A plaster coating on a storehouse wall about 4.5mm
thick. Traditionally the mixture by volume was 10 parts of sand, 15 parts of water
and 0.15 parts of devil's tongue powder, konnyakuko 蒟蒻粉, a potato-like
root made into a paste from the starch of this plant. A larger amount of sand
was added to the mixture for storehouses than for the mixture prepared for coating
the exterior of dwellings, because thicker wall were needed to protect the contents
from dampness, |