Truss Roof Framing Details

It can take various forms and often used for aesthetic purposes adding height and focal interest to the ceiling.

Truss roof framing details.

The steeper the roof the more expensive the trusses get because the longer the boards get and the more roof area increases. The framing style of the roof refers to the actual components of each roofing truss and the design of the structural foundation of that roof. End walls may be truss framed with field assembled stud infill prefabricated in. Partially these will depend on the style of roof you ve selected but you ll also have some wiggle room depending on the design elements of the house.

The first approach to achieving a strong durable struc ture involving economical use of materials is to follow a basic modular plan for layout and attachment of framing members. The wide variety of possible roof and floor truss designs and combinations is illustrated by figure 1. A complete load path from peak of roof to the foundation is required r301 1. Look at this photo of the space created by attic trusses at my home.

You will also incur additional costs because it is much harder to deck and shingle a roof that is 12 12 pitch versus a 4 12 roof. It is often used in simple roof trusses such as in the shed porch and garage. Such methods use a 4 foot design module which governs a 16 inch spacing of joists studs rafters. Trademark construction jmw truss and ace trucking provide full service rough framing coupled with panelized walls open web floor and roof truss systems throughout arizona central and southern california.

Our unparalleled commitment to excellence in our engineering design and sales offices in california and arizona offers full service. Choose the design of the roofing trusses. Floor truss cantilevers often support load bearing walls carrying roof live loads and wall material dead loads. A pitch truss with a sloping or non sloping vertical interior ceiling detail.

Details for conventional wood frame construction. I have this above my own garage. This is the distance between trusses. Wood construction data 1.

Construction documents shall be of sufficient clarity to indicate the location nature and extent of work and show in detail that such work conforms to the provisions of the code r106 1 1. This type of truss is perfect for the dining room living room great room and kitchen. A truss frame consists of a roof truss and a floor truss joined by exterior wall studs. The chart at left provides a convenient means of determining an equivalent concentrated load for representative roof loads which incorporate a 15 load duration factor for the roof load only.

If the roof slope is steeper than 9 inches in 12 inches of run it doesn t take much width to end up with a nice room 12 feet wide with an 8 foot ceiling.