Roof Collection Drain

Interior drains work just like the drain in your shower or sink.

Roof collection drain.

Measure along the length of the house or building and along the width of the house or building in feet. Roof area m2 x precipitation amount mm amount collected liters. This table is based on zurn s roof drain vertical requirement for horizontal roof areas at various rainfall rates table. Rainwater collection calculation formulas and equations.

The distinguishing feature of a siphonic roof drain is the air baffle. Roof drains parts accessories. 1 of rain on 1 000 sf roof will yield 623 gallons. Take the roof s total square footage and divide by the total square footage handled by one drain.

Count the number of downspouts coming from your roof. The above sizing data is offered as a guide only. Calculate drains needed. Fitting the roof with one of the following systems to ensure proper drainage will help keep it protected.

The main benefit of inner drains is that the system is hidden from view. Still the function of the two drains is the same. Floor drains parts accessories. The result is the number of drains needed.

These drains are placed in areas of the roof that collect the most water and they lead the water into a system of pipes that is installed below the roof. A siphonic roof drain looks much like a traditional roof drain. Divide 100 by the number of downspouts in order to obtain the percentage of water collected from each downspout. Multiply the two figures together to obtain the square footage of your roof step 2 determine the percentage of water collected from each downspout p.

Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs. Roof drains and accessories. These drains are like the drain at the bottom of your shower except that the roof drain has a larger strainer to protect it from debris. See more ideas about rain water collection rain water collection system roof.

Water falls on the roof and gravity draws it into the drain and down the pipes. Jun 28 2020 explore casdesigns s board roof drainage on pinterest. Inner roof drains are used on flat roofs and include a low section or channel that collects water and feeds it into a concealed drain that leads to an underground drainage system. This air baffle is engineered and tested to prevent air from entering the piping system at peak flows.

Step 1 determine the footprint of your structure f in square feet.