2 Piece Attic Trusses Overhang For Deck

That makes the roof s span 40 feet.

2 piece attic trusses overhang for deck. Done all the time. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. Erick c 4 23 2017 11 47 00 pm reply. At the ends have the truss mfr make some dropped top chord outrigger trusses.

Extra support for the trusses can be made by placing a 2 by 4 inch piece of lumber from each truss on one side to the truss on the other side high enough to provide head room but low enough to provide support for the trusses. Say your house is 38 feet wide and the gable roof has a 1 foot overhang on each side. You also need to ensure that the joist spacing is adequate. 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.

If our example roof has only one beam it must carry half of the total load or 4 000 pounds. Attic joists for live loads. From the eaves to the peak it s 10 feet high that s the rise. Figure 10 40 and reduce that to 1 4.

It has a 1 4 pitch. In some houses this may be the case. Just as there are many types of roofs with many roof parts there are many different types of roof trusses this extensive article explains through a series of custom truss diagrams the different truss configurations you can use for various roofs. Attic joists that are made from 2x8s may be acceptable for building your attic floor but because every room is variable there are no absolutes.

In this situation the walls of a finished attic space or room would go with the roof line. These have their top chords dropped 3 5 or 5 5 so that you can run 2x4 s or 2x6 s over those chords to support the overhang. Joist dimensions are only part of the equation. The recently completed 16 by 24 foot building has 2 4 walls and a roof with a 2 10 ridge and 2 6 rafters.

If one side of the roof is supported by the house and the other side is supported by the beam divide the total load by two as the beam is only supporting half of the roof. How can southern pine have less allowable overhang at 12 o c. Does it mean to say 4 1 overhang at 12 o c. In many others.

2 overhang is usually no problem obvioulsy pending loads involved. Floor truss system 42 modified warren configuration mono trusses scissors mono mono parts of a truss framed roof gable end valley set gi rde t u s dutch hip girder dutch hip framing stepdown hip framing end jack stepdown girder stepdown truss c om n truss 2141 james d hagood halifax va 24558 434 572 1379. It was only after the building was up did leom realize he hadn t figured in the added weight of the lumber on the ceiling joists. That makes absolutely no sense.

2x6s are there to keep the 2 6 rafters from spreading he writes.