中塗り土
Meanings
1
intermediate wall coating mix
Technical term in traditional Japanese plastering. Refers to the mixture of clay, straw, and other materials applied as the middle layer of a wall, between the rough base coat (荒壁土) and the final finish coat.
See also: 荒壁土
Nakanuri-tsuchi is the second layer of wall plaster applied over the rough base coat.
In traditional earthen walls, straw is mixed into the intermediate coating to increase strength.