gräfix 434
Natural stone laying mortar · coarse
M 10 · Trass-based natural stone laying mortar · for mortar bed thicknesses of 20–60 mm
This thick-bed mortar, made from the finest trass powder, limestone sand, high-quality cements (to prevent efflorescence) and workability-enhancing additives, is used for laying natural stone, ceramic and concrete slabs with pronounced profiling, both indoors and outdoors. Substrates may be uneven and the slabs may vary in thickness.
Grain size: 0 – 4 mm
Coverage: 15.75 l / bag
630 l / 1.0 tonnes
Delivery: 25 kg / bag
1.2 tonnes / pallet
For laying heavily textured natural stone, ceramic, concrete and other tiles of varying thicknesses
on uneven substrates, on floors and walls.
- Coarse-grained for thick mortar beds
- Trass cement mixture prevents efflorescence
- easy to work with
- Very low emissions – EMICODE EC1 PLUS
- Technical Data Sheet ► (DE) - (EN)
- Safety Data Sheet ► (DE) - (EN) - (IT)
- EMICODE Certificate ► (DE) - (EN)
- Brochure: ‘Installation Products for Natural Stone and Ceramics’
- Consumption calculator “Mortar & Monodrän”




