If a lot of trusses are damaged or one has been significantly modified or cut then consulting a engineer is wise.
Repairing damaged roof trusses.
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.
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 first thing you need to do is to assess the damage.
Secure evenly across the board with wood screws.
Standard repair detail for damaged or missing plates on a gable stud.
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.
These trusses are usually engineered by a structural engineering company to carry a specific roof load.
It takes many nails to equ al the capacity of a typical connector plate.
Apply the second patch to the other flat side of the truss and in line with the first patch.
Standard repair detail to pad top chord to match roof plane 2 1 2 minimum.
When a truss becomes damaged cut or modified there is a chance of a structural overload or that they will not perform properly.
Four main trusses were damaged in the fire along with a couple of others.
The engineer s recommendations were specific.
Standard repair detail to replace a missing stud on a gable truss.
Sometimes structural screws are also used for truss repairs.
Standard repair detail to replace a missing stud on a gable truss.
When using nails to joint truss members it is also necessary to use lumber plywood or oriented strand board osb to join the members.
The trusses are covered with plywood and then dried in.