Terra Lana Wool Pipe Lagging is manufactured from jute reinforced, recycled wool. The material is needle felted and slit to standard widths. Wool is a sustainable renewable resource. The manufacturing process uses a minimum of energy. Terra Lana Wool Pipe Lagging is 100% recyclable. Manufactured from recycled wool, and requires no special handling. When used and installed in accordance with the Manufacturers instructions, Terra Lana Wool Lagging will meet all the requirements of NZS 4350:1996 - Energy Efficiency - Domestic Type Hot Water Systems. Terra Lana Wool Pipe Lagging is designed as a thermal insulation for pipes in residential and commercial buildings.