Roof Truss Wall Plate Detail

If the truss bundle is to be stored for more.

Roof truss wall plate detail.

Metal plate connected wood trusses hib 91 by permission of truss plate institute inc. 610 mm maximum because the top plate is loaded in its weak direction. The wide variety of possible roof and floor truss designs and combinations is illustrated by figure 1. End walls may be truss framed with field assembled stud infill prefabricated in.

In scotland 100mm x 25mm wall plates should be used in long lengths butt jointed. Plate a horizontal wood framing member typically the top and bottom 2x4 members of a stud wall and the 2x6 sill plate bolted to a concrete wall for floor structural attachment. To fix the joists and rafters down on to the wall plates they should be toe or skew nailed to the top plate like below. However anchor bolt spacing must be reduced 24 in.

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. Wall plates should be joined using half lapped joints at corners and in running lengths. If trusses are stored horizontally the blocking should be eight to ten foot centers to prevent lateral bending. As an alternate to the roof truss anchor a bolted top plate may be used for the roof to wall connection see figure 5.

A truss frame consists of a roof truss and a floor truss joined by exterior wall studs. Joist attachment per detail 1b load bearing wall above shall align vertically with the wall below. As with rafter style roofs toenailing is one of the most common ways of attaching a truss style roof to a wall plate. I joist construction details performance rated i joists in floor and roof framing truss.

Engineered roof trusses wi overhang roof apron gutter downspout system cont 2x8 rough fascia. 1k 2x plate flush with inside face of wall or beam. Trussed rafter roofs and traditional cut roofs should be supported on timber wall plates. Toenail a truss into the top of the wall plate by nailing through the sides of the bottom chord at a 30 degree angle.

Wall plates should generally be in lengths of not less than 3m but shorter lengths should extend over at least 3 joists rafters or trusses.