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  5. Nursing bathtubs and bathing equipment
  6. Case Study of Replacing Hinoki Bathtubs | Transitioning to the Ideal Custom Bathtub Due to Stains and Water Leaks

Case Study of Replacing Hinoki Bathtubs | Transitioning to the Ideal Custom Bathtub Due to Stains and Water Leaks

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last updated:May 28, 2026

エステック アソシエイツ
エステック アソシエイツ
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Black stains and water leaks in the cypress bath are signs for replacement! With customizable designs in 1cm increments and 20 years of proven waterproof coating technology, we will renew your bathtub to one with excellent durability.

Stubborn black stains and water leaks that occur in hinoki bathtubs are likely indicative of advanced wood rot, making a complete "replacement" of the bathtub an effective solution. Our hinoki bathtub renovation service employs a universal design that is gentle for everyone, honed through the production of bathing tubs for nursing care. Furthermore, we can precisely design and manufacture the depth and width in 1 cm increments, allowing for a beautiful bathtub replacement that fits perfectly without changing the current bathroom environment. With the reliable wood drying technology of the ninth generation lumber merchant, who knows wood inside and out, and the robust waterproof coating technology refined over 20 years in hot spring facilities, we thoroughly reduce the risks of stains and leaks after replacement. You can also choose to customize your bathtub to a jet bath specification for an exquisite relaxation experience or opt for a unit bath specification for smooth installation. The craftsmanship proven by our track record with establishments like "Ryokan Omuraya" transforms your space into a luxurious environment reminiscent of a high-end hot spring inn. *For more details, please check the PDF download button.

    Bathroom unitNursing bathtubs and bathing equipment
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Case Study of Replacing Hinoki Bathtubs | Transitioning to the Ideal Custom Bathtub Due to Stains and Water Leaks

スクリーンショット 2026-05-28 124907.png
スクリーンショット 2026-05-28 124907.png
  • Related Link - https://st-asso.co.jp/
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【Features】 ■ Customized to fit your current bathroom in 1cm increments ■ Universal design for everyone's peace of mind ■ 20 years of proven painting technology to prevent discoloration ■ Option to accommodate a luxurious jet bath specification *For more details, please check the PDF download button.

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Estec Associates Co., Ltd. "Hinoki Bath"

Estec Associates Co., Ltd. "Hinoki Bath"

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A must-see for those considering a minpaku (private lodging) business! The charm of hinoki baths.

A must-see for those considering a minpaku (private lodging) business! The charm of hinoki baths.

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エステック

エステック アソシエイツ

Interior Design

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Estec Associates Co., Ltd. aims to contribute to the realization of a "recycling-oriented society through forests and wood" by adding value to wood through artificial drying technology and special heating treatment technology, while also wanting to protect "the Earth and people's lives." Additionally, we support forest creation both domestically and internationally by donating a portion of our profits as green donations.

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