An efficient secondary system embodies all the advantages of reduced heat loss, less noise penetration, reduced condensation and complete elimination of draughts around windows. A high quality product fitted on the room side of existing windows - more effective and much cheaper than double glazed replacement windows! The modest cost will be recovered in time by lower fuel bills - while you enjoy the extra comfort of rooms free from cold zones around the window.

Available in hinged and fixed units, horizontal sliding, vertical sliding and lift out units.