They will either be a part of the primary drainage system or they will be a part of the secondary overflow drainage system a primary drainage system is designed to remove water from the roof as quickly as possible.
Roof drain with integral overflow.
Scuppers will play one of two roles in a roof system.
Submittal specification sheets.
Area roof drain made of strong 20 ounce copper.
Cast iron roof drain with 2 in.
Duco cast iron bodies with combined flashing clamp and gravel stop for roof drain and combined flashing clamp and gravel stop with 3 1 2 89 high internal water dam standpipe for overflow drain.
Watts drainage products rd 300 r series 4 in.
An overflow drainage system will be designed to function independently of the primary system to drain water from the roof.
Cast iron combination roof overflow drain with flashing clamp integral with gravel stop plastic standpipe bearing pan and bottom no hub outlets.
The zurn rd2130 combination roof drain and overflow is constructed of a dura coated cast iron body.
Both drains provided with polyethylene.
Separate drainage connection for overflow application.
Manufacturer thunderbird products material copper color bronze outlet type no hub or threaded 2.
Cast iron combination roof overflow drain with flashing clamp integral with gravel stop secondary cst iron dome and no hub bottom outlets.
Roof drain and overflow drain regularly furnished.
Includes a strong abs cyclolac dome strainer.
Cast iron roof drain.
Seamless flashing and drain basin.
Deck plate with securing holes provided to receive both drains.
Standard to the roof drain is a cast iron clamp device with an integral gravel guard roof sump receiver and cast iron dome strainer.
The zurn z1715 roof drain has a stainless steel body with galvanized cast iron combination gravel guard flashing clamp and dome strainer.
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