Ibc Minimum Roof Slope

The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process.

Ibc minimum roof slope.

Roof slope 3 12. The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures. What kind of rain fall rates are you looking at. When required testing is in accordance with astm e108 or ul 790.

Ibc callouts for min 2 or 1 4 per foot. One fastener per tile. The code may still have a provision for hot mopped asphalt but i cannot see this being used in the middle east. If you are using a metal panel roof then you may need to go steeper.

The head of all tiles shall be nailed. Flat tile without vertical laps two fas teners per tile. The ibc table 1505 1 lists the minimum requirements for roof covering fire resistance classifications a b or c for all types of. Roof slope 3 12 and over.

I am looking at the ibc minimum roof slope requirement for standing seam metal roof. Minimum roof fire resistance ratings apply based on the type of construction and some building types do not require a fire rating. This means for every 12 horizontal units the roof must rise a minimum of 3 vertical units. Having a width not more than 16 inches.

2 exactly does not translate to 1 4 per foot. Only one fastener on slopes of 7 12 and less for tiles with installed weight exceeding 7 5 lbs sq. So typically we follow 2 slope is that meeting the code even if the slope is slight shy of 1 4 per foot. The ibc minimum required roof slope is 1 4 in 12 which is about 1 2 degrees for a membrane roof.