MDI is your source for architectural & commercial grade doors, frames, hardware & related accessory products. MDI® Door is committed to providing unparalleled quality, engineering, and innovation in supply of value-added doors, frames, hardware and specialty building products ~ serving discerning customers with the utmost integrity and professionalism, since 1972. With over four decades in business and second generation of ownership (since 1992), Metropolitan has one of the most diverse product lines in the industry. Our products consist of a comprehensive line of: - Hollow metal doors and frames (KD & Welded) - Standard & adjustable throat knock-down frames - Embossed steel panel doors - Wood doors & frames (fire rated & non-rated) - FRP (commercial fiberglass) doors & frames - Kalamein steel doors - Access doors/panels - metal, aluminum & Stealth - HM borrowed-lite window frames - Vision lites & louvers - Fire rated impact resistant clear glazing - Access control products: wireless & hardwired. - Fire extinguishers and cabinets - Washroom accessories (grab bars, hand dryers, towel dispensers) - Wall louvers (aluminum, drainable, site-proof, Miami-Dade hurricane approved) - Standard & architectural grade builders hardware.