How To Erect Roof Trusses

Steel frames are temporarily earthed during erection and are connected to permanent earthing system upon completion.

How to erect roof trusses.

Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. It can be nailed temporarily to each truss as the next truss is put in place. This video illustrates each step in safely erecting roof trusses as well as related topics like risk management falls protection and manual handling. Sheathing added on top of the trusses will provide final support to the roof trusses.

The overhang will depend on the size of the building or house and the pitch of the roof. The erection crew has been appropriately trained and instructed on roof truss inspection to identify any obvious defects before erection or reliance on other components of the truss for support. To hold them up until the decking of the roof is placed on top a 12 foot 1 inch by 4 inch piece of lumber is used. Workers manually move the first truss to the end of the roof and stand.

When all the trusses are installed and the first row of decking is on this brace is removed. Usually trusses are put 24 inches apart. The availability of the erection crew to lift and manoeuvre trusses in to place has been considered. Location of roof trusses for hip and valley roofs are set out on wall top plates to plan layout and specifications.