Acoustic, smoke & fire containment systems

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DS acoustic seal, smoke seal & fire door seal

Dual seal (DS) is designed to allow seal continuity at hinge positions. This slim-line seal is fitted into the door edge or frame to restrict the spread of ambient and elevated temperature smoke. When exposed to fire conditions the high performance intumescent core rapidly expands in volume to seal the door perimeter and restrict the passage of fire, toxic gases and hot smoke.

Key benefits

  • All-in -one “life safety” seal. Ideal for use in fire engineering solutions to limit the spread of fire and smoke around the edges of doors.
  • May be used to improve fire resistance performance of existing door assemblies.
  • Low friction elastomeric fins provide excellent acoustic and smoke containment performance as well as contributing to low operating forces.
  • Intumescent core protected by a durable thermoplastic sheath.
  • Suitable for healthcare applications, the casing and fins feature anti-microbial additives to limit bacterial growth.
  • Use in conjunction with a LAS8001si drop seal for a complete life safety door sealing solution.

Standard lengths
1m, 2.1m and 2.75m.

Gap sizes
2.5mm - 3mm.

Fixing method
The product fits into a groove made in the door frame or the edge of the door leaf and is secured using the self-adhesive tape backing.

Finishes
Standard colour: Black with black fins. Many more colours available.

Approvals
Fire: AS1530.4 fire approvals on proprietary fire door assemblies.
Sound: Acoustically tested in accordance with ISO10140-2 and AS/NZS717.1 with ratings up to 35Rw on appropriate rated assemblies.
Durability: Tested for reliability, seals completed 1,000,000 cycles without failure.

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