Manufactures the Powermatic range of controlled, concealed jamb-mounted door closers in Birmingham for fire and non-fire doors in housing, hotels, healthcare and education. The Powermatic R100 holds Certifire certificate CF370 and is CE marked to BS EN 1154 power size 3, having been fire tested to BS EN 1634-1. Samuel Heath states it is the only jamb-mounted concealed door closer to carry Certifire certification.