The most effective way of supporting your sash balance windows, Balance Systems Innovations have a range of products to service the fenestration industry within Europe with quality hardware products for vertically sliding sash windows. The prime product since our formation, has been the "block & tackle" sash balance, a vital component to vertically sliding sash windows. Based in Olney, Buckinghampshire, Balance Systems Innovations, have over 30 years' experience to ensure delivery of the best siding sash windows in the industry.