The Hart shutters, designed for safety, as well as preventing the escape of odours, measure 3.8m wide and from 10 to 11m high, each weighing about 1000kg.

They are designed for a 10 year life, comprise a mixture of specialist powder coatings, hot dipped galvanised and stainless steel materials, have a Class 3 corrosion class finish and special IP65i high-speed motors with insulated motor boxes as well as heaters that are thermostatically controlled to prevent moisture build up.

Likewise the IP66 GRP control panels are designed to prevent moisture with the incorporation of heaters and thermostats. Shutter opening speeds are within the client’s 60 second requirement.