Application

Thin-bed mortar as a dry ready-mix for bonding sufficiently level masonry units and plan blocks for load-bearing clay brick and brick masonry using the thin-bed method, in accordance with the general building approval / general type approval Z-17.6-1306 and general type approval Z-17.11-1327. Suitable for non-load-bearing interior masonry without fire protection requirements.

Composition

Sand up to 1.0 mm, clay, talcum, perlite, plant fibers, and cellulose.

Building material values

Grain size group, max. grain size 0/1, < 2 mm, bulk density class 1.6, drying shrinkage 0.4 %, strength class M2.5, compressive strength 3.8 N/mm²;
Characteristic shear bond strength¹) with vertically perforated clay brick 0.04 N/mm²,
Characteristic shear bond strength²) ith vertically perforated brick 0.04 N/mm²,
Characteristic shear bond strength³) with molded clay brick 0.23 N/mm²,
Characteristic shear bond strength³) with vertically perforated brick 0.20 N/mm²;
µ-value 5/10, thermal conductivity 0.73 W/m∙K, building material class A1.24

¹) according to AbZ / ABg Z-17.6-1306
²) according to ABg Z-17.11-1327
³) according to testing

Delivery forms, yield

A 25 kg bag yields approx. 17 l mortar for approx. 18 m².
Joint-bonded masonry made of 4 or 8 DF blocks, wall thickness 11.5 cm or for approx. 12 m² Joint-bonded masonry made of 12 DF blocks, wall thickness 17.5 cm.

Storage

Proper dry storage indefinitely possible.

Status: 09/2026