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: Siphonic Drains: "The Fundamentals of Siphonic Roof Drainage System Design" is an easy-to-read introduction to this space-and-material-saving drainage innovation. Available to read on the website of Ron Blank & Associates, Inc. 

3. You can find roof drain manufacturers here.