Interior Wood Fire Rated Jambs

FR20 Wood Frames - No Kerf
Primed, kiln dried finger jointed pine jambs comply with a Warnock Hersey 20 minute fire rating. Optional smoke seal can be used for extra sound and smoke protection.
Kit includes:
• Hinge jamb, strike jamb, header; 1- 4-1/2x4 Ball Bearing Hinge C26D finish; 2- 4-1/2x4 Self Closing Hinges C26D finish; 20 Minute Label. Bulk packaged.
• Strike jambs are double prepped for standard residential D strikes.
• Standard Jamb width options include: 4-1/2”, 6-3/4”, 7-7/8”, 9”. Can be ripped in width to accommodate custom wall thickness.
• Standard prep for jamb set accommodates an undersize solid core 1-3/4” door slab.

FR20 Wood Frames with Kerf Weatherstripping
Primed, kiln dried finger jointed pine jambs comply with a Warnock Hersey 20 minute fire rating. Black or white Kerf weatherstripping included in jamb kit.
Kit includes: Hinge jamb, strike jamb, header; 1 - 4-1/2x4 Ball Bearing Hinge C26D finish; 2 - 4-1/2x4 Self Closing Hinges C26D finish; 20 Minute Label. Bulk packaged.
• Strike jambs are double prepped for standard residential D strikes. Kerf weatherstrip is pre-installed.
• Standard Jamb width options include: 4-1/2”, 6-3/4”, 7-7/8”, 9”. Can be ripped in width to accommodate custom wall thickness.
• Standard prep for jamb set accommodates an undersize solid core 1-3/4” door slab.

Pricing out as Swing Swing Opening:
Knock Down Unit: Pick your frame, add the door slab of your choosing. Door and frame will be shipped as a Bulk Pack on a horizontal pallet.
Prehung Unit: Pick your frame, add the door slab of your choosing, add the item code FR20 PREHUNG. Multiple units will be shipped on a vertical pallet.

Interior Door Handing Chart: