Roof Drain Leader Definition

A downspout waterspout downpipe drain spout roof drain pipe leader is a pipe for carrying rainwater from a rain gutter.

Roof drain leader definition.

A rain leader is a pipe that collects the water discharged from your gutters and downspouts and moves this stormwater away from your home. Downspouts are usually vertical and usually extend down to ground level. Stormwater management for homes centers around protecting your home from the disastrous effect that out of control storm water creates. Definition origin usage the modern roof drain is designed to drain off rainwater in the most effec.

Our page top sketch is provided courtesy of carson dunlop associates. The water is directed away from the building s foundation to protect the foundations from water damage. Leaks or other defects that cause basement or crawl space water entry. The first step in sizing a roof drain is to calculate the surface area of the roof that the drains will be covering as well as the average hourly rainfall rate at the building location.

There is generally a bend of 70 degrees at the bottom. To size the vertical roof drain for the same parameters 5 000 square feet of room area and 6 per hour of rain consult table 1106 2 figure 3. Downspouts are usually vertical and usually extend down to ground level. What do rain leaders do.

Also called a conductor downspout or roof drain. A downspout waterspout downpipe drain spout roof drain pipe leader is a pipe for carrying rainwater from a rain gutter. This reveals that the minimum size for the leader pipe is 5. Gutter roof drains downspouts leaders.

When sizing roof drains the limiting factor for the amount of water each drain will carry away is the size of leader therefore increasing leader size decreases the number of drains required. But this isn t the whole story. In plumbing a pipe installed to drain water from the roof gutters or roof catchment to the storm drain or other means of disposal. These articles sketches and photographs decribe the types of defects or leaks in the downspouts or leaders for roof drainage systems.

A siphonic roof drain looks much like a traditional roof drain. Section 101 5 of the ipc tells us not to reduce the pipe size in the direction of flow.