A roof slope of 7 12 is also good and can provide the additional benefit of helping minimize the effects of wind driven rain.
Shallow roof pitch solutions.
Granular coated tiles are only suitable for pitches above 17 5.
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.
If your home has a shallow roof pitch you ll find that your options are fewer.
Roof pitch defined and explained.
However from the wind uplift mitigation perspective a 7 12 roof slope can be considered as a two story building due to the higher overall steepness and profile of the roof.
Or the colon can replace the slash as in 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.
Q a rafter ties and shallow pitch roofs.
The following roof tiles can be used on roofs with a pitch of no less than 15.
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.
Roof pitch designations are comprised of two numbers indicating a ratio.
The best roofs for a 2 12 pitch.
Rafter ties and shallow pitch roofs framing.
Pitch is the term used to describe the angle slope or slant of your roof.