Framing A Gable Roof Into Existing Roofline

Butt the first new truss against the old one.

Framing a gable roof into existing roofline.

To transition the eaves the horizontal fascia extends to the last rafter tail and a vertical return finishes the transition. In a standard gable roof the ridge. Once the trusses soffit and fascia are in place lay the roofing felt in place. They have two sloping sides that come together at a ridge creating end walls with a triangular extension called a gable at the top.

The ends of the shed rafters. Adding on to a house or structure is a great way to get more room without building an entire new house. The house shown here has two gable roofs and two dormers each with gable roofs of their own. Now you can begin shingling your roof preferably with asphalt shingles.

Nail the shingles to the felt starting from the outside in and cutting to fit when you reach a corner or edge. There are several important things to know about matching existing roofs and how to do it depending on what style of roof you have the roof truss design and how you want to add on. The ridge board is the horizontal framing member that defines the roofline in a gable roof. Gable roof nancy andrews.

Then mount new trusses on the new addition walls. It extends from one gable end to the other at the peak of the roof. At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing. Tying in to an existing gable roof tie into the end of an existing gable roof by removing existing facing boards wall siding and any other obstructions back to the first truss of the old roof.

Nail the trusses into the existing room fasteners. Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes.