Modifying roof trusses my client wants to add a 16 inch wide 4 inch deep tray ceiling in a room where the drywall ceiling is attached to the bottom chord of roof trusses.
Modifying engineered roof trusses.
One use of trusses is for the support of a roof they are similar to roof rafters.
You can modify the trusses but it s an enormous amount of work.
Measure the width of the truss.
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To do this i d have to cut out and raise the bottom chords of the trusses.
Mark the lower.
These trusses are usually engineered by a structural engineering company to carry a specific roof load.
When a truss becomes damaged cut or modified there is a chance of a structural overload or that they will not perform properly.
How to modify roof trusses.
Measure in from each side wall a distance equal to 1 4 of the total width of the truss.
If you live in a house with engineered manufactured trusses then don t mess with them.
I think you ll find that this type of renovation will be extremely expensive and time consuming.
If you really want to modify the framing of your attic and roof then consult with a licensed professional structural engineer.