Smoke Extraction Ductwork

For Smoke Extraction ductwork, to ensure your specification is clear and includes all relevant codes we suggest your specification can be written as follows:

Single Compartment

All Thor Duct® 2.0 Smoke Extract ductwork to standard EN12101-7 and tested to EN1366-9 for single compartment.

• Classified EN13501-4
• Test standard EN1366-9
• Maximum size 1900x1700mm
• 30mm Flange duct connections
• Insulation not required
• Integrity (E) rating derived from the compartment rating
• 600°C smoke conditions as per EN1366-9 fire test
• CE marked or UKCA as appropriate
• Where required, drains type ST-K as tested may be fitted
• Grilles for the smoke duct type Lindab RGS as tested
• Where single compartment ducts are connected to multi compartment ducts through a fire compartment wall, penetration by a self supporting Thor Duct Tunnel penetration detail
• Performance E₆₀₀ (h_o)S 1500Pa Single
  

Multi Compartment

All Thor Duct® 2.0 Smoke Extract ductwork to standard EN12101-7 and tested to EN1366-8 for multi compartment.

• Classified EN13501-4
• Test standard EN1366-1 and EN1366-8
• Maximum size 1250x1000mm. Larger sizes to be provided as split ducts
• 25mm thickness pre-Insulated ductwork sections delivered from an FPC production facility
• CE marked or UKCA as appropriate in compliance with Regulation EU305:2011
• Integrity and insulation (EI) performance derived from the compartment requirement, giving regard to all the dependent compartments being crossed by the duct work
• 30mm Flange duct connections
• Access door (maximum 450x450mm) tested to EN1366-8
• Flange collars not to exceed 25mm in thickness for co-ordination, fitted on site
• Where required, drains type ST-K as tested may be fitted
• Grilles for the smoke duct type Lindab RGS as tested
• Penetration self-supporting to wall structure by way of Thor Duct® 2.0 Tunnel
• Performance EI90 (h_o, v_e)S 500Pa Multi