Model 9850
CompositWood+ Picture & Special Shape Windows
Interstate’s CompositWood+® windows are lifetime warranted against defects in material and workmanship under normal use and service.
CompositWood+, the next generation of windows, is a revolutionary material blended with timeless design that surpasses the ambitions of even the most well-known window manufacturers.
CompositWood+ is made from a proprietary mix of specialty polymer and acrylic resins, creating an “engineered composite”, super tough, solid core material. A permanent color surface technology called “ToughCoat™” is fused to the core materials during the extrusion process.
CompositWood+ is simply the best window you can buy. It provides the warmth of a finely milled wood window without the problems associated with wood.
Inside, select solid ToughCoat™ white.
Outside, choose from ToughCoat™ white (white interior); 14 in-stock factory painted colors; and virtually unlimited custom matched colors (15-year paint warranty).

14 in Stock Exterior Colors

Unlimited Color Match Exterior Colors
Custom blended colors available to suit your design needs – limited only by your imagination!

Protecting Our Environment & Our Community
Energy Efficiency at Interstate
Products that are recognized as the Most Efficient of ENERGY STAR in 2025 meet rigorous energy efficiency performance levels set by the U.S. Environmental Protection Agency. CompositWood+ has been awarded the ENERGY STAR Most Efficient mark for 2025.










