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60 Minute Insulated Durasteel Fire Barrier (E240, EI60)

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Home Technical Data Fire Walls & Barriers 60 Minute Insulated Durasteel Fire Barrier (E240, EI60)

60 Minute Insulated Durasteel Fire Barrier (E240, EI60)

  • Fire resistance: 240 minutes integrity – 60 minutes insulation (Fire attack from either face)
    (Formally referred to as the STI 240/60 System)
  • Channel (minimum): 80mm x 60mm x 3mm (for heights up to 6m)
  • Overall width: 118mm
  • Weight (nominal): 51kg/m2
  • Estimated sound reduction: 42dB

60 Minute Insulated Durasteel Fire Barrier

 

Perimeter channels fastened to surrounding construction with M10 or M12 all-steel expanding anchors (or equivalent for alternative types of supporting construction) at 500mm maximum centres.

The vertical channels are set at a maximum 1200mm centres. Horizontal and vertical channel members either welded together or joined with steel angle cleats, minimum 60mm x 60mm x 3mm thick x 60mm long, fastened to each channel member with two M10 steel bolts and nuts.

9.5mm Durasteel fillet fixed on both sides of channel. Fillet strips to overlap channel by minimum of 20mm on both sides.

9.5mm Durasteel sheets fixed through fillet on both sides of the channel with M5.5 steel self drill and tap Tek screws at 250mm nominal centres.

Fixings a minimum of 12mm from edge of sheet and a maximum of 50mm from corners. Length of fixing to be sufficient to ensure appropriate penetration of screw thread in accordance with screw manufacturer’s recommendations.

Vertical board joints coincide with studs, horizontal board joints are backed by steel channel the same size as the vertical studs. Expansion allowance will be required for barriers above 4 metres high.

Steel Channel sizes for barrier heights up to 15 metres
Height of Barrier Channel size (mm x mm x mm) Durasteel fillets per face Rock Wool infill Estimated sound Insulation Row
0 – 6 80 x 60 x 3 1 None 42
6 – 9 150 x 60 x 3 1 None 42
9 – 12 Two 150 x 60 x 3 Back to back 1 None 42
12 – 15 Two 200 x 60 x 3 back to back 1 None 42

Back to back channels fastened together with M10 steel bolts and nuts at 500mm maximum centres. The vertical joints in the Durasteel should be offset by 30mm from the centreline of the back-to-back studs, to avoid a straight through path for hot gases. Horizontal channels are single channels.

 

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