Low Slope Roof Requirements

Regardless the international building code ibc chapter 15 includes the following requirements for minimum slopes for metal roof panels.

Low slope roof requirements.

Low slope roofs in climate zones 1 3 are required to meet minimum roof reflectance and emittance provisions sometimes referred to as cool roofs. An ssr may be installed on a roof down to 1 4 in. As well a slope of 4 12 is most commonly considered the lowest slope for standard shingle installations. During this test the roof panel system is completely submerged under six inches of water for.

Lapped nonsoldered seam metal roofs with applied lap sealant must have a minimum roof slope of 1 2 12 4 slope. The roofing safety zones. The standard of lower pitch actually ranges between 1 12 to 5 12. Personal fall protection systems e g personal fall arrest travel restraint positioning system 42 inch high parapet.

Minimum roof slope roof pitch r905 10 2 1. Lapped nonsoldered seam metal roofs without applied lap sealant must have a minimum roof slope of 3 12 25 slope. The minimum pitch is typically 3 12 meaning the roof should rise 3 inches for every 12 inches of horizontal foot. On 12 2 slope.

Low slope metal roof systems are tested to astm e2140 standards a water penetration test evaluating the resistance of roof panels vertical seams. Anything above that will require you to put out higher cost because they are already considered as higher pitch.