Truss dimensions affect the need for central support.
Beam in attic for truss.
The roof system is stick built so there are no manufactured engineered trusses the ceiling joists are on 16 in.
A common misconception is that it takes little more than the installation of some decking over the attic joists to ready an attic for move in.
One of a series of diagonal members of the truss that meet at the apex in order to support the roof deck and its loads.
Roof truss parts explained.
Truss designs like attic exhibit relative uniformity in the lengths of the legs of the truss triangle.
Anyway i want to put a hidden beam in the attic but an engineering friend of mine recommended building a truss in the attic instead.
The role of the horizontal beam is to tie the truss together and carry the load that would otherwise be sustained by the support and vertical timber also known as the king post.
In many others.
Here is a little more info.
These types of triangles possess enough structural integrity to support weight without the need for a central support beam.
Sizing up the situation.
In some houses this may be the case.
Centers as well as the rafters.
Installing the beam is a two person job.