Folding Arm Actuators
Aesthetically more pleasing than a chain actuator, we supply a variety of high-quality folding arm actuators that can be used for most window types as well as doors, vents and skylights.
Other Products and Services from Rocburn Ltd
Natural Ventilation Equipment
If you are looking to create a passive ventilation system for your residential or commercial property, then we have a number of different products that can help you to achieve thi
Accessories
There are a range of accessories for ventilation controls which expand the functionality available.
Free Vent Area Calculation
To effectively clear smoke at the appropriate rate, the recommended free vent area required from your window or windows is as follows:
Stairwell Windows: 1 square metre of free vent area at 90 degrees from the opening vent.
Lobby Windows: 1.5 square metres of free vent area at 90 degrees from the opening vent.
Windows should be bottom-hinged and open outwards, or side-hinged and open outwards, ideally positioned above the height of the door to ensure smoke is cleared above head height.
Rocburn Ltd
Unit 5, Sutton Park, Sutton Road, Southend-on-Sea, Essex, SS2 5NX, United Kingdom
The UK's leading window opener and ventilation company, Rocburn Ltd, supply and fit a wide range of automatic and manual window opening and vent systems for domestic and commercial use. Designed to fit any window, whether it's a skylight, conservatory window, greenhouse, sash window or standard window our range of automatic and manual window openers are a must when trying to open widows that are too high to reach.