Maximum nominal (overall) single door sizes are as follows:
L-Series (Laminated Door)
20 Gage = 3’ 0” wide X 8’ 0” high
18 Gage = 4’ 0” wide X 10’ 0” high
16 Gage = 4’ 0” wide X 10...
GrainTech® is available with very broad fire ratings.
The option of GrainTech® does not affect the fire rating of the door.
Fire ratings depend on the door series, hardware and applications.
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Yes, Steelcraft does offer optional A60 and A40 Galvannealed, and G90 Galvanized steel on doors and frames.
Galvannealed A60 and A40:
A60 coating designation - optional on all doors and frame...