Joining Two Metal Roofs With Different Pitches

The difference is only you have to fit rafter material or scrap or plywood at the back of common rafter in the section where both roofs meet.

Joining two metal roofs with different pitches.

First we should establish the pitch of both roof planes. This allows water to flow off the upper panels out over the trim onto the lower panels and exits the roof at the eaves. The piece that allows us to join the two different slopes is the pitch transition trim. By john carroll download the pdf version of this article.

Joining two roofs with different pitches is a method that exists in the building and construction world. We ll start with the knowledge that the main roof has an 8 12 pitch. 489 78 kb my business partner and i recently added a large screened in porch with a gable roof onto a client s home. The guide on how to join two roofs together in different heights is more or less similar to the steps on joining two roofs with similar pitch.

Joining these two roofs poses two main challenges. Place the 2 by 4 inch piece of lumber along the center of the flashing. Slide the flashing under the highest roof pitch first and followed by the lower pitch. Joining two roofs of different pitches.

We re going to install it over top of the panels that have already been installed on the lower slope. Slide the right edge of the flashing under the highest roof pitch. If by any chance right now you are looking for the information about how to join two roofs if they have different pitches here we will share all the information we know with you. How to tie a additions roof to existing roof roof designs to attach to existing home how to construct a roof from an exsisting shead how to attach a deck roof to existing roof how to add a roof over porch cost to tie into existing roof attache porch roof on house attach shed roof to house adding a roof to screened in porch adding a roof to existing.

This technique is beneficial particularly in home expansion. Position the flashing between the two roof pitches. By the way pitch is measured by picking any point on the roof place a level on it measure 12 out from that point this is called the run and then down to the roof surface from the bottom of the level this is called the rise to see how many inches the roof pitches over 12. The other is to get the fascias to line up.

This is where joining two pitched roofs together starts. Using your metal snips cut down the flashing after matching it with the measurement. As you can see from illustration the roof changes pitch at the porch from a 9 12 to a 3 12 pitch. The porch joined the house at right angles to a shed roof section.