The hall where fiber is cleaned and beaten

At the southern end of the site stands the Beater House, built in 1953 for cleaning the raw fiber of remaining specks and for beating it apart into the fine, even stock that papermaking requires. It marks the second station in the sequence, between boiling and forming.

The building is single-story under a gabled tile roof, with a lean-to on the south and a lower projecting bay to the northeast. Long horizontal windows run in a continuous band along the walls, opening the interior to generous light, useful when the work is to spot and remove flaws in the fiber.

Why it matters

The Beater House was registered as a Registered Tangible Cultural Property in February 2021, one of the eight mill buildings entered under the criterion of contributing to the region's historical landscape. It stands for the industrial side of a craft that is often pictured only as hand-dipping at the vat.

Preparing the stock is where consistency is won or lost. The mill's hemp-based kumohada-mashi (雲肌麻紙) blends hemp with mulberry and a little gampi to give both strength and a fine surface, and that blend has to be beaten to an even pulp before a single sheet is formed. The building's scale reflects how much of papermaking happens before the vat.

What to look for

The walls are boarded, and inside the space opens up under a king-post truss roof (kingu-posuto torasu, キングポストトラス) left exposed, a wide, well-lit hall rather than a warren of small rooms. The continuous ribbon of windows is the feature to watch for, both practical and quietly handsome.

As the southernmost building, the Beater House anchors one end of the run of production halls that gives the compound its shape. It belongs to a working mill and is best appreciated from outside, with tours available by arrangement.

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Q&A

QWhat is a beater house for?
AIt is where boiled fiber is cleaned of remaining specks and beaten apart into an even pulp. This is the step between boiling and forming sheets at the vat.
QWhat is special about its interior?
AA wide, open hall under an exposed king-post truss, lit by a continuous band of horizontal windows that made close inspection of the fiber easier.
QWhen was it built?
AIn 1953 (Showa 28). It stands at the southern end of the works.
QHow does it fit the compound?
AIt is the southernmost of the production halls and, with the others, forms the sequence of buildings that trace the papermaking process across the site.

Basic Information

Name岩野平三郎製紙所ビーター場 (Beater House (Beater-ba))
LocationOtaki, Echizen City, Fukui Prefecture
CategoryRegistered Tangible Cultural Property (building)
RegisteredFebruary 26, 2021
Registration no.18-224
Count1 building
Date of constructionShowa 28 (1953)
StructureSingle-story wood frame, tile roof; footprint 145 sq m
Registration criterionContributes to the historical landscape of the region
OwnerIwano Heizaburo Paper Mill Co., Ltd.
AccessActive workshop; exterior viewing from the lane. Tours and sutra-copying by prior arrangement

References

文化庁 — 国指定文化財等データベース(登録有形文化財)
https://kunishitei.bunka.go.jp/heritage/detail/101/00013722
株式会社岩野平三郎製紙所 公式サイト
https://www.iwanoheizaburouseisisho.com/
ECHIZEN WASHI — 越前和紙工業協同組合
https://echizen-washi.com/people/washimakers/washimakers-767/
越前市観光協会 — 岩野平三郎製紙所
https://www.echizen-tourism.jp/travel_echizen/experience_detail/174

Last verified: 2026.07.05