|KEY WORD : architecture / general terms|
1 An early term for long boards
used on roofs. Records dating from the 8c first used the terms itaya
板屋 (board roof), and itabukiya 板葺屋 (board-covered roof). The
size of the boards and the direction they were laid is not clearly
known. However, the pent roofs *hisashi
廂, at Houryuuji 法隆寺 (late 7c) Nara, planks were laid at right angles
to the wall. Then the roof boards were set over the spaces between
planks. Rainwater run-off was controlled in such a way that only a
very minimal amount of seepage under the upper boards occurred. The
method is called *yamatobuki
Ise Jinguu Naikuu Sotonomiumaya 伊勢神宮内宮外御厩 (Mie)
2 The shingles, 60-70cm long ×15cm wide ×0.6-0.75cm thick, used on vernacular houses, found especially in Nagano prefecture. The shingles are split along the annual rings and are cured for up to one year. These shingles are joined along their sides by a type of edge joint called *hagi 矧. The exposed part of the shingles is about 30cm long. Usually made of chestnut wood.
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