Building with Earth: Design and Technology of a Sustainable Architecture

114 Designs of building elements

ously without water for two minutes and
then allowed to stand) with additional chalk
at the rate of 10%.
The mixtures were applied like plasters
with low moisture content and the surface
smoothed with a rotary motion of the trow-
el. After fully drying, all of these surfaces
were waxed.
All three mixtures displayed very good sur-
face hardness. The linseed oil mixture had
the disadvantage of its strong odour and a
long drying time, but showed the best sur-
face hardness.

Loam mortar

Mineral lightweight loam

Thermal insulation

Damp-proof barrier

Coarse gravel

A C

B D

14.22 14.21

14.23

14.24

Vapour barrier Cellulose fibres

Timber planks

Tamped lightweight straw loam walls

U = 0.8 W/m^2 K

Vapour barrier

Wood wool board

Composition of loam plaster

U = 0.22 W/m^2 K

Cork

Cellulose fibres

U = 0.20 W/m^2 K

Hollow Hourdis brick

filled with loam

Cork

Mineral lightweight loam (400)

U = 0.25 W/m^2 K

Vapour barrier