PSB UK Ltd (Part of the Witt UK group of companies) introduced impulse ventilation systems to the UK, installing the country’s very first system in the car park at Artilleries Mansions in London in 2001. Originally established by the Witt & Sohn Group in Holland more than 25 years ago, PSB has grown rapidly and has to date, designed, built and installed more than 500 systems across the UK and Europe. Building on our high quality services, PSB UK now offers a full range of products for commercial, industrial and residential smoke extract systems. This includes car park ventilation, smoke control systems, natural and mechanical ventilation and tunnel ventilation. PSB UK Ltd are able to offer the full design, manufacture, installation and commissioning package to clients throughout the UK. With support from other areas within the Witt UK Group, 80% of our products are manufactured ‘in house’ giving PSB UK Ltd flexibility on product lead times and labour resource. With a commitment to research, advanced design, state of the art technology and continuous innovation, PSB UK go further to create bespoke world-class impulse ventilation and smoke control systems that are renown for their efficiency, controllability and power. PSB UK Ltd systems are the ultimate in fire safety.