Overlapping Gable Roof

Learn how to overlap gable trim on a metal roof.

Overlapping gable roof.

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. A basic rule of thumb for installing metal roofing is that the piece of roofing higher up on the slope should always overlap the one below it. This helps to prevent water infiltration. Variations of a gable roof open gable roof a hip roof on a square structure where all sides join to form a single peak.

Measure 1 1 2 inches in on the wall cap and draw a line with the square across the cap board. Mark the walls on gable sides using a ladder a tape measure a speed square and a pencil. Adding on to a house or structure is a great way to get more room without building an entire new house. Step by step gable and rake trim installation instructions that specifically cover how to overlapping gable.

Start at the back end of one gable. Measure 23 1 2 inches in and make a second line to mark the outside of the second truss from the end. Butt the first new truss against the old one. 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.

Also known as a pyramid. Gambrel roof a multi sided.