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Yanaken
Fireproofing, insulation and compartment penetration sealing.
Top companies · September 2026
株式会社ヤナケン is an Osaka specialist in 耐火被覆工事, insulation and 防火区画貫通処理. It is a certified installer for NICHIAS’s Makibee wrap-type rockwool 認定工法, applies semi-dry sprayed rockwool certified as a 不燃材料 under 国土交通大臣認定 NM-8601, and fits calcium-silicate board encasement rated to three hours. It works from Higashi-Osaka with a Tokyo branch in Chiyoda.
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Head Office
Higashiosaka, Osaka
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Tokyo Branch
Tokyo, Tokyo
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