The four things you will need to know are.
Concrete roof drain detail.
And 4 area handled by each drain.
Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs.
Details and technical drawings of the flat roof drainage as downloads in the practical pdf dxf and dwg formats.
Type of roof design and materials.
Cutout hole size equal to outlet pipe outside.
Drain with inter ply parapro flashing.
Detail yard drain 410 stub out for roof and footing drain connections typ street catch basin yard drain w solid cover yard drain typ sidewalk and curb 2 1 6 5 4 yard drains to be constructed from concrete pipe in accordance with astm c 14 unless otherwise shown on the plans or noted in the specifications.
Scupper with paraflex 531 liquid flashing.
3 size of leader required.
Sumped roof drain with parapro flashing.
In addition to sizing factors the choice of roof drain is based on several considerations.
The zurn industries llc cad details below are complete drawings that can easily be downloaded customized for your residential or commercial project and included in your cad library for future use.
Copper hercules bur detail drawing dwg 637 27 kb copper hercules bur detail drawing dxf 568 36 kb.
Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley.
In general roof drains are spaced equally and are located in low points of the roof or in any areas where water accumulates.
Paraguard roof drain with paraflex 531 liquid flashing.
Zurn makes it easy to size roof drains.
Zurn industries llc roof drains and accessories cad details.
Alwitra flat roof details.
1 rate of precipitation.
Scupper with conductor head.
When sizing roof drains the limiting factor for the amount of water each drain will carry away is the size of leader therefore increasing.
Download free high quality cad drawings blocks and details of roof drains organized by masterformat.
Sumped roof drain with paraflex 531 liquid flashing.
Permaspan roof to roof detail drawing dxf 249 76 kb permaspan roof to roof detail drawing pdf 25 25 kb permaspan roof to wall expansion joint.
