NBS Source
Ridge Bridging

Application

Suitable for installation at roof apex.

Description

Ridge Bridging or Ridge Tie Bridging is an adjustable roof bridging system compatible with Metroll purlins and girts. It is one of the typical Met-lock roof bridging assemblies with features including:

  • Fast installation.
  • Robust, straight and true.
  • Hook centres to match holes in purlins and girts.

General information

Material

Steel.

Uniclass 2015

Pr_20_76_51_21 Cold-formed galvanized steel sections

Primary

SpecPack

05400 Cold Formed Metal Framing

NATSPEC National Classification System

0342 Light steel framing

SpeedSpec

05400 Cold Formed Metal Framing (Load Bearing)

Specification data - Cold-formed galvanized steel sections Enhanced data

Primary components

Turnbuckle length ranges from 270 mm to 420 mm. Channels are 70 mm (width) x 30 mm (flange), cut to length and with holes at each end. Each component is fastened to clamp ends or end brackets.

Turnbuckle.

Turnbuckle with plain channel.

Channel with swivel ends.

Cranked tie rod.

Ancillary components

Clamp ends as standard. Bolted end brackets should be used if cranked tie rod is set as primary component.

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Primary

Refers to length of primary component.

Turnbuckle length ranges from 270 mm to 420 mm. Channels are cut to length.

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Secondary

Refers to length of secondary component. Clamp ends are available in the following widths:

  • 65 mm (size 100)
  • 110 mm (size 150)
  • 140 mm (size 200)
  • 190 mm (size 250)

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Literature

Megaspan Purlins and Girts Design Manual

Megaspan Purlins and Girts Design Manual