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Hydraulically binding dry bagged mortar based on cement, trass, frost resistant dolomite sand and additives. Standard render mortar acc. to DIN EN 998-1. Strength corresponds to mortar group CS IV, P III to DIN V 18 550. KEIM Porosan-Trass-Zementputz meets WTA guidelines, leaflet 2-9-04/D, as a roughcast key coat and has been WTA certified.

Application	Historic Restoration & Preservation, Lime Plastering/Rendering, Repairing salt damaged façades, Stucco
Consumption	• roughcast key coat 1 sack containing 35 kg = approx. 26 l of wet mortar 1 sack is sufficient for approx. 7 m2 of roughcast key coat. • full cover socle render 1 sack containing 35 kg = approx. 22 l of wet mortar 1 sack is sufficient for approx. 2.2 m2 with a layer thickness of 1 cm.
Packaging	Bag
Sizes	35 kg
Usage	• as roughcast key coat (non-covering) KEIM Porosan-Key Coat is applied as a non-covering roughcast bonding coat. It is used to ensure good adhesion between low-absorbency masonry and KEIM Porosan - Top coat or KEIM Porosan - Equalizer. • as full cover render for underground applications, exterior walls and socles. KEIM Porosan-Trass- Zementputz is used as a full cover r
Documents	Porosan Key Coat- TDS (Technical Data Sheet, PDF, 76 KB)