International Window

read moreYour quality of life depends, in many ways, on the quality of things around you. Since 1957, International Window Corporation (IWC) has manufactured outstanding vinyl and aluminum windows and doors known for their comfort, convenience and beauty. Now that's quality we all can appreciate. But quality is never a static characteristic, so we are always seeking continuous improvement through innovation and expanded product lines.

read moreMore than 50 years ago, International Window Corporation began as an aluminum window manufacturer specializing in Jalousie-style windows. As the market changed and diversified, we strategically adapted to meet those expanded needs. Our services grew to also include vinyl windows and sliding and hinged patio doors. Through those years of change and invention, we have maintained a focus of quality and superior customer service for you. Today, we operate two thriving production facilities in Fullerton (Southern California) and Hayward (Northern California).

read moreAt International Window, quality is our trademark. That is why we leave nothing to chance. With over fifty years experience in the industry, we bring you the all new Keltic Door Series. This series is available in large sliding, pocket doors, 90 corners and custom configurations. All of the door panels easily collapse together, giving you the option to create an opening as large as you can imagine. With quick lead times, quality manufacturing, and a name like International Window. 1 to 4 Track One Piece Extrusion - extruded in one piece with the ability to attach more tracks to add an unlimited numbers of panels.