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  6. At the entrance of the parking lot! Removable waterproof panel (water stop panel, flood prevention panel, waterproof door)

At the entrance of the parking lot! Removable waterproof panel (water stop panel, flood prevention panel, waterproof door)

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JP Waterproof Man

last updated:Jul 29, 2026

日本ピット 大分本社・東京・大阪・福岡
日本ピット 大分本社・東京・大阪・福岡
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We will prevent flooding damage to parking lots! A cost-effective and highly versatile panel-type waterproof board.

The detachable waterproof board is a relatively inexpensive product in our lineup that can be installed in both new constructions and renovations. It can be installed in various locations without being limited to specific areas. Compared to sheet-type waterproof boards and undulating waterproof boards, it does not require deep chipping during installation, thus minimizing the need for additional construction work. Our company provides a consistent response from development to design, manufacturing, construction, and maintenance, so even first-time customers can use it with confidence. A storage space for the panels and middle columns is required. *Optional storage boxes, wall hooks, and storage covers can also be produced. The lower frame FB type has a lower frame designed as FB, so there is no need to consider drainage.

    Drainage material
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At the entrance of the parking lot! Removable waterproof panel (water stop panel, flood prevention panel, waterproof door)

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  • Related Link - https://nihon-pit.co.jp/product-waterproof/

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basic information

【Features】 ■Material: Aluminum ■Frame inner dimensions: 900mm to no limit (installation of a central pillar required) ■Water immersion height: 300mm to 2,000mm ■Operation method: Manual ■Installation time: From 3 minutes ■Number of installers: From 1 person ■Side frame installation type: Embedded type / Exposed type ■Product storage location: Required - The thickness of the panels can be selected from multiple options, providing a wide variety. - There are many successful applications in large-scale projects. - Installation is carried out by the manufacturer, so even first-timers can feel assured! *For more details, please refer to the PDF document or feel free to contact us.

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Applications/Examples of results

Waterproof board / moisture-proof board / water stop board

Detailed information

  • 2.png

    Supports immersion up to a height of 2 meters.

  • 3.png

    Supports immersion up to a height of 2 meters.

  • 4.png

    Supports immersion up to a height of 2 meters.

catalog(3)

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JP Waterproof Board Comprehensive Catalog (Waterproof Boards/Water Stop Boards/Flood Prevention Boards)

JP Waterproof Board Comprehensive Catalog (Waterproof Boards/Water Stop Boards/Flood Prevention Boards)

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Prepare for water disasters! A guidebook on types of waterproof boards and how to choose them - for selecting waterproof boards without making mistakes.

Prepare for water disasters! A guidebook on types of waterproof boards and how to choose them - for selecting waterproof boards without making mistakes.

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How to introduce waterproof boards

How to introduce waterproof boards

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News about this product(2)

[Free Catalog Download] Information about the waterproof board catalog

  • Catalog news

In April 2025, the waterproof board catalog vol.2 of Japan Pit was published.

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A guidebook on the types and selection of waterproof boards has been created.

  • Catalog news

A guidebook on the types of waterproof boards and how to choose them has been created to ensure you select a waterproof board that won't fail. It provides a detailed explanation of the current state of disaster prevention in companies, the types of water disasters and their countermeasures, as well as the types of waterproof boards and their characteristics!

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日本ピット

日本ピット 大分本社・東京・大阪・福岡

Building materials, supplies and fixtures manufacturers

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Nihon Pit was established in 1968 as Japan's first independent pit specialty manufacturer, standardizing and mass-producing traditional manhole covers. Since then, we have developed many products, including general wiring and drainage pits for construction, trench ducts and OA floors for office automation, and drainage troughs, among others. Moving forward, we will continue to pursue a wide variety of specialized pits (manhole covers) that transcend the boundaries of architecture, civil engineering, and facilities, always aiming to create products that are ahead of their time.

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