Overflow Drains

Made of strong 20 ounce sandblasted copper for great membrane adhesion.  Seamless flashing and drain basin.  Second pipe fitting for overflow application.  Comes with strong ABS Cyclolac dome strainer.  2", 3", 4", and 6" sizes available.  Copper outperforms the competition because copper does not rust and does not melt.

Made of strong 20 ounce copper.  Seamless flashing and drain basin.  Separate drainage connection for overflow application.  Comes with strong ABS Cyclolac dome strainer.  2", 3", and 4" sizes available.  Long lasting and affordable drains by Thunderbird Products are easy to install!

Roof deck drain with overflow is perfect for roof deck installations.  A simple but effective design made of long lasting copper.  Units come with a snap-in stainless steel strainer and built in overflow.  Available in a variety of configurations and sizes.  Unlike plastic and iron, copper doesn't melt or rust.  All joints are soldered making a watertight seal.

Separate copper overflow can be used in conjunction with our standard drains to prevent overflowing.  A raised 2" pipe will drain water if water level gets to that height.