Pitch For Earthship Roof

I also share a little about why we did not build an earthship as we had planned because of the climate here.

Pitch for earthship roof. On blue prints architects engineers usually display the pitch of a roof in the format shown on the image where number 4 represents a rise and number 12 represents a length. How roof pitch determines suitable roofing systems. The graphic below helps flesh this out. Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof.

This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7. The combination of two numbers are used to display or show the roof pitch. A a roof with a 6 rise for every 12 run has a 6 per foot or 6 in 12 pitch.

Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot. Pitch is thus the ratio of the rise in inches to a 12 inch run and is often expressed using a semicolon for example 6 12. But here in wet southeastern ohio it is a major concern. According to the conventional rule of thumb this would require roof glazing to be about 60 degrees off the horizon 40 20 60.

For that reason flat roofs are limited to these types of covering materials. Since earthships were born out in the desert southwest i suspect the folks out there didn t give it much thought. In the video above i explain the importance of roof pitch when it comes to snow. In the video i also explain why the chimney and vent pipes should be located close to the roof s ridge.