The LORO-X main-emergency combination roof drainage with main drainage and emergency drainage in one system is based on LORO's proven pipe-in-pipe principle.

The emergency drainage is transported via an internal pipe through the same roof opening as the main drainage.

The LORO-X main emergency combination drains have a hood specially designed for 2 flow paths with 2 inlet openings one above the other. The lower row of slots for the main drainage. The upper row of slots at the level of the weir for emergency drainage.

You will find further application examples with a detailed description in our Aktuell 151 for LORO-X flat roof drainage main-emergency combi vertical (News 151.pdf).

Areas of application

Flat roof drainage with separate internal outlet pipes, column drainage, roof overhangs.