X-Terra 400 Trass Bedding and drainage mortar

Mineral, trass-modified, drainable laying and bedding mortar


  • For the water-permeable installation of ceramic tiles and slabs, discolouration-free natural stone slabs as well as natural stone and concrete block paving
  • For use with standard mortar mixers
  • Suitable as thick-bed mortar and drainage screed
  • For areas of utilisation categories N1 to N3 according to ZTV-Wegebau
  • For areas in load classes up to and including Bk 0.3 in accordance with RSTO 12


  • Mineral-based
  • Plastic-modified
  • Added trass to prevent efflorescence and discolouration
  • Low shrinkage and low tension
  • High initial and final strength
  • High freeze/thaw resistance
  • Water-permeable

Technical data

*At 20 °C and 50 % rel. humidity.
Pack type

paper bag

Pack size

25 kg

Shelf life

12 months



Ideal working temperatures

+ 5° C to + 30 °C

Water quantity required

approx. 2 litres/25 kg

Working Time/ Pot Life

approx. 90 minutes*

Set to foot traffic

after 2-3 days*

Ready for covering

after approx. 3 days*

Final strength

after approx. 28 days*


approx. 17 kg/m²/cm layer thickness

Ordering information

Article Packsize Shipping unit
codex X-Terra 400 Trass / 25 kg 173639 25 kg
Pallet :
42 bags

Quality seals and badges


Products and accessories

Mixing bucket 30 l

The codex mixing bucket is a very sturdy plastic bucket with handles for mixing all codex powder and epoxy products.

Water bucket Water bucket

The codex water bucket is a transparent plastic bucket with an imprinted litre scale for measuring the correct amount of water for codex powder products.

X-Terra 22 Bonding and contact slurry

Trass-containing bonding agent for a secure bond between covering and drainage mortar

X-Terra Base 1-C patio jointing mortar

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X-Terra Prime 2-C paving jointing mortar

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X-Terra Strong 2-C paving jointing mortar

Water-permeable, colored synthetic resin grout for ceramic and paving coverings from 8 mm joint width

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