Windows and doors in The Genesis Collection are ‘reborn’ thanks to Bison Trade Frames’ extensive investment in R&D. “We have expertly re-engineered existing systems to create the highest level of detailing and performance,” explains Mark Tetley, Director at Bison Trade Frames. “Using years of experience, our team looks at a product, takes it apart and develops it with new componentry and unique manufacturing processes. The end result is a complete range of windows and doors that give homeowners beautiful aesthetics and the best user experience. “Our goal is to improve looks and performance as well as making it easier to.