So the answer is the depth of the joist from the support.
Solution to damage joist roof framing.
Learn how to fix and renovate damaged wood framing components used to structurally support floors walls roofs and ceilings.
There are two common ways of framing the roof of a house.
Cantilevers beyond this distance need to be engineered.
Sistering does not reduce headroom a.
The same is true for wood i joists.
If a lot of trusses are damaged or one has been significantly modified or cut then consulting a engineer is wise.
The technique also helps shore up damaged or undersized joists.
With premanufactured trusses or with rafters and ceiling joists commonly called stick framing.
These trusses are usually engineered by a structural engineering company to carry a specific roof load.
Engineering projects like these won t always be easy to do and might require experienced on the jobsite professionals get some great ideas about your next home addition remodeling project.
If your home s structure needs some additional support the best solution may be to double down on the joists meaning we will add sistering joists to the structure.
While truss roofs are the most popular construction style today by some estimates truss roofs outnumber stick frame roofs two to one there are regions of the country where builders.
Either framing lumber or strips of 3 4 inch plywood may be used for the sister joist.
When a truss becomes damaged cut or modified there is a chance of a structural overload or that they will not perform properly.
This solution provides your home with increased stability and will restore structural integrity to floor joists that have been damaged by moisture.
Find out what s going to work best while saving you money by watching some of.