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Rainwater harvesting, greywater recycling, reed beds, sustainable urban drainage, water-efficient fittings, green roofs - after years in the background, plumbing and drainage is suddenly becoming interesting.

Our Materials section brings together AJ Specification articles, cost data and a guide to online resources.

The new plumbing and drainage area in our Materials section complements existing information on cladding; doors, windows and ironmongery; fire; flooring; heating and ventilation; landscape; lighting; and masonry, timber and steel. See www. ajplus. co. uk/materials

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