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.
More refrigerant bans possible, says government
The government could tighten up the rules that restrict the use of global warming refrigerant gases including speeding up phase-out programmes and introducing new bans, according to a spokesman from the Department for Environment, Food and Rural Affairs (DEFRA).
Baxi research suggests schools strongly support heat decarbonisation
A survey conducted by Baxi of 200 state school estates managers, consultant engineers and M&E contractors has found that while enthusiasm for Net Zero and support for low carbon heating systems in schools is thriving, persistent barriers remain.
