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

Network Infrastructure Assistant ECS card updated to include City & Guilds

A range of ECS cards are available through the Electrotechnical Certification Scheme (ECS) for the Network Infrastructure industry.

New guidance announced

The IOR has just released a new guidance note on the Pressure Equipment (Safety) Regulations and Pressure Equipment Directive (GN36) outlining the requirements for installers of RACHP systems. 

Calendar