Learning Siphonic Roof Drainage

The Principle of SRDback

A siphonic system has:

only one downpipe (1) and
one or more roof drains (2)

Note:
In a siphonic system all roof drains must be the same type. It is not permitted to change single roof drains in a siphonic system. But one can change all roof drain in a siphonic system when required.

This information is based on German laws, standard, and regulations (rules). We shall give no guaratee that the information is suitable for use in other countries or that it is in accordance with the rules in place there. Nevertheless, we are unable to guarantee the correcrness, completeness and up-to-dateness of the information and therefore exclude any liability in this respect. Subject to change without notice. © Keidel GmbH 2012. All rights reserved.