Joining Unequal Gable Roof Heights

Joining two roofs of different pitches.

Joining unequal gable roof heights.

The gable roof on the porch addition was framed with a dropped structural ridge supporting the common rafters above. Another by product of this roof configuration is varying soffit heights and widths which require further design decisions. In the pop up menu then choose calif ranch from the roof style pull down menu. This is to let the common rafter fit in between later.

Gable roof plate top layout. Where roofs of unequal pitch join it requires careful layout to create equalwidth soffits with equal height fascias. We are the professionals for the future of the craft of carpentry. Unequal pitch roof trigonometry calculating unequal pitched roofs is easy if you know what.

This first video shows how the finished roof planes in off angle roof construction will look when completed. The piece that allows us to join the two different slopes is the pitch transition trim. Drawing a superimposes the common rafters for the two roof pitches and illustrates the problem that occurs when roof layout starts at the outside edge of the exterior walls. To maintain a consistant ridge height in these situations the roof pitch must be adjusted.

John carroll takes the mystery out of it. Remove the shingles and underlayment on the edges of both pitches approximately 6 inches from the edges using a shingle. Select the 2 top faces. Unequal pitch roof intersections have always been head scratchers.

Draw a couple of attached boxes representing a main building plus a building extension. Choose ok to accept default parameters and generate the roof shown. The picture below shows the ceiling joist starts 50mm away from the brickwork gable wall. Identify the roof areas that you will join.

The framing required at the. Dedicated to the art of carpentery roof framing. The second joist should still be 600mm to the center and so on so that the plasterboard. Put on a pair of work gloves.

A gable roof is fairly simple geometrically but when two gable roof lines intersect the geometry gets more complicated. How to frame join two gable roof lines. Choose plugins instant roof make roof. This allows water to flow off the upper panels out over the trim onto the lower panels and exits the roof at the eaves.

Major rafter pitch or major pitch angle minor rafter pitch.