Attic Truss Bracing Details

For the purposes of this chapter the guidance and use of standard trussed rafter bracing does not apply to homes on or near exposed sites e g.

Attic truss bracing details.

View the following detail guides. As spans increase bracing becomes even more critical. Truss stability bracing this is permanent bracing which holds the trusses upright straight and prevents any out of plane buckling of the members. In the absence of a designed temporary bracing plan bcsi is the industry guideline for the generalized implementation of temporary bracing that framers must follow.

Some of these standard details may be sealed upon request. Smaller structures that are sheathed in metal or osb require less bracing assuming proper truss connection details are used. Purlins 24 oc are typical along with the bottom bracing shown. Plenum typically the use of the entire floor truss cavity formed by the floor above and the ceiling below as a supply or return air duct.

In order to create an attic truss certain conditions must be met in the plan. It is very important that the contractor or homeowner responsible for truss erection read through all documents inside the job packet. Plumb risevertical overall measurements at the end of a truss where the top and bottom chords meet. Roof truss repair details.

Bracing of trusses is extremely important. An attic trussis a type of roof truss with an open space at its bottom center to accommodate a living space with webbing above and on either side of this living space. Contact mitek engineering support for any questions. 7 2 9 bracing for trussed rafter roofs trussed rafters shall be suitably braced to support applied loads and self weight without undue movement.

Plumb cuttop chord end cut to provide for vertical plumb installation to fascia face trim board. Some truss manufacturers will also note basic details of bracing such as bracing size 1x4 2x4 and even nailing to webs. The ultra light multi brace delivers simple shipping handling on the ground and in the roof system assuring you of a safe and accurately braced roof system. Temporary bracing is a means and methods issue and is the responsibility of the contractor in accordance with the construction documents or the truss submittal package.

The mitek multi brace is the all purpose brace that satisfies virtually all of your permanent truss bracing requirements yet installs more quickly without adding costs. Truss diagrams generally show the locations where bracing is required.