Doubuchi


Doubuchi (胴縁) – nonstructural ribbing fastened either horizontally to vertical studs or vertically to plywood, as an anchor material for siding or other exterior finish. It doubles as a spacer when used over plywood, creating ventilation channels between the exterior siding and plywood. Horizontal doubuchi is used when siding material is vertical in direction.

Vertical doubuchi

Vertical doubuchi

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