Roof Drains

Also see "Roof Drainage".

A roof drain on an old built-up roof.

Installing a roof drain on a PVC roof.

More Pictures:

1. Assorted Roof Drains

Useful Links:

1. Technical: "5 Steps to Calculate Total Roof Drains Needed" is a handy little guide provided by Hy-Tech Products, Inc. on their website.

2. Technical: Roof Drain Construction Details: An extensive list of easy-to-view details is provided on the Hy-Tech Products website.

3. Technical: For guidelines on placement and sizing of roof drains, see FM Global's DS 1-54 Roof Loads for New Construction (Data Sheet). You have to sign up in order to view data sheets on the FM Global website, but it's free and definitely worth your time.

4. Technical: Siphonic Drains: "Fundamentals of Siphonic Roof Drainage" is a good introduction to this space-and-material-saving drainage innovation. Available to read on the website of Jay R. Smith Mfg. Co

5. Manufacturers: You can find roof drain manufacturers here.