The one thing that pretty much everybody agrees on is that at least there should be a downspout to deliver the water to the lower roof and point it in the right direction.
Roof drain downspout connection with overflow.
Place an ads downspout adapter on the end of the downspout snap the ads non perforated pipe into the snap coupling end of adapter and run ads non perforated pipe to the disposal area.
Debris flowing down the downspout drain leaves from gutters can block floor drains or even the main building sewer line leading to sewage backups into the structure.
We will provide a diagram to show you how it works.
It s basically a primary roof drain and an overflow combined into one drain.
Rain gutters are one of the best defenses for protecting your home from water damage.
A hole at the bottom of the gutter or an open gutter end will just splash water around in a heavy rain.
Light commercial 867 series.
This piping can be attached to downspouts storm drain inlet street curb and other disposal areas.
Gutter drains connecting to foundation drains.
Commercial 868 series.
Each bi functional drain has two outlets one that is connected to the primary storm drainage piping and one that is connected independently to a secondary storm line or preferably piped outside the building where is splashes on the ground.
Debris flowing down a downspout drain that has been foolishly connected to the building foundation drain system can block that drain leading to basement flooding from either roof runoff or surface and subsurface runoff or both.
Roof drain overflow.
Roof drain dome strainer.