Types Of Roof Drainage Systems

The downspout drain should extend away from the walls and preferably direct the water to a storm sewer or catch basin.

Types of roof drainage systems.

While each drainage system will be different to best accommodate the roof it drains there are only two primary drainage systems that are suitable for commercial flat roofs or low slope roofs. The four types of drain systems gutters. Roof water drain types and sizing sizing a roof water drain. If your home or business building has a flat roof it s of the utmost importance that you install a roof drain.

Conventional gutter systems such as those used on most houses are suitable for some low slope roofs. 1 gravity drainage a gravity drainage system simply relies on gravity to move the water from the rooftop to the ground. The first step in sizing a roof drain is to calculate the surface area of the roof that the. Types of residential drainage systems.

This roof drainage system is very similar to a gutter and is also called a roof drain leader. Internal drains constitute a common drainage system is most commercial buildings. These are the most common in residential areas but commercial buildings can also have gutters installed on the. The 3 most common drain systems of a flat roof.

The drainage pipes are placed under the roof and in the walls of the building. For surface drainage to be successful ditches must be dug in a parallel pattern. The ditches are shallow and will act as. Rain gutters are the most common drain system in use for all types of roofs.

Downspout and gutter system. 4 types of roof drains explained.