A girder truss is designed to support other secondary roof supports.
Roof truss lattice girder truss.
The belfast truss is a cross between the town s lattice truss and the bowstring truss.
North light roof truss have a wide set of lattice girders that include support trusses.
The main uses are.
Using these structures in roof design eliminates the need for a load bearing wall below resulting in open floor plans.
The terms are generally applied to the planar truss.
North light truss is the oldest and most economical kind of truss.
These are found in industrial buildings drawing rooms and large spaces with a span of 20 30 meters.
It was developed in ireland as a wide span shallow rise roof truss for industrial structures.
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Girders may also be designed to accommodate special applications or designs.
Girder trusses are designed to carry additional loads other than standard roof loads.
Buildings constructed in l or t shapes use girder truss systems where the roof changes direction.
Mctear co of belfast ireland began fabricating these trusses in wood starting around 1866.