We can repeat and say that our strip seal provides improvement in energy performance and comfort level in any room. This sash is designed to fit the window frames precisely so as to avoid air leakage and consequent energy losses. Our strip seals, as a result of applied techniques and materials, do not only function as they should but also last long. Air leaks are the major cause of complaints in household, automotive and medical applications and our versatile solutions provide answers to these problems and therefore contribute positively towards energy efficiency.