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LK Universal pipes can be used for heating, tap water and cooling systems. The pipes are suitable for LK universal system and contains a wide range of pipes. The system is tested and approved according to the markets strictest regulations and test methods; The National Board of Housing, Building and Plannings Building Rules and Safe Water Installation. PAL pipes have an inner layer of PE-RT, an intermediate layer of aluminium and a surface layer of PE-RT. The pipes are diffusion-tight and provided with an oxygen barrier. The pipes are perfect for visible mounting. Thanks to the intermediate layer of aluminium, the pipes are rigid, almost like a metal pipe, although they weigh much less and are therefore easier to handle. The pipe in pipe has an outside conduit pipe to form a protective layer. The pipes are also available with an insulated layer. The EPD represents several product versions. The EPD is an average EPD and the declared unit is based on LK PAL Universal pipe A with dimension 16 mm. The result presented in the EPD has the highest result of all products declared and the variations between the products stays within 10% (GWP-GHG). See appendix for total weight of the products included in the EPD.