There is also details for drywall attachment on the ceiling not securing the rock anywhere from 12 to 18 away from the interior wall ceiling intersection so the truss can lift the drywall floats and the joints don t.
Roof truss interior walls.
But there are five possible exceptions to look out for.
Residentiall roof trusses are designed to bear only on the exterior walls at each end of the span.
So far no one has mentioned the simpson floating truss clips which are used to keep your interior walls staight but allow the trusses to float above the interior wall plates.
1 when the home has an l or t shape there may be an interior bearing wall under the intersection of the perpendicular rows of trusses.
Unless this is a designed and designated bearing point no interior walls should have trusses even touching the top plates at all.
Also someone mentioned that they nailed where trusses were bearing on interior walls.
We all need to be using both.
Engineered roof truss systems may be designed to eliminate the need for load bearing walls or change where the bearing walls are located.
With your trusses spanning the exterior walls for the full run of the house no interior walls will be load bearing the splices on trusses are engineered to be self supportive according to the plate sizing the fact that they land over an interior wall has nothing to do with that wall being load bearing trusses are engineered to span exterior wall to exterior wall self supporting.
The drawing below shows both a truss uplift clip a couple of ceiling drywall clips.
Photograph the trusses draw them to scale take the pictures and elevation plan of the trusses to a reseller lumberyard and ask would a new truss like that be a clear span design if yes you can remove the wall use floating slotted clips between the top plate and truss bottom cord to reduce drywall cracking.
Most simple construction truss roof home s roof and trusses are supported by the exterior walls perpendicular to the trusses.