MAGNUS™ uPVC 1800 Series Fixed Windows

Crystal Window & Door Systems Magnus uPVC Series 1800 Magnus vinyl windows are engineered for superior quality and performance. A variety of energy-efficient types and styles are available for commercial and architectural projects. Every Magnus uPVC Series 1800 window is custom-made to your specifications using premium vinyl, high-performance glass, and high-quality hardware. And each window performs with outstanding energy, acoustic, and structural properties. Crystal Window & Door Systems is a proud long-term partner of REHAU, a global manufacturer of polymer-based solutions for construction, automotive, and industry. Founded in Germany more than 70 years ago, REHAU is known for delivering high-performance window and door solutions, with uncompromising attention to detail from design to profile extrusion to service. REHAU offers a variety of styles from typical residential hung-slider, casement, and patio door to the most advanced European-style tilt-turn windows that achieve the highest structural, thermal, and acoustical performance ratings.