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635 Series FireKing Insulated Fire Door

The 635 Series FireKingTM rolling steel, fire-rated service door offers superior protection wherever a listed insulated fire door is required (max. width 24’; max. height 24’).The 635 Series insulated door serves as a thermal barrier, ideal for applications which require separation due to climate control requirements. The insulation used in this door offers added energy efficiency (R-value of 4.5), sound transmission control (STC 21), and the mineral wool utilized in the slat insert meets the Smoke and Flame Index of 5.

Common masonry and non-masonry mounted applications include: facilities with paint booths, file rooms, material storage locations, warehouses, shared walls between businesses, public record storage, and public buildings such as libraries. The 635 Series insulated fire door is available with UL (FM optional) labels for 1-1/2, 3, 4 and oversized doors.

These doors feature a mechanical auto resettable hoist (non-motorized) that enables easy drop test and reset of the fire door in just seconds. Fusible links are mounted on both sides of the wall that separate to automatically close the door in case of fire.

Max Width

24’0″ (7315.2 mm)

Max Height

24’0″ (7315.2 mm)

Energy efficient

Insulation R-value of 4.5

Sound Transmission Class 21

Ideal for applications that require sound control

Curtain

Galvanized or Stainless steel, in a variety of gauges
Slat profile available in curved or flat
Standard finish available in gray, tan, white or brown

Labels available for masonry or non-masonry applications

UL 1-1/2 hr (FM is optional)
UL/ULC 3 hr (FM is optional)
UL 4 hr
UL oversized door (FM is optional)

NFPA-80, New York City and state of California (CSFM) compliant

Mechanical Auto resettable hoist (non-motorized)

Enables easy drop test and reset of fire door in seconds

Fusible link for added safety

Fusible link separates at 165°F (74°C) to automatically close the door in case of fire

Viscous governor technology

Controls rate of door descent during a fire while reducing noise and vibration for quieter door operation

Innovative planetary gear design

Ensures years of reliable service and drop-out performance