Attic Truss Bracing Details

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.

Attic truss bracing details. 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. In order to create an attic truss certain conditions must be met in the plan. Trusses which are not braced or which are not braced correctly are subject to toppling over or collapse. Truss diagrams generally show the locations where bracing is required.

Wind or wall bracing this bracing is installed in the roof in addition to the truss stability bracing and its purpose is to stabilise the gable walls under the action of wind loading. 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. Smaller structures that are sheathed in metal or osb require less bracing assuming proper truss connection details are used. 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.

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. Roof truss repair details. Flat coastal fringes fens airfields and moorland. 7 2 9 bracing for trussed rafter roofs trussed rafters shall be suitably braced to support applied loads and self weight without undue movement.

Contact mitek engineering support for any questions. Some truss manufacturers will also note basic details of bracing such as bracing size 1x4 2x4 and even nailing to webs. Plumb risevertical overall measurements at the end of a truss where the top and bottom chords meet. 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.

Truss stability bracing this is permanent bracing which holds the trusses upright straight and prevents any out of plane buckling of the members. Bracing of trusses is extremely important. View the following detail guides. As spans increase bracing becomes even more critical.

It is very important that the contractor or homeowner responsible for truss erection read through all documents inside the job packet. Plumb cuttop chord end cut to provide for vertical plumb installation to fascia face trim board.