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Durasteel DD120 and DD240 Fire Doors

Leaf

  • Overall Thickness: 28mm
  • Material: 9.5mm thick Durasteel sheet
  • Jointing Construction: Mitred and Welded

Frame

  • Overall Frame Depth: 60mm (FR7) (FR11)
  • Material: 60 x 60 x 6mm thick angle section
  • Jointing: Mitred and Welded joints or cleated constructions
  • Type and Configuration: Single rebate/3-sided frame
  • Threshold Plate: 70 x 10mm thick MS plate (FR15)

Finish

  • Frame and Leaf: Standard shop-applied zinc based primer, ready for site painting (P3)

Ironmongery

  • Leaf fitted with 3-way shoot bolt mechanism, handle set and rose plates. 2 no. hook and ride hinges and central hinge keep per leaf. Passive leaf on double leaf doorset is fitted with either face fixed tower bolts top and bottom or 2-way shoot bolts

Certification

  • BS 476: Part 22: 1987
Durasteel DD 120 and DD 240 Fire Doors
Dimensional Details Ref Single Leaf Doorset Example Calculation Double Door Leafset Example Calculation
Structural opening width A A 900 A 1800mm
Structural opening height B B 2100 B 2100mm
Overall frame width C (A - 8 = C) 892 (A - 8 = C) 1792mm
Overall frame height D (B - 6 = D) 2094 (B - 6 = D) 2094mm
Door leaf width E (A - 25 = E) 875 ((A - 30)/2 = E) 885mm
Door leaf height F (B - 35 = F) 2065 (B - 35 = F) 2065mm
Durasteel DD 120 and DD 240 Fire Doors

Related pages: Technical Specifications, 2 Hour Fire Door, 4 Hour Fire Door