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240 minute fire barrier EI240 - System Details

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System No. 5.50.3

240 minute fire barrier EI240 - click to enlarge
Click to Close 240 minute fire barrier EI240


System Details

Channel (minimum): 80mm x 60mm x 3mm (for heights up to 6m)
Overall Width: 137mm
Weight (nominal): 72kg/m2
Estimated sound reduction: 50dB

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 Promat DURASTEEL® fillets fixed on both sides of channel, number of fillet strips according to  requirements in Table below. Fillet strips to overlap channel by minimum of 20mm on both sides.

9.5mm Promat DURASTEEL® sheets fixed through the fillet on both sides of channel, using M5.5 steel self drill  and tap Tek screws at 250mm nominal centres. Fixings a minimum of 12mm and maximum 20mm from board  edge and a minimum 50mm and maximum 100mm from corners (ie 2 fixings per corner) in accordance with Promat UK DURASTEEL®corner fixing statement.

The length of fixing to be sufficient to ensure appropriate penetration of screw thread, in accordance with manufacturer’s recommendations.

Vertical board joints coincide with studs, horizontal board joints are backed by steel channel the same size as the vertical studs.

Rock wool infill, according to the table below, is fitted into the channels. The layers are staggered by a minimum of 150mm.

If the rock wool does not fill the cavity, it must be fastened into position with 2.5mm-diameter steel stud-welded pins and 38mm-diameter spring steel washers. The pins are positioned in a grid 400mm x 400mm maximum. Expansion allowance will be required for barriers above 4 metres high.

Please contact Promat UK Technical Service for further information or CAD details.

System Specification

IconSystem Specification

CAD Details

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Product Information

Promat DURASTEEL®

Safety Datasheets

PDF IconPromat DURASTEEL®

 

For technical enquiries regarding this system, please contact the UK Customer Relations Team on 01344 381 400 or email technicaluk@promat.co.uk.

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