We are the top supplier of 140° Opening Roof Vent in the UK.
A roof opening above a staircase, or at the head of a natural smoke shaft, or in a top floor corridor would typically require an automated vent to allow for the exhaust of smoke and hot gases.
Call on +44 (0) 1543 44 30 60 to know more about our 140° Opening Roof Vent!
Visit the SE Controls website for more information on 140° Opening Roof Vent