Roof pitch defined and explained.
Shallow roof pitch solutions.
Or the colon can replace the slash as in 2 12 or 7 12.
Marley mendip this tile can be laid to a minimum of 15 provided that the headlap is 100mm and you choose a smooth finish tile.
The following roof tiles can be used on roofs with a pitch of no less than 15.
For the smaller residential low slope roofing applications such as garage and porch transitions certainteed offers an excellent solution in our flintlastic sa self adhering sbs modified bitumen roofing system.
A roof slope of 7 12 is also good and can provide the additional benefit of helping minimize the effects of wind driven rain.
Pitch is the term used to describe the angle slope or slant of your roof.
Granular coated tiles are only suitable for pitches above 17 5.
A 2 12 roof slope falls on the shallow end which means you ll need to choose your roofing material carefully.
The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12.
To resist thrust the irc calls for a structural ridge required for any roof with a pitch less than 3 12 or for each pair of rafters to be securely connected to each other by a continuous ceiling joist r802 3 2006 irc.
Rafter ties and shallow pitch roofs framing.
If your home has a shallow roof pitch you ll find that your options are fewer.
Roof pitch designations are comprised of two numbers indicating a ratio.
Good roofing choices will make the difference between a watertight roof and one that quickly fails.