Panel Door Fire Rating Options

ASSA ABLOY Wood Doors offers a wide range of choices for your building needs. The listed elevations represent our most popular doors and often are our most cost-effective products as well. In addition, the custom nature of our work allows us to craft specialty doors according to your needs.

Dimension Ranges (Neutral Pressure)

Dimensions Non-Rated 20-Minute 45-Minute 60-Minute 90-Minute
Max door height 10' 9' 9' 9' 9'
Max door width 4' 4' 3'6" 3'6" 3'6"
Max door thickness 2 1/4" 2 1/4" 2 1/4" 2 1/4" 2 1/4"
Min door thickness 1 3/8" 1 3/4" 1 3/4" 1 3/4" 2 1/4"
Min stile width 3" 5" 5" 5" 5"
Min mullion width 3" 3" 3" 3" 3"
Min rail length 9" 9" 9" 9" 9"
Min top rail width 3" 5" 5" 5" 5"
Min cross/lock rail width 3" 3" 3" 3" 3"
Min bottom rail width 3" 9 1/2" 9 1/2" 9 1/2" 9 1/2"
Max panel height 80" 93 1/2" 93 1/2" 93 1/2" 93 1/2"
Min panel height 6" 6" 6" 6" 6"
Max panel width 38" 38" 32" 32" 32"
Min panel width 6" 6" 6" 6" 6"
Min flat panel thickness 5/8" 5/8" 1 1/8"* 1 1/8"* 1 1/8"*
Min raised panel thickness 1 1/8" 1 1/8"** 1 1/8" 1 1/8" 1 1/8"

* 2 1/4" door thickness

** or 1 1/2" standard

Dimension Ranges (Positive Pressure)

Dimensions 20-Minute 45-Minute 60-Minute 90-Minute
Max door height 9' 8' 8' 8'
Max door width 4' 3'6" 3'6" 3'6"
Min door thickness 1 3/4" 1 3/4" 1 3/4" 2 1/4"
Min stile width 5 1/2" 5 1/2" 5 1/2" 5 1/2"
Min top rail width 5 1/2" 5 1/2" 5 1/2" 5 1/2"

Custom Specification

If your needs require a slightly different look, we can handle it. Since all of our work is custom in nature, we have the flexibility to adjust to what you want. Our competitors can't promise that.