MDX-422
MDF Exterior • Panel
Precision CNC-machined in Phoenix, Arizona from eco-conscious, high-density recycled wood fiberboard (MDF) with solid wood stile and rail edge strips.
Architectural Specifications & Book Sizes
MDX-422- Application
- Exterior
- Standard Widths
- 1' 0" through 4' 0" (Custom widths available)
- Standard Heights
- 6' 8", 7' 0" and 8' 0" (Custom heights available)
- Door Thicknesses
- 1 3/8", 1 3/4", 2 1/4"
- Fire Rating Options
- All 1 3/4" doors are available with 20, 45, 60 & 90 minute Fire Rating
Don't See the Exact Door You Need? We Can Build It.
Even if a custom size, arch shape, panel configuration, glass lite, or wood species isn't pictured here, it is almost certainly available. We custom-manufacture virtually anything related to architectural doors at our Phoenix facility—call or email our estimating team with your specs.
Technical Resources for Environmental Doors
Environmental MDF Catalog (PDF)
Full catalog of Environmental MDF Panel, Tambour, Plank, and Contemporary doors.
20-Minute Environmental Fire Doors
Fire Stamped (ITS) and Fire Labeled (Warnock Hershey) 20–90 minute specifications.
STC 30–35 Sound Transmission Ratings
ASTM E 90-99 independent acoustic laboratory test results for 1 3/4" MDF doors.
Environmental Doors Lifetime Warranty
Limited Lifetime Warranty on factory-primed residential Environmental Doors.
Exterior Overhang Protection Guide
Required roof overhang formulas to protect exterior doors from sun and moisture.
