Portal frame system in photographs

A typical building with side door and PA door in gable wall

Building with front gable garage door

Building with garage door in every side bay requires an additional framing as the cross bracing cannot be used.

Multipurpose building

Multipurpose building - a car wash

A typical double garage

Assembly with scissor lift

Purlins and side railing is tek screwed to the column and rafter profiles. This connection provides rotational stiffness in it's plane and contributes to the stiffness of the building.

An alternative connection of gable railing

Eave and Apex brackets are used to connect columns and rafters, bolts are M16, 8.8 grade. Thicknesses vary from 2 mm up to 3 mm (maximum is 4 mm but only for C400 profile).

Moment resisting eave connection and bespoke Eave purlin.

Detail of side railing and gable posts (mullions)

Top hat profiles do sleave but require a special treatment.

Portal frame is clad either with single skin cladding of thickness 0.5 - 0.7 mm or composite sandwich panels of thicknesses up to 150 mm. Secondary structure, like purlins is made of top-hat purlins or railing. Cross bracing is either strap profile or Cee profile an Angle.

Single skin cladding

Multibay building

 

Rooflight.

Mezzanine

Steeper roof

Gable frame of a monopitch building. Gable railing spanning over mullion.

Large glass windows require minimized deformations of the frame.

 

Detail of drip flashings

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