Roof Truss To Wall Connection

This connection is used at the top of concrete masonry walls or when a change in wall thickness provides a ledge with sufficient bearing area as shown in figure 1.

Roof truss to wall connection.

To determine the appropriate connection method the minnesota building code provides two options to builders using wood trusses in roof construction. Determining which truss or rafter is the girder may require a trip into the attic. Consequently for gable end roofs the most important roof to wall connections are those within 6 to 8 feet of the outside corners. Toenail a truss into the top of the wall plate by nailing through the sides of the bottom chord at a 30 degree angle.

When the trusses are oriented parallel to the wall the simplest method of connecting a braced wall panel to the roof floor system above is to frame and sheath the wall up to the roof floor deck above and attach the roof floor sheathing to the double top plate of the braced wall panel with 6d common 0 113 x 2 0 nails at 6 on center as shown in figure 3. An important aspect of the construction of any building is the connection between the roof and the walls. The other method is to use readily available connectors. The truss designer is responsible for the former and the building designer is responsible for the latter.

Benchmark the shear capacity of roof to wall connections load direction parallel to wall assembled with hand driven common nails pneumatic nails and a combination of pneumatic nails and light gage steel roof clips using full scale roof assembly tests and individual connection tests. A truss to truss connection and a truss to everything else except a truss connection. For hip roofs the code specifies that hip and girder rafters or trusses be connected to exterior wall plates. One such example is the truss to wall connection.

To answer this question it helps to recognize there are two types of connections. One method is to use toenails. Center the truss side to. How to connect trusses to the top plate step 1.

The retrofit of roof to wall connections can be made by access through the area under the eave from above through the roof or from the interior of the house. Stand the first truss on the end of the wall flush with the outside end of the wall. Although the forces occur at the same placed on hip roofs the roof structure is such that it is the very corner truss or rafter called the jack that needs to well connected. Pocket connection a pocket connection consists of framing the floor or roof system into a void in the masonry wall.

As with rafter style roofs toenailing is one of the most common ways of attaching a truss style roof to a wall plate.