Sorpetaler product types vary within the respective Series and may include tilt and turn windows and doors, double hung windows with brass weights and chains, out-swing casements with integral roll-screens, sliding folding doors, lift and sliding doors, pivoting windows, and more with others on the way.  Please inquire to see if we meet your project requirements.  Chances are Sorpetaler has a product for your specific architectural need. A local Sorpetaler rep can visit in a show van with representative samples or otherwise introduce you to the company.  Sorpetaler's online presence is www.sorpetalerusa.com.  When you require top performance custom fenestration reasonably priced please consider Sorpetaler.