How To Attach Roof Trusses To Top Plate

The beam extends to the far end of the roof hanging over the trusses still sitting there.

How to attach roof trusses to top plate.

See photo at right the truss rafter is then fastened to the post with nails or bolts. 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. Toenail a truss into the top of the wall plate by nailing through the sides of the bottom chord at a 30 degree angle. Most building codes require hurricane tie brackets to attach the truss in place to secure it against high winds.

In order for all the roof components to work they must be square parallel level and fixed down properly. As with rafter style roofs toenailing is one of the most common ways of attaching a truss style roof to a wall plate. For additional information the simpson strong tie high wind resistant construction application guide f c hwrcag offers a variety of options to resist roof uplift forces. After setting the second truss in the same manner workers attach a ridge beam to the peak of both trusses.

Walls that are constructed of concrete block that need to be covered with a roof will require the use of a ledger. They are cut to the same length as the brickwork they sit on a half lap joint is great for the corners to be fixed to. The trusses are then bolted or nailed to the glulam structural post. A ledger is a horizontal board that is attached to the top of the the wall.

The ledger is needed to properly attach the perpendicular roof trusses to the top of the structure. Trusses rafters rest on a notched post another method employed by some contractors is to notch the structural post at the top and place the trusses or rafters on top of the notch. Will all be fixed to them. The connection between the trusses and the wall top plate is essential to the strength of your new roof.