite and Thermoplastic element composition

Intumescent Strip Brush Seal Product Display

Intumescent Strip Brush Seal A

Intumescent strip brush seal Key Feature

fire seal product show E
fire seal product show D

intumescent strip brush seal Application Scenarios

intumescents strip brush seal install from daoseal
install from daoseal
fire-seal-appliaction-scope-from-daoseal

OEM & Customization Options

Tailored Solutions for Every Project

At DAOSEAL, we offer flexible OEM and customization options to match your specific needs.  

  • Custom logo sample image on product or packaging
  • Packaging types (color box, film wrap, etc.)
  • Color and size swatch grid 

Let’s Customize Yours

Customer Reviews & Feedback

Trusted by Global Clients

Discover what our customers say about DAOSEAL’s Intumescent Strip Brush Seal From product performance to support experience, we’re proud to be their sealing solution partner.

We’ve tried many brands, but Daoseal’s quality and consistency stand out. Thei weatherstripng product ffer smooth operation and long-lasting performance. Perfect for commercial-grade doors.
James W Product Director
James W
Product Director
We were looking for weatherstrip that deliver both aesthetics and function for our premium hotel doors. Daoseal’s weatherstrip products are easy to install and deliver great acoustic control.
LISA M Project Manager FROM FROM Hotel Construction Project
LISA
Buyer, Hotel Interior
Design matters to us, and Daoseal products combine functionality with clean finishes. integrate beautifully and are easy for our installers to work with. Ideal for modern architectural builds.
Sophie D Modern Architecture Studio
Sophie D.
CEO, Modern Architecture

Frequently Asked Questions

We are manufacturer base in China, Real factory no middleman

It is a fireproof sealing strip made of graphite-based material that expands when exposed to high temperatures. It’s used in doors to block fire, smoke, and sound.

The strip is typically installed between the wooden door and the frame, especially in fire-rated doors or acoustic applications

Yes, it is resistant to moisture, humidity, pollution, and most household chemicals, making it suitable for various environments.

Common sizes include 10*4mm, 15*4mm, and 20*4mm. Colors can be brown, white, or customized based on your project.

Normally 7–15 days depending on order quantity and customization needs.

Yes, free samples are available. OEM and custom production are also supported.

Related Product

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