The first value-custom line from CGI Windows and Doors, Sparta was created to make impact windows accessible for more homeowners to make upgrading to impact resistant windows easier and more affordable than ever. Their line of Single Hungs, Horizontal Rollers and Fixed windows is a perfect fit for homeowners looking for simple hurricane protection without the need for shutters or plywood. With design pressures up to +55/-65psf, stainless steel fasteners and corrosion resistant hardware, Sparta provides strength at an unprecedented price.