Roof Truss Interior Walls

Residentiall roof trusses are designed to bear only on the exterior walls at each end of the span.

Roof truss interior walls. But there are five possible exceptions to look out for. 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. It appears the best solution is to build interior walls below the ceiling framing line then use a simpson strongtie stc roof truss clip which keeps the trusses in alignment while allowing for vertical movement of the roof truss. 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.

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. The drawing below shows both a truss uplift clip a couple of ceiling drywall clips. Also someone mentioned that they nailed where trusses were bearing on interior walls. Most simple construction truss roof home s roof and trusses are supported by the exterior walls perpendicular to the trusses.

Engineered roof truss systems may be designed to eliminate the need for load bearing walls or change where the bearing walls are located. Unless this is a designed and designated bearing point no interior walls should have trusses even touching the top plates at all. 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. We usually build on the exterior walls set the trusses and do all of the chord blocking and truss bracing before buildin.