The irc sub chapter r801 3 roof drainage requires in areas where expansive or collapsible soils are known to exist all dwellings shall have a controlled method of water disposal from roofs that will collect and discharge roof drainage to the ground surface at least 5 feet 1524 mm from foundation walls or to an approved drainage system.
R801 3 roof drainage.
Specifically does the irc prescribe gutters as a controlled method of roof drainage when a home is built on a slab on grade foundation.
As in gutters required in areas where expansive or collapsible soils are known to exist all dwellings shall have a controlled method of water disposal from roofs that will collect and discharge roof drainage to the ground surface at least 5 feet 1524 mm from foundation walls or to an approved drainage system.
R801 3 roof drainage in areas where expansive or collapsible soils are known to exist all dwellings shall have a controlled method of water disposal from roofs that will collect and discharge roof drainage to the ground surface not less than 5 feet 1524 mm from foundation walls or to an approved drainage system.
The international residential code addresses roof drainage in section r801 3.
So how about roof drainage.
A close look at the code will answer this important question.