By utilising factory assembled doorsets with engineered tolerances and through the use of efficient adjustable closers and low friction hinges every attempt has been made to minimize the opening force, where self closing is a requirement.

On occasion there may be situations where due to project specification the opening force of 30N specified in BS 8300 and AD M is unlikely to be achieved. This may occur where there is a requirement for smoke or acoustic seals or where air pressure differentials increase resistance.

One potential solution would be to utilise an electro hold open device. Electro hold open devices are powered by 24V DC power supplies and will hold the door open until the fire alarm is activated and the power is terminated to the closer. Other solutions include the use of a low energy power operated door operator.

For further information regarding power assisted devises please contact our Architectural Hardware department on 01773 530 500.

An access statement from our closer supplier (GEZE) is available on request.