Low-cost fire-rated ceiling valve

VentWise, Tenmat, fire rated ceiling valve

VentWise and Tenmat have developed a fire-rated ceiling ventilation valve to prevent the passage of smoke and fire and which is said to be significantly cheaper than other products. The Firefly valve has been tested to BS 476 and rated for 60 minutes.

These valves use an intumescent material to seal the valve in the event of fire, as shown by these before-and-after pictures.

For more information on this story, click here: Oct 2011 172
Related links:
Related articles:



modbs tv logo

Improved dry pocket for SpiroTrap and SpiroCombi

Spirotech has improved the dry pocket of the magnetic dirt separator in its steel SpiroTrap and SpiroCombi units, making them even easier to maintain.

FREE Heat Pump Training from BESA

The Building Engineering Services Association (BESA) is launching the industry’s only online training course for heat pump installation to help fill a skills gap highlighted by the government’s flagship Green Homes Grant voucher scheme.

Calendar