Knockdown Tioga Door KD

Tell's Tioga Doors are manufactured for the Metal Building Industry. The Knockdown is a packaged kit ready to assemble in the field. Doors are available in 20 and 18 gauge and the frames are 16 gauge galvannealed steel, for 1-3/4" thick doors. All doors come complete with all components — door, frame, sub-frame and hardware, ready for easy field installation. Our doors are manufactured from galvannealed steel with a polyurethane or polystyrene core. The doors come standard in white or bronze prime coat finish.

Tioga Doors can be wind rated or fire rated and follows the performance specifications set by the Steel Door Institute (SDI) requirements
Tioga Knockdown
  • Dimensions


  • Knock Down Kit

    20 Gauge Galvannealed Steel Doors (16 Gauge Option Available)

    16 Gauge Galvannealed Steel Frames

    Polystyrene Core (Polyurethan Option Available)

    Bolted Corners Steel Sub Frames w/ Attachments


    Kerf-Style weather sealing

  • Compliance

    The Tioga Series doors offer select options for fire rating to comply with (ASTM E152, UL-10B, UBC 7-2 and UL-10C) and options for Wind Rating for Florida and Texas

    Speak to our sales representative for more details

  • Reinforcements

    7 Gauge reinforcements at the hinges

    12 Gauge reinforcements at the door closer

    Lock box construction

    16 Gauge Top and Bottom Channel Reinforcements

  • Thresholds & Seals

    ADA compliant thresholds- standards

    Sweep and Kerf -Style Weather sealing

    Detachable Flashing- Optional installation

  • Colors