Repairing Damaged Roof Trusses

The roof truss will regain its strength with the repairs.

Repairing damaged roof trusses.

Standard repair detail for damaged or missing plates on a gable stud. It takes many nails to equ al the capacity of a typical connector plate. Four main trusses were damaged in the fire along with a couple of others. When using nails to joint truss members it is also necessary to use lumber plywood or oriented strand board osb to join the members.

If the roof truss has a small crack you will be using the two wooden boards to patch it up but if the crack is much more severe you should use the steel plates because they offer much stronger support to the damaged truss. Apply the second patch to the other flat side of the truss and in line with the first patch. The first thing you need to do is to assess the damage. The trusses needed to be lifted to their original height and cut flush with the inside face of the cmu wall with the rotted sections removed.

Standard repair detail to replace a missing stud on a gable truss. Inspect and assess the damaged section of timber and determine where it needs to be cut to prop the timber along it s length using suitably sturdy props such as acro props once supported cut off the damaged end leaving only solid un damaged timber now. The trusses are covered with plywood and then dried in. Standard repair detail to pad top chord to match roof plane 2 1 2 minimum.

Standard repair detail to replace a missing stud on a gable truss. An engineer was called in to assess the damage to the trusses and we were called in to do the structural repair to the trusses. Secure evenly across the board with wood screws. The engineer s recommendations were specific.

When a truss becomes damaged cut or modified there is a chance of a structural overload or that they will not perform properly. Sometimes structural screws are also used for truss repairs.