Barrel AssemblyConstructed from steel tube manufactured to BS EN 10219 on a steel shaft and mild steel bearing blocks each end incorporating high speed bearings. Tube and shaft sized according to opening size and door weight.
CurtainExterior and interior constructed from galvanised steel interlocking laths manufactured to BS EN 10346 with a protective zinc coating of 275g/m2. Each section is minimum 85mm deep with triple ribbed face for increased rigidity. Each panel is terminated with a hardwearing steel end locks. Skins are 0.7mm thick (20 swg). Bottom of curtain incorporates a special galvanised rolled section.
Thermal Insulation ValueThe shutter curtain is insulated for thermal and acoustic performance using a rockwool infill.
End PlatesFormed from minimum 6mm thick mild steel plate to support the barrel and take the weight of the shutters
GuidesConstructed from minimum 84mm x 70mm x 3mm thick galvanised steel guide channels, assembly bolted to 100mm x 50mm x 6mm thick steel angle sections
Hoods1.0mm thick pressed galvanised steel hood box manufactured to BS EN 10346 with a protective zinc coating of 275g/m2 complete with reinforced brackets as required to suit the shutter width and fire resistance,
OperationVia geared electric motor with integral controlled descent mechanism for connection in to the building alarm system with back up fusible link unit, rotary limits, emergency hand chain for raising the shutter and push button starter with open/ stop/close controls requiring electrical supply of 415/400 volt, 3 phase, 50 hertz. Electrically operated products are CE marked.
FinishGalvanised to BS EN 10346 with a protective hot dipped zinc coating of 275g/m2 finished to a normal spangle, with one coat black primer paint on nongalvanised surfaces. A polyester powder coat paint finish is available at additional cost
Fire ResistanceAssessed for up to 4 hours fire resistance, integrity and stability to BS476 part 22 by Exova Warrington Fire, WF Assessment report No 349018
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