Lightweight mould-made clay block of application class la (= approved for timber-frame masonry work). The composition and manufacturing technique make it very resistant to moisture and frost. The historical normal format (NF) lies well in the hand, the size is just right for timber-frame construction. The 1200 NF clay block can be knocked and cut into shape very easily. Lightweight clay masonry mortar is an ideal mortar for plastering with coarse lime basecoat render with hair.
Field of application
Mould-made and extruded clay blocks of application class Ia for facing and non-load-bearing interior walls. Ideal for timber-frame infills with subsequent lime exterior plaster. 900 2DF for large infills and inner layers, 900 3DF with grip hole for timber frames of very
broad (deep) beams.
Building clay, wood and straw chaff.
07.011: Mould-made clay blocks Application class AK Ia. NF. Solid blocks. Gross density class 1.2. µ-value 5/10. Thermal conductivity 0.47 W/m∙K.
07.012: Mould-made clay blocks Application class AK Ia. NF solid blocks. Gross density class 0.8. µ-value 5/10. Thermal conductivity 0.25 W/m∙K.
07.004: Extruded clay block Application class AK Ia. 2DF. Solid blocks. Gross density class 0.9. µ-value 5/10. Thermal conductivity 0.30 W/m∙K.
07.015: Extruded clay block Application class AK Ia. 3DF. Solid blocks. Gross density class 0.9. µ-value 5/10. Thermal conductivity 0.30 W/m∙K.
Building material class B2 in each case; better classification is possible subject to fire protection tests (Lehmbau Regeln DVL 2009, p. 97).
Shrink-wrapped on pallets, NF 416 units, 2DF 350 units, 3DF 240 units Breakages ≤ 4%.
Can be stored dry for an indefinite period. Up to three pallets can be stacked on top of each other.
Work with light clay blocks according to the rules of masonry. Pre-wetting the light clay blocks in the horizontal masonry joints increases the masonry’s strength. Lightweight clay masonry mortar (CLAYTEC 05.022 and 10.122) is used as masonry mortar. If lime plaster is planned, level any masonry joints; to improve plaster adhesion later on, scrape them out to create a sharp-edged recess of max. 3 mm.