Intertek Directory of Building Products

Rating

Maximum Assembly Size

Door Type

Frame Type

Hardware Limitations

20 min w/hose steam

UBC Standard 7-2-1997 Part I

4’0” x 9’0”

(Single Swing)

 8’0” x 9’0” (Standard Pair)

8’0” x 9’0”

(Double Egress Pair)

Any Category “B” door listed and labeled for 20 minute fire rating with hose stream

Any Category “C” door frame listed and labeled for 20 minute fire rating with hose stream

Pairs require 3-point or 4-point latching with surface-mounted hardware, cylindrical or mortise latches with minimum ¾” throw, automatic or manual flush bolts

45 minute

UBC Standard 7-2-1997 Part I

4’0” x 10’0”

(Single Swing)

 8’0” x 9’0” (Standard Pair)

8’0” x 8’0”

(Double Egress Pair)

Any Category “B” door listed and labeled for 45 minute fire rating

Single-swing or pairs above 8’0” or double egress pairs must be Marshfield DoorSystem mineral core doors

Any Category “C” door frame listed and labeled for 45 minute fire rating

Single-swing pairs above 8’0” or double egress pairs must be 16/18 gauge steel door frames

Pairs require 3-point or 4-point latching with surface-mounted hardware, cylindrical or mortise latches with minimum 3/4” throw, automatic or manual flush bolts

60 minute

UBC Standard 7-2-1997 Part I

4’0” x 10’0”

(Single Swing)

 8’0” x 9’0” (Standard Pair)

8’0” x 8’0”

(Double Egress Pair)

Any GP construction Category “B” door listed and labeled for 60 minute fire rating

Single-swing or pairs above 8’0” or double egress pairs must be Marshfield DoorSystem mineral core doors

Any Category “C” door frame listed and labeled for 60 minute fire rating

Single-swing pairs above 8’0” or double egress pairs must be 16/18 gauge steel door frames

For GP mineral core doors: two strips side by side must be used

Pairs require 3-point or 4-point latching with surface-mounted hardware, cylindrical or mortise latches with minimum 3/4” throw, automatic or manual flush bolts

90 minute

UBC Standard 7-2-1997 Part I

4’0” x 10’0”

(Single Swing)

 8’0” x 9’0” (Standard Pair)

8’0” x 8’0”

(Double Egress Pair)

Any GP construction Category “B” door listed and labeled for 90 minute fire rating

Single-swing or pairs above 8’0” or double egress pairs must be Marshfield DoorSystem mineral core doors

Any Category “C” door frame listed and labeled for 90 minute fire rating

Single-swing pairs above 8’0” or double egress pairs must be 16/18 gauge steel door frames

For GP mineral core doors: two strips side by side must be used

Pairs require 3-point or 4-point latching with surface-mounted hardware, cylindrical or mortise latches with minimum 3/4” throw, automatic or manual flush bolts