Market-leading Harmer high performance roof outlets for rainwater collection offer technically sophisticated solutions to ensure trouble-free performance for all roof drainage applications in both warm and inverted roof construction.

Harmer AV is a range of high capacity aluminium flat roof outlets, Harmer Detail aluminium outlets are used for balconies, gulleys & car parks. The Harmer cast iron range provides a wide variety of product configurations for use in all types of drainage installations, especially suited for load bearing applications.

White House Works, Bold Road, Sutton, St Helens, Merseyside, WA9 4JG