Flamebar BW11 fire rated ductwork is fabricated from galvanised sheet steel to an enhanced standard. It is then degreased and sprayed with a coating using a specially formulated water based compound. The coating contains selected mineral filters in a low permeablility elastomeric binder to a thickness of 0.7mm minimum to give a finished product which has been successfully tested for international use under Cellulosic Fire Conditions for 4 hours duration.

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The unique BW11 coating has a number of distinct benefits:

• The provision of in excess of 2 hours insulation when handling internal gas temperatures of 400°C

• A reduction in base duct construction thickness or gauge

• Reduction in duct reinforcement

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The system has been successfully tested for international use, under cellulosic fire conditions, to give in excess of four hours fire resistance in the event of a fire.

It can confidently be specified and installed for:

• Smoke extract

• Car park extract

• Kitchen extract

• Stair pressurisation systems

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For product brochure, please download here.

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For more information, please click here.

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