Description Sika®Drain-850 Geo is a heavy duty drainage and protection sheet produced from high density polyethylene (HDPE) with dimples 10 mm high and a filtration layer of geotextile (PP) bonded on the top. Uses As a protection and drainage sheet for preformed sheet membrane waterproofing systems, liquid applied membranes and with the Sika® White Box concept for waterproofing retaining walls and heavy duty roofs/podiums. Advantages High drainage capacity High mechanical/impact resistance Integral filtration layer Resistant to all natural aggressive mediums in ground water and soil Suitable for contact with soft water (aggressive to concrete) Can be installed on damp and wet substrates Sika®Drain-850 Geo forms a drainage channel in the space between the structural elements and the backfilling/ soil/substrate to allow water to be drained away
