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Hepworth Clay drainage systems from Wavin are manufactured from natural materials to produce durable, high strength, quality products. This enables sustainable installation on site using recycled aggregates, and rigorous maintenance regimes in service. These market leading clay drainage systems are accepted within the built environment for residential, adoptable, commercial and industrial applications.

Hepworth Terracotta is a brand of Wavin, offering a range of products for the construction and ventilation of domestic flue and chimney systems, the finishing of rooflines and the ventilation of buildings via airbricks.
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Product catalogue
Hepworth Clay has built a reputation second to none for product quality, technical ability and cu...
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Price list
Clay drainage trade price list, March 1st 2020
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Product catalogue
Terracotta is an extraordinary material that is naturally resistant to the effects of acid corros...
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Clay Channels
A range of plain ended or socketed channels.
- R12 Below ground drainage systems
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Clay Gullies
Clay gully range.
- R12 Below ground drainage systems
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Clay HepLine
Perforated land drainage pipes.
- R13 Land drainage

Image gallery

Chimney pots
chimney pots in situ
Clay drainage at Stamford Brook, Altrincham
Clay Drainage Installation at Emirates Stadium
Hepworth Clay
Hepworth Terracotta

Quality Assurance

Hepworth is certified to the following Quality Assurance schemes/standards:
BS EN 295: 2013 Vitrified clay pipes and fittings and pipe joints for drains and sewers.
BS EN 1457: 2012 Certificate of Conformity of the Factory Production Control
BS EN 1457-1: 2012 Chimneys. Clay/ceramic flue liners. Flue liners operating under dry conditions. Requirements and test methods
EN 1457-1: 2012 BSI Kitemark
BS EN ISO 9001: 2008 – BSI
BS EN ISO 9001: 2008 – BSI
BS EN 13502: 2002 Chimneys. Requirements and test methods for clay/ceramic flue terminals
BS EN 13502: 2002 Declaration of Test Results
BS 65:1991: Specification for vitrified clay pipes, fittings and ducts
KM 14092: BSI Kitemark
KM 21945: BSI Kitemark

Trade names

SuperSleve HouseDrain

Contact details

Wavin Registered Office,
Edlington Lane,
South Yorkshire, DN12 1BY
Tel +44 (0)844 856 5152

Alternative contacts

Hepworth Terracotta
Literature Request
Technical Advice
Tel +44 (0)844 856 5165

Additional links

The following external links have been provided by the manufacturer: