ABOUT US
The Siphonic Roof Drainage Association (SRDA) was set up in 2004 to promote a wider
understanding of the principles of siphonic drainage,to encourage best practice by suppliers
and installers and to provide a recognised platform for specifiers. Members are subject to an
independent third-party technical audit every three years, comprising a site inspection and a
check of design compliance with BS8490.
Full members of the association:
- Must comply with the SRDA Constitution and Criteria.
- Be a UK-registered company.
- Have access to independently accredited software for drainage design to BS8490.
- Have an independently accredited siphonic outlet.
- Must ensure that all pipework and clamping systems to be in compliance with SRDA standards.
- Employee registered installers working to British Standard and SRDA-approved methods.
By using a member of the SRDA, a specifier can have confidence that the company has the tools
and experience to do the job properly. If you cannot specify SRDA, then its rules can be used to
set a standard.
Services
The SRDA offers a range of support:
- Free technical advice via email or telephone.
- Free technical document downloads.