Area of application

masonry mortar for clay bricks and lightweight clay bricks in the application class I or II.
Not to be used as plastering mortar or as the base material for the manufacture of plastering mortar.

Composition

Building clay up to 5 mm, sand 0-2 mm, wood granulate (chips) up to 20
mm. Grain classification, oversize grain according to DIN 0/4, < 8 mm.

Material parameters

Drying shrinkage < 3.0 %. Strength class M0. Gross density
class 1.4. Thermal conductivity 0.59 W/m∙K. µ-value 5/10. Building material class B2*.
Building material class, B2 respectively, better classification is possible subject to fire protection tests (Lehmbau Regeln DVL 2009, p. 97).

Supply form, coverage

Earth-moist 5.022 in 1.0 T big-bags (yields 700 l masonry mortar)
Earth-moist 05.222 in 0.5 T big-bags (yields 350 l masonry mortar)
Dry 10.122 in 25 kg bags (yields 20.5 l masonry mortar), 48 bag/Pal.

Storage

Store in a dry place. Earth-moist lightweight clay masonry mortar should be applied no later than 3 months after manufacture, in the case of dry goods, unlimited storage is possible. Naturally moist material should be protected from freezing during winter storage, as otherwise its workability will be impaired during periods of frost.

Required material

Depending on brick format and wall thickness – see product sheet

Status: 08/2026