Roof penetrations such as pipes require a minimum clearance of eighteen inches from valley waterways, walls, curbs, and other projections. Penetrations must also maintain an eighteen-inch minimum separation distance from each other.
18" MIN. 18" MIN. 4" 18" MIN. 4" CURB WALL NOTE: ALL PENETRATIONS SHALL BE LOCATED A MIN. 18" OUT OF VALLEY WATERWAYS, AS WELL AS A MIN. 18" FROM OTHER PENETRATIONS OR PROJECTIONS, SUCH AS PIPES, WALL, CURBS, ETC.
Members view this detail in full resolution, download the CAD files (SVG, PDF), and can adapt it in the built-in CAD editor — export DXF, DWG, or PDF.
Start membership