gräfix 433
Flex Natural Stone Laying Mortar
M 10 · Flexible, trass-based natural stone laying mortar · mortar bed thickness from 15 to 40 mm
This plasticiser-modified and therefore flexible thick-bed mortar, containing the finest trass powder, limestone sand and high-quality cements (to prevent efflorescence), as well as additives to improve workability, is used for laying profiled natural stone, ceramic and concrete slabs in internal, external and wet areas. Substrates may be uneven and the slabs may vary in thickness.
Ideal for underfloor heating.
Grain size: 0 – 1.6 mm
Coverage: 15 l per bag
600 l / 1.0 tonnes
Delivery: 25 kg / bag
1.2 tonnes per pallet
For laying heavily textured natural stone, concrete, ceramic and other slabs of varying thicknesses
on uneven substrates, both indoors and outdoors.
- flexible
- Trass-cement mixture prevents efflorescence
- easy to apply
- suitable for underfloor heating
- 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”




