Openings 20 Minute to 3 Hour FR200 Stainless Steel Shell Door Frame (for use with Total Doors only) Company: Total Door II, Inc.
Pressed Steel Door Frame "FR200" with Stainless Steel Shell
90 minute Singles:
Masonry, Steel/Wood Stud drywall openings
4'0" wide x 9'0" high
3 Hour Singles:
Masonry openings only
4'0" wide x 8'0" high
Standard Pairs :
Not allowed
Minimum Wall Thickness:
4"
