How-to Guide

Know Your Window: MI 3500 Single-Hung Window

The MI 3500 single-hung vinyl window is designed for new construction projects. With a removable sash, top glass, and meeting for easy drywall pass through, the 3500 is MI’s top-selling vinyl window. The stylish beveled profile, full-length lift rail, and metal reinforcements at the meeting rail provide aesthetic and performance benefits while the welded, multi-chambered frame and sash offer superior strength and energy-efficiency.