Rocburn Limited

21/09/2026

New case study: 30 Percy Street, Fitzrovia 👇
For the refurbishment of this Grade II listed building, we specified a bespoke dummy sash AOV that keeps the appearance of a traditional sash window while providing certified smoke ventilation.
The project also included controls for an existing roof vent and an automatic opening door.
Read the case study here🔥

We specified a bespoke dummy sash AOV and automatic opening door system for the refurbishment of a Grade II listed building in Fitzrovia, balancing modern fire safety requirements with its historic appearance.

28/08/2026

We’ve put together a straightforward guide to the main smoke ventilation regulations in the UK, covering Approved Document B, BS EN 12101, BS 9991, BS 9999 and more.👇

https://www.window-openers.com/product-regulations/uk-smoke-ventilation-regulations/

It can be difficult to know what regulations apply to your project and what they mean for you. If you are unsure our smoke ventilation specialists can review your fire strategy, drawings or documents and spec products tailored to your building.

Working out what regulations apply, is not always straightforward. There is no single piece of UK smoke ventilation legislation covering every building or system. Instead requirements come from a combination of building regulations, fire safety legislation, British standards and the buildings fire s...

21/08/2026

We recently supplied a multi-zone natural smoke ventilation system for Girdlestone Close, Headington, as part of an extension to the existing building.

The system includes façade AOVs integrated into the curtain walling, a roof AOV serving the main stairwell and controls managing five smoke ventilation zones.

Take a look at the full case study, including a video of the façade AOV in operation 👇

A five-zone natural smoke ventilation system for an extension at Girdlestone Close, with façade AOVs integrated into the curtain walling and a roof AOV serving the main stairwell.

17/12/2025

A great customer install of our MBL-700 ✨📺