- Pipe - Kitemarked to BS EN 13476-3.
- Pipe - Water Industry Specification WIS 4-35-01.
- Fittings - Covered by British Board of Agrément Certificates.
- Chambers - To either BS EN 13598 Parts 1 or 2.
- Fully approved to BS EN 13476-3 and WIS 4-35-01.
- BBA approved fittings.
- Approved by Water Companies.
- Meets requirements of Sewers for Adoption 6th, 6a & 7th editions.