The Crompton External range is designed specifically for external exits, service entrances and plant access points where fire performance, weather resistance and day to day durability are essential. Combining smoke control, thermal performance and robust steel construction, it provides a dependable solution for commercial, industrial and public sector buildings.

Developed for building perimeters and external access routes, Crompton External is suited to environments exposed to frequent use and changing weather conditions. From plant rooms and service yards to emergency exits and back of house access points, the doorset combines fire performance with thermal efficiency and smoke control to support building safety and operational requirements.

  • Fire Rated Up to E120
  • 31dB
  • 1.6 - 2.2 W/m²K
  • Sa & S200

Construction & Materials

Door Leaf Construction

45mm thick steel leaf manufactured from 1.5mm Zintec skins with stainless steel cross sections and internal reinforcement. Approximate leaf mass 200kg.

Frame

100mm deep fixed frame manufactured from Zintec and stainless steel for secure installation into suitable supporting structures.

Construction Method

Reinforced steel construction developed for external commercial and industrial environments.

Threshold & Finish

Teardrop and intumescent seal arrangement with 12mm step threshold. Available in polyester powder coated, wet paint and polished stainless steel finishes.

Performance Ratings

Performance values shown relate to the single door configuration only. Alternative configurations may vary depending on specification and project requirements.

VariantFireAcousticSecurityU-ValueSmokeWind
ExternalE12031dB-1.6 - 2.2Sa & S200Pending

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Booth Industries is a world renowned provider of high performance, high integrity protection systems, specialising in certified, engineered and bespoke multi-protection doorsets.

Service & Maintenance