How To Attach Roof Trusses To Top Plate

A ledger is a horizontal board that is attached to the top of the the wall.

How to attach roof trusses to top plate.

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. Another great way of attaching the truss end to the top wall plate is to use a simpson fastener shown in the picture above which you can find at your local lumber store. The ledger is needed to properly attach the perpendicular roof trusses to the top of the structure. 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.

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. The trusses are then bolted or nailed to the glulam structural post. See photo at right the truss rafter is then fastened to the post with nails or bolts. Some building codes around the country require the use of a hurricane tie also shown above to add extra reinforcement for holding down roof trusses in the event of very.

Getting the wall plates or top plates as they are sometimes called right is important because all the ceiling joists roof rafters hips etc. After setting the second truss in the same manner workers attach a ridge beam to the peak of both trusses. Will all be fixed to them. Toenail a truss into the top of the wall plate by nailing through the sides of the bottom chord at a 30 degree angle.

As with rafter style roofs toenailing is one of the most common ways of attaching a truss style roof to a wall plate. Walls that are constructed of concrete block that need to be covered with a roof will require the use of a ledger. 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. In order for all the roof components to work they must be square parallel level and fixed down properly.