SEWAGE AND WATER PIPES UNDERGROUND. The reason they are underground is, we don't want to lose any of the insulation properties in the external walls. this is normal procedure in Finland.Blue pipes are for the cold water, they are fitted under the Styrofoam, the hot on top.
INTEGRATED VACUUM CLEANER, PIPES ARE FITTED UNDER THE FLOOR.
VACUUM CLEANER PIPE, IT COMES IN BETWEEN THE DIVIDING WALLS, there is a socket box, which you connect the vacuums hosepipe to, it is activated with a low voltage switch, which in turn activates the vacuum cleaner.
RADON SHIELD, this is a bitumen based felt, used also as a damp-proof course, it is fitted between the Styrofoam sheets, it's purpose is to guide the Radon Gas, (classed as a cancerogenic) to the outside of the building.
