When creating a smoke ventilation system, natural ventilation provides a simple, reliable solution, with low noise and energy usage. The use of windows as natural smoke vents is a popular choice, as they are often already included in a building’s design, and can increase the amount of natural light in an area, which wouldn’t be possible when using dedicated vents. But what is the 'free area' and how is it calculated?
"My total experience with besafedirect was first class. The advisor I spoke to couldn't do enough to help me. I would highly recommend this company. They keep to their word."
"Brilliant piece of kit. Easy to install and perfect for holding keys and fire documents. All delivered within 48 hours."
"Bought as a replacement for an existing unit. Very easy to fix as it only required the main cable to be trimmed and connected. The service from Be Safe Direct was excellent. Delivery was prompt and packaging excellent. Made even better by an extremely keen price."