Roof Framing C Purlins Trusses

Timber frame truss and purlins.

Roof framing c purlins trusses.

When they are in hangers the load stress in on the purlins edge but the lateral stress allows the trusses to move independently. Pre welded purlin cups predrilled bolt holes and included mounting hardware for fast easy installation. C channel purlins are manufactured from hi tensile zinc coated steel strips the processing is cold rolled by machine the steel standards of c channel are q195 235 345 which is meaning the yield strength no less than 195 235 345mpa the zinc coating is 60 275g m coating mass. We provide angle iron steel trusses in gable lean to and header styles.

Stock sizes include gables from 20 to 40 wide and lean to styles in 12 and 20 wide. Trusses most likely on 8 s. Purlins placed flat will not span eight feet so eliminates this option. They can also be made out of wood or steel.

An added benefit are the strong lines that purlins create by running parallel to the ridge beam s. Purlins 24 spacing mike the pole barn guru writes. To put it simply purlins are the horizontal roof members of the roof frame.