When sizing roof drains the limiting factor for the amount of water each drain will carry away is the size of leader therefore increasing.
Concrete roof drain detail.
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.
Details and technical drawings of the flat roof drainage as downloads in the practical pdf dxf and dwg formats.
Zurn makes it easy to size roof drains.
In addition to sizing factors the choice of roof drain is based on several considerations.
2 total area of roof.
Scupper with parapro flashing.
Zurn industries llc roof drains and accessories cad details.
Sumped roof drain with paraflex 531 liquid flashing.
1600 1620 3020 art line ballast brakel cellular concrete cg foamglas coated metal sheet cold roof concrete din 18234 emergency outlet eps insulation evalastic.
Scupper with conductor head.
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.
1 rate of precipitation.
Download free high quality cad drawings blocks and details of roof drains organized by masterformat.
Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs.
Alwitra flat roof details.
Sumped roof drain with parapro flashing.
Drain with inter ply parapro flashing.
3 size of leader required.
Paraguard roof drain with paraflex 531 liquid flashing.
Type of roof design and materials.
In general roof drains are spaced equally and are located in low points of the roof or in any areas where water accumulates.
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.
And 4 area handled by each drain.
The four things you will need to know are.
Copper hercules bur detail drawing dwg 637 27 kb copper hercules bur detail drawing dxf 568 36 kb.
