concrete sewerage tubes type B are round tubes without foothill with feather joint and 500 mm long slot
they are made of concrete from natural and grinded aggregates of 0-4 mm granulation, natural stone aggregate of 4-8 mm and natural stone aggregate of 4-8 mm
concrete must be homogeneous
tubes must be flat and smooth inside and outside
they may not be cracked nor contain segregated concrete and must be watertight
tubes do not have installed rubber seals so that connections do not test waterpermeability
concrete sewerage tubes type B are used for sewerage systems which do not require waterpermeability of sewerage system connections.
product range includes tubes of following diameters: B ø 200/500 mm, B ø 300/500 mm, B ø 400/500 mm, B ø 500/500 mm, B ø 600/500 mm, B ø 800/500 mm, B ø 1000/500 mm B ø 1200/500 mm