The innovative drainage filters by RBM are successfully being used all over the world. They are state of the art and meet international standards as the KOMO quality certification.
| PP 450 filter The O90 Test value of this filter is 450 μm and holds back 90% of all soil particles bigger then 450 μm. It consists of a blend of synthetic fibers and can be used for several soil types and circumstances and is manufactured according to the KOMO Standard. |
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| PP 700 filter The O90 Test value of this filter is 700 μm and holds back 90% of all soil particles bigger then 700 μm. The PP 700 filter consists of a different blend of synthetic fibers than the PP 450 filter and is mainly used for loamy sands, sandy soils and peaty soils. It is manufactured according to the KOMO standard. |
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| PP 1000 filter The O90 Test value of this filter is 1000 μm and holds back 90 % of all soil particles bigger then 1000 μm. The PP 1000 filter consists of coarse high class synthetic fibers and is a non degradable filter that is mainly used in soils with an high iron ochre content. |
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| Thin Geotextiles filters Thin Geotextiles filters used as drainage filters are manufactured by a variety of manufacturers in many versions (Cerex, Typar, knitted sock envelope). |
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