LGS Linear Gap Seal

LGS 03

Stopseal® LGS is an intumescent thermoplastic filled with flame retardants and binders which provide a high performance volume expansion and pressure seal situated in an elastomeric, acoustic rated foam. They can be used in,

  • Rigid Walls
  • Rigid Floors

 Areas of Use:

  • To reinstate fire resistance through walls and floors - linear seals
  • Movement joints +/-25%
  • Assumed working life 25 years
  • For internal use

Certification & Testing

  • Testing in accordance with BS 476pt 20/22 – Fire Resistance – 120 minutes Integrity
  • Certifire Accreditation – CF507
  • IET (IEE) 17th Edition Fire Stop Compliant to Regulation 527.1-3 – Electrical Installations.
  • BS 7671-2008 Chapter 42&52 – Electrical Installations Fire Resistance
  • Tested in accordance with EN10140-2: 2010 - Airborne Sound
  • Tested in accordance with EN1026:2000  - Air Permeability
  • Tested alongside, cables, cable trays and cable trunking

LGS Group


Linear Gap Seal TDS Jan 2018
Technical Data Sheet (TDS)
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Stopeal Linear Gap Seal PID Sept 2018
Product Information Document (PID)
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CF507 LGS May 18 2023
Certifire Certificate
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Stopseal LGS SDS Nov 2016
Safety Data Sheet (SDS)
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