Roof Truss To Top Plate Connection

Several connections are required to create a continuous load path starting with a hurricane tie or structural fastener connecting the roof framing to the top plates.

Roof truss to top plate connection.

More specifically section r802 10 5 states in part. Simple strong and effective. Residential code irc requiring roof trusses to be attached to the top plate s of load bearing walls with connectors capable of resisting an uplift of at least 175 lbs. Hip end connection for low wind area wind classification n1 n2 n3 or c1 connection of jack creeper and hip trusses at a hip end roof for design wind speed n1 n2 n3 or c1 shall be in accordance with the details shown.

As an alternate to the roof truss anchor a bolted top plate may be used for the roof to wall connection see figure 5. Ledger to rim. Most building codes require hurricane tie brackets to attach the truss in place to secure it against high winds. Ledgerlok structural wood screw.

Although not always required best practice and simplicity make them a necessity. The values in table 1 can be used by a licensed design professional to determine suitability of this fastener in a truss or roof joist to top plates wall connection. They work by creating a connection right at the 90 degrees joint of the truss and top plate. The strong drive sdwc truss screw provides a stud to bottom plate or stud to top plate connection as well as fastening trusses and rafters to top plates.

The detail illustrates several different connector types that are commonly used. These details are suitable for a maximum truncated girder station of 3600mm. Trusses to top plate. Metal plate truss connectors must be able to transfer wind forces on the truss top chord.

Timberlok structural wood screw. High wind zone exposure b wall connection at load bearing walls. For attaching rafter or trusses to the top plate landscape timbers fences decks headers stair stringers and more. The connection between the trusses and the wall top plate is essential to the strength of your new roof.

Trusses shall be connected to wall plates by the use of approved connectors having a. 610 mm maximum because the top plate is loaded in its weak direction. The full threaded shank engages the entire length of the fastener providing a secure connection. However anchor bolt spacing must be reduced 24 in.