Regular asphalt shingles and standard skylights will work at pitches of 4 12 or greater but at lower pitches you have to use different materials.
Roof edge low slope roof.
Metal roofs have turned out to be problematic in our area.
A roof that is nearly flat or slightly pitched is called a flat roof or low slope roof no roof should be dead flat because it must have at least a slight slope to drain.
Extend the front edge of the drip edge so it runs off the roof and into the guttering.
This rules out steel and aluminum roofing.
Based on the field of roof pressure psf kpa in a simple to use format the designer is provided corresponding data for fastener spacing and the perimeter fastener load.
For a slope below about 3 12 metal must be fully soldered in places that get snow and ice.
Attach drip edge along the edge of the roof with roofing cement.
If you don t place the drip edge properly.
A low slope roof is one that has a slope of less than 3 in 12.
The most recent of these documents the ansi spri ed1 design standard for edge systems used with low slope roofing systems which became ansi approved june 3 rd 2019 a designer is presented with tables a6 and a7 which provide nailer attachment fastener loads for buildings above and below 60 in height.