How To Attach Roof Trusses To Wall

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.

How to attach roof trusses to wall.

Use screws to secure the rafter to the sill plate. The ledger is needed to properly attach the perpendicular roof trusses to the top of the structure. The positioning of your rafters will depend on the pitch of the porch roof. Walls that are constructed of concrete block that need to be covered with a roof will require the use of a ledger.

The beam extends to the far end of the roof hanging over the trusses still sitting there. Install the second truss in the same way 24 inches along the wall from the first truss. Joist hangers can help you mount each rafter to the house. 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 strong winds.

A ledger is a horizontal board that is attached to the top of the wall. After attaching your truss make sure it is plumb before proceeding to the second one. After setting the second truss in the same manner workers attach a ridge beam to the peak of both trusses. Nail a long 2 by 4 to the underside of the rafter on the opposite side of the truss from your diagonal brace so that it extends along the length of the roof passing through the second truss.

Use bracing to keep the trusses in place as you work your way across. As with rafter style roofs toenailing is one of the most common ways of attaching a truss style roof to a wall plate. The porch roof may match the pitch of your home or have a more shallow roof pitch.