Special trass-bearing, cementitious binder for preparation of thick-bed adhesives, wall-bedding mortars and drainage mortars. Particularly suitable for laying sensitive, discoloration-prone natural stone coverings For ceramic tiles and floor coverings, terracotta and cast stone units. High trass content significantly reduces risk of efflorescence, bloom and discoloration.

• For walls and floors, indoors and outdoors
• Produces smooth, easily workable and highly resistant mortars
• For mortar bed thicknesses upwards of 15 mm
• Mixed on site with (0 – 4 mm graded) sand or (0 – 8 mm graded) screed sand
• For preparation of cementitious thick-bed and wall-bedding mortars in conjunction with Sopro EEK 871 epoxy screed aggregate
• For preparing pervious, coarse-aggregate mortars with Sopro DEK 872 pervious screed aggregate, or 2 - 5 mm, 5 - 8 mm or 8 – 12 mm graded quality chippings, or 4 - 8 mm graded rounded aggregate
• Drainage performance may be enhanced by incorporating Sopro DRM 653 drainage mat
• Low-chromate to Regulation (EC) No 1907/2006, Annex XVII
• DGNB: Top quality level 4, Line 8