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Intumescent Fire Tape

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PVC Intumescent Fire Door Sealing Strip

High Performance

Support size customization

Low Maintenance Cost

With fire test certification

Product Brochure: DOWNLOAD

  • Introduction
  • Description
  • Application
  • Specifications
  • Advantage

The BIYOU Intumescent flexible Fire Tape is a high-performance intumescent material based on expandable graphite. In case of fire it can expand to multiple times its original volume and forms a heat-isolating shield. Which is one of the most versatile intumescent products on the market giving the benefits of flexibility and resistance to atmospheric degradation. No special protective measures are necessary to ensure that this product will expand on heating when required to do so. The highly flexible material will conform to accommodate tight corners where it is impossible or difficult to use other rigid intumescent strip products.


The BIYOU Intumescent flexible Fire Tape designed to seal the air spaces between doors, frames and glass to help prevent the spread of fire, smoke, toxic gases and other byproducts from penetrating into adjacent areas. Intumescent materialexpand more than 30 fold when heatedand forms a hard char when exposed to heat. This flexible intumescent tape can be quickly cut to required sizes.


The BIYOU Intumescent flexible Fire Tape developed for a wide range of applications where an intumescent material is necessary to maintain the system integrity and insulation in case of fire. These systems are for example;

1, fire doors and shutters

2, partition walls

3, glazing elements, ceilings and floors

4, fire safes and document cabinets

5, air grilles and dampers

6, pipe penetrations and cable transit systems

Densityapprox. 1.25 g/cm3 to 1.3 g/cm3
Expansion temperaturestarting from 200°C
Expansion factorup to 15-fold its original thickness
Expansion pressurestartapprox. 0.5 N/mm²

Below is some of the regular sizes, we support size customization.



1,The surface could with or without the fibro mesh

2,Could be supplied with or without an acrylic self-adhesive backing.

3,Intumescent material is high-pressure and multi-directional.

4,Intumescent material is totally unaffected by water, robust, non-flaking and difficult to tear.

5,Intumescent material is black in color

6, It have been extensively tested in the UK, Europe and worldwide, to national and international standards.

Which meets the requirements forAS 1530.4:2014, BS 476 Part 22, EN 1634-1: 2014 and UL 10C (2009)



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