Lorient Intumescent Acrylic Sealant 310ml – White

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Lorient Intumescent Sealant – Fire-Rated Acoustic Gap and Movement Joint Sealant

Lorient Intumescent Sealant is a versatile fire-rated sealing solution designed for filling gaps and movement joints where rigid seals are impractical. When exposed to fire, the sealant expands in volume to fill cavities and provide an effective hot smoke seal for up to 240 minutes. Formulated for adhesion to a wide range of construction materials, Lorient Intumescent Sealant also provides effective acoustic containment while accommodating differential movement in everyday service. Supplied in convenient 310ml cartridges, it is suitable for a variety of fire-stopping applications.

For more options, browse our full range of intumescent and fire-rated sealants in the Intumescent Mastics & Sealants category.

Key Features

  • Intumescent sealant for gaps and movement joints
  • Expands when exposed to fire to fill cavities
  • Provides a hot smoke seal
  • Up to 240 minutes fire resistance
  • Effective acoustic containment
  • Increased polymer content for improved flexibility
  • Tolerates differential movement in everyday service
  • Adheres to wood, metal, plastic, concrete, masonry and plasterboard
  • Supplied in individual 310ml cartridges

Areas of Applications

  • Sealing linear gaps between walls and floors
  • Sealing gaps between ducts and walls
  • Sealing gaps between ducts and floors
  • Sealing gaps between fire-resistant walls and structural supports
  • Perimeter sealing around fire-resistant damper grilles
  • Perimeter sealing around smoke-resistant air transfer grilles
  • Doors
  • Walls
  • Ducts
  • Floors
  • Ceilings

Fire Performance & Certification

  • Provides up to 240 minutes fire resistance
  • Expands when exposed to fire to fill cavities and gaps
  • Provides a hot smoke seal

Product Specifications

Volume: 310ml
Colour: White

Installation Guide
Lorient Intumescent Sealant Fitting Instructions
Datasheet
Lorient – Intumescent Sealant – Datasheet
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Can architraves be fitted over FAS Fire Door Intumescent Acrylic Sealant?

Yes, architraves can be installed over FAS Fire Door Intumescent Acrylic Sealant where required. However, architraves are optional, as the sealant has been successfully fire tested both with and without architraves as part of a tested fire door sealing system. This provides flexibility when sealing perimeter gaps around fire door frames whilst maintaining the tested fire performance of the installation. Always follow the relevant installation guidance, certification and fire test evidence for the specific fire door assembly.

Can architraves be fitted over FAS Fire Door Silicone Sealant?

Yes, architraves can be installed over FAS Fire Door Silicone Sealant if required. However, architraves are not essential for the fire performance of the sealant, as FAS Fire Door Silicone Sealant has been successfully tested without architraves as part of the tested fire door sealing system. Always follow the relevant installation guidance and fire test evidence to ensure compliance with the specified fire door assembly.

Can I use FAS Fire Door Intumescent Acrylic Sealant where smoke control is required?

Yes, FAS Fire Door Intumescent Acrylic Sealant can be used in applications where smoke control is required. The sealant has smoke leakage test evidence in accordance with BS EN 1634-3: 2004, demonstrating its suitability for use as part of a tested fire and smoke sealing system. In addition to providing fire resistance, the sealant helps maintain the integrity of compartmentation by restricting the passage of smoke through joints and perimeter gaps. Always refer to the relevant certification, test evidence and installation guidance to ensure suitability for your specific application.

Do I need specialist packers or fixings when installing FAS Fire Door Intumescent Acrylic Sealant?

No, FAS Fire Door Intumescent Acrylic Sealant does not require specialist packers or fixings. The sealant has been specifically tested as part of a fire door sealing system in conjunction with FAS Fire Door Foam™, plastic packers and standard screw fixings. Timber packers and MDF packers may also be used where required. Always ensure installation is carried out in accordance with the relevant fire test evidence, certification and installation guidance to maintain the fire and smoke performance of the door assembly.

Do I need specialist packers or fixings when installing FAS Fire Door Silicone Sealant?

No, FAS Fire Door Silicone Sealant does not require specialist packers or fixings. The sealant has been tested as part of a fire door sealing system using FAS Fire Door Foam™, plastic packers and standard screw fixings. Timber packers may also be used where required. Always ensure installation is carried out in accordance with the relevant fire test evidence, certification and installation guidance for the specific fire door assembly.

Does FAS Fire Door Intumescent Acrylic Sealant have a shelf life?

Yes, FAS Fire Door Intumescent Acrylic Sealant has a shelf life of up to 18 months when stored unopened in temperate conditions between 5°C and 30°C. To help maintain product performance and longevity, the sealant should be stored in a cool, dry environment and protected from extreme temperatures. Always check the product packaging and technical documentation for storage recommendations before use.

Does FAS Fire Door Intumescent Acrylic Sealant have an acoustic rating?

Yes, FAS Fire Door Intumescent Acrylic Sealant offers acoustic performance with sound reduction capabilities of up to 55dB Rw. In addition to providing a fire-resistant seal around joints, gaps and fire door installations, the sealant can help reduce the transmission of airborne sound through openings in walls and building elements. For full acoustic test data, installation guidance and certified performance information, please refer to the product datasheet.

How much will a 310ml cartridge of FAS Fire Door Silicone Sealant cover?

A 310ml cartridge of FAS Fire Door Silicone Sealant will provide approximately 8.5 linear metres of sealant when applied as a 6mm x 6mm bead. For larger joints, a single cartridge will seal approximately 2.5 linear metres with a joint size of 15mm x 8mm. Actual coverage may vary depending on the joint dimensions, substrate condition and application method. For detailed installation guidance and sealant usage calculations, please refer to the product datasheet.

How much coverage will a 310ml cartridge or 600ml foil sausage provide?

The coverage of fire-rated sealants will vary depending on the joint size and application method. As a guide:

  • A 310ml cartridge will produce approximately 1 linear metre of sealant when applied as a 20mm x 15mm bead.
  • A 600ml foil sausage will produce approximately 1.8 linear metres of sealant when applied as a 20mm x 15mm bead.

Actual coverage may vary depending on the joint dimensions, substrate condition and installation technique. For detailed application guidance and sealant consumption information, please refer to the relevant product datasheet.

What fire rating does FAS Fire Door Intumescent Acrylic Sealant offer?

FAS Fire Door Intumescent Acrylic Sealant has been fire tested to provide 30, 60, 90 and up to 120 minutes of fire resistance in timber fire doors and timber glazed screens. The sealant has been tested in accordance with BS 476: Part 20 & 22: 1987 and BS EN 1634-1, demonstrating its suitability for use as part of a tested fire door sealing and fire stopping system. The achievable fire rating will depend on the application, gap size and installation configuration. Always refer to the relevant certification, fire test evidence and installation guidance for the specific fire door assembly.

What fire rating does FAS Fire Door Silicone Sealant offer?

FAS Fire Door Silicone Sealant has been fire tested to provide up to 60 minutes of fire resistance when used in timber fire doors and timber glazed screens. The sealant has been tested in accordance with BS 476: Part 22: 1987 and BS EN 1634-1, demonstrating its suitability for use as part of a tested fire door sealing system. Always refer to the relevant certification, fire test evidence and installation guidance to ensure the product is suitable for your specific fire door or glazing application.

What is the minimum and maximum gap size that FAS Fire Door Intumescent Acrylic Sealant can be used in?

FAS Fire Door Intumescent Acrylic Sealant can be used to seal gaps up to 5mm wide without a backing material. For larger gaps, the sealant has been tested for use in gaps up to 25mm wide when installed in conjunction with FAS Fire Door Foam™ or stone mineral fibre wool as part of a tested fire door sealing system. Always refer to the relevant fire test evidence, certification and installation guidance to ensure the correct sealing method is used for your specific fire door application.

What is the minimum and maximum gap size that FAS Fire Door Silicone Sealant can be used in?

FAS Fire Door Silicone Sealant can be used to seal gaps up to 30mm wide when installed as part of a tested FD60 fire door sealing system in conjunction with FAS Fire Door Foam™ or stone mineral fibre wool. The suitability of the sealant for other gap sizes, fire ratings and installation configurations will depend on the specific application and tested system. For guidance on alternative applications, please contact our technical team for advice and supporting test evidence.

Where can I find technical and health & safety information?

All relevant information can be downloaded on this website

Why use FAS Fire Door Foam™ instead of stone mineral fibre wool as backing for FAS Fire Door Intumescent Acrylic Sealant?

FAS Fire Door Foam™ is a fire-rated expanding foam designed to simplify fire door installation and fire-stopping applications. Compared to traditional stone mineral fibre wool, it offers a quicker and more cost-effective installation method, helping to reduce labour time and overall project costs. When used with FAS Fire Door Intumescent Acrylic Sealant, it forms part of a tested fire door sealing system for perimeter gap sealing around fire door frames.

Lorient Intumescent Sealant – Fire-Rated Acoustic Gap and Movement Joint Sealant

Lorient Intumescent Sealant is a versatile fire-rated sealing solution designed for filling gaps and movement joints where rigid seals are impractical. When exposed to fire, the sealant expands in volume to fill cavities and provide an effective hot smoke seal for up to 240 minutes. Formulated for adhesion to a wide range of construction materials, Lorient Intumescent Sealant also provides effective acoustic containment while accommodating differential movement in everyday service. Supplied in convenient 310ml cartridges, it is suitable for a variety of fire-stopping applications.

For more options, browse our full range of intumescent and fire-rated sealants in the Intumescent Mastics & Sealants category.

Key Features

  • Intumescent sealant for gaps and movement joints
  • Expands when exposed to fire to fill cavities
  • Provides a hot smoke seal
  • Up to 240 minutes fire resistance
  • Effective acoustic containment
  • Increased polymer content for improved flexibility
  • Tolerates differential movement in everyday service
  • Adheres to wood, metal, plastic, concrete, masonry and plasterboard
  • Supplied in individual 310ml cartridges

Areas of Applications

  • Sealing linear gaps between walls and floors
  • Sealing gaps between ducts and walls
  • Sealing gaps between ducts and floors
  • Sealing gaps between fire-resistant walls and structural supports
  • Perimeter sealing around fire-resistant damper grilles
  • Perimeter sealing around smoke-resistant air transfer grilles
  • Doors
  • Walls
  • Ducts
  • Floors
  • Ceilings

Fire Performance & Certification

  • Provides up to 240 minutes fire resistance
  • Expands when exposed to fire to fill cavities and gaps
  • Provides a hot smoke seal

Product Specifications

Volume: 310ml
Colour: White

Sorry, there are no items available

Can architraves be fitted over FAS Fire Door Intumescent Acrylic Sealant?

Yes, architraves can be installed over FAS Fire Door Intumescent Acrylic Sealant where required. However, architraves are optional, as the sealant has been successfully fire tested both with and without architraves as part of a tested fire door sealing system. This provides flexibility when sealing perimeter gaps around fire door frames whilst maintaining the tested fire performance of the installation. Always follow the relevant installation guidance, certification and fire test evidence for the specific fire door assembly.

Can architraves be fitted over FAS Fire Door Silicone Sealant?

Yes, architraves can be installed over FAS Fire Door Silicone Sealant if required. However, architraves are not essential for the fire performance of the sealant, as FAS Fire Door Silicone Sealant has been successfully tested without architraves as part of the tested fire door sealing system. Always follow the relevant installation guidance and fire test evidence to ensure compliance with the specified fire door assembly.

Can I use FAS Fire Door Intumescent Acrylic Sealant where smoke control is required?

Yes, FAS Fire Door Intumescent Acrylic Sealant can be used in applications where smoke control is required. The sealant has smoke leakage test evidence in accordance with BS EN 1634-3: 2004, demonstrating its suitability for use as part of a tested fire and smoke sealing system. In addition to providing fire resistance, the sealant helps maintain the integrity of compartmentation by restricting the passage of smoke through joints and perimeter gaps. Always refer to the relevant certification, test evidence and installation guidance to ensure suitability for your specific application.

Do I need specialist packers or fixings when installing FAS Fire Door Intumescent Acrylic Sealant?

No, FAS Fire Door Intumescent Acrylic Sealant does not require specialist packers or fixings. The sealant has been specifically tested as part of a fire door sealing system in conjunction with FAS Fire Door Foam™, plastic packers and standard screw fixings. Timber packers and MDF packers may also be used where required. Always ensure installation is carried out in accordance with the relevant fire test evidence, certification and installation guidance to maintain the fire and smoke performance of the door assembly.

Do I need specialist packers or fixings when installing FAS Fire Door Silicone Sealant?

No, FAS Fire Door Silicone Sealant does not require specialist packers or fixings. The sealant has been tested as part of a fire door sealing system using FAS Fire Door Foam™, plastic packers and standard screw fixings. Timber packers may also be used where required. Always ensure installation is carried out in accordance with the relevant fire test evidence, certification and installation guidance for the specific fire door assembly.

Does FAS Fire Door Intumescent Acrylic Sealant have a shelf life?

Yes, FAS Fire Door Intumescent Acrylic Sealant has a shelf life of up to 18 months when stored unopened in temperate conditions between 5°C and 30°C. To help maintain product performance and longevity, the sealant should be stored in a cool, dry environment and protected from extreme temperatures. Always check the product packaging and technical documentation for storage recommendations before use.

Does FAS Fire Door Intumescent Acrylic Sealant have an acoustic rating?

Yes, FAS Fire Door Intumescent Acrylic Sealant offers acoustic performance with sound reduction capabilities of up to 55dB Rw. In addition to providing a fire-resistant seal around joints, gaps and fire door installations, the sealant can help reduce the transmission of airborne sound through openings in walls and building elements. For full acoustic test data, installation guidance and certified performance information, please refer to the product datasheet.

How much will a 310ml cartridge of FAS Fire Door Silicone Sealant cover?

A 310ml cartridge of FAS Fire Door Silicone Sealant will provide approximately 8.5 linear metres of sealant when applied as a 6mm x 6mm bead. For larger joints, a single cartridge will seal approximately 2.5 linear metres with a joint size of 15mm x 8mm. Actual coverage may vary depending on the joint dimensions, substrate condition and application method. For detailed installation guidance and sealant usage calculations, please refer to the product datasheet.

How much coverage will a 310ml cartridge or 600ml foil sausage provide?

The coverage of fire-rated sealants will vary depending on the joint size and application method. As a guide:

  • A 310ml cartridge will produce approximately 1 linear metre of sealant when applied as a 20mm x 15mm bead.
  • A 600ml foil sausage will produce approximately 1.8 linear metres of sealant when applied as a 20mm x 15mm bead.

Actual coverage may vary depending on the joint dimensions, substrate condition and installation technique. For detailed application guidance and sealant consumption information, please refer to the relevant product datasheet.

What fire rating does FAS Fire Door Intumescent Acrylic Sealant offer?

FAS Fire Door Intumescent Acrylic Sealant has been fire tested to provide 30, 60, 90 and up to 120 minutes of fire resistance in timber fire doors and timber glazed screens. The sealant has been tested in accordance with BS 476: Part 20 & 22: 1987 and BS EN 1634-1, demonstrating its suitability for use as part of a tested fire door sealing and fire stopping system. The achievable fire rating will depend on the application, gap size and installation configuration. Always refer to the relevant certification, fire test evidence and installation guidance for the specific fire door assembly.

What fire rating does FAS Fire Door Silicone Sealant offer?

FAS Fire Door Silicone Sealant has been fire tested to provide up to 60 minutes of fire resistance when used in timber fire doors and timber glazed screens. The sealant has been tested in accordance with BS 476: Part 22: 1987 and BS EN 1634-1, demonstrating its suitability for use as part of a tested fire door sealing system. Always refer to the relevant certification, fire test evidence and installation guidance to ensure the product is suitable for your specific fire door or glazing application.

What is the minimum and maximum gap size that FAS Fire Door Intumescent Acrylic Sealant can be used in?

FAS Fire Door Intumescent Acrylic Sealant can be used to seal gaps up to 5mm wide without a backing material. For larger gaps, the sealant has been tested for use in gaps up to 25mm wide when installed in conjunction with FAS Fire Door Foam™ or stone mineral fibre wool as part of a tested fire door sealing system. Always refer to the relevant fire test evidence, certification and installation guidance to ensure the correct sealing method is used for your specific fire door application.

What is the minimum and maximum gap size that FAS Fire Door Silicone Sealant can be used in?

FAS Fire Door Silicone Sealant can be used to seal gaps up to 30mm wide when installed as part of a tested FD60 fire door sealing system in conjunction with FAS Fire Door Foam™ or stone mineral fibre wool. The suitability of the sealant for other gap sizes, fire ratings and installation configurations will depend on the specific application and tested system. For guidance on alternative applications, please contact our technical team for advice and supporting test evidence.

Where can I find technical and health & safety information?

All relevant information can be downloaded on this website

Why use FAS Fire Door Foam™ instead of stone mineral fibre wool as backing for FAS Fire Door Intumescent Acrylic Sealant?

FAS Fire Door Foam™ is a fire-rated expanding foam designed to simplify fire door installation and fire-stopping applications. Compared to traditional stone mineral fibre wool, it offers a quicker and more cost-effective installation method, helping to reduce labour time and overall project costs. When used with FAS Fire Door Intumescent Acrylic Sealant, it forms part of a tested fire door sealing system for perimeter gap sealing around fire door frames.