We will respond to the frequent flooding with a wide variety of solutions.
Released in 2003, with over 4,000 successful installations! With manufacturer responsibility for construction, we consistently manage the quality requested by our customers from design to manufacturing, construction, and maintenance. Installation is possible regardless of new construction or renovation, and we can accommodate a maximum water immersion height of 2 meters. We provide reliable "waterproof boards" backed by a rich lineup and proven track record. You can choose not only from various types of products but also from multiple panel thicknesses. Detachable waterproof boards / Sheet-type waterproof boards / Swing-type waterproof boards / Slide-type waterproof boards / Manual lift waterproof boards / Electric lift waterproof boards / Roll-up waterproof boards / Waterproof boards / Tide prevention boards / Water stop boards / Storage carts / Storage hooks.
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basic information
【Product Lineup】 ○ Detachable Both initial costs and construction work are cheaper compared to other methods. * We also offer storage hooks, storage carts, and storage boxes for detachable storage and storage purposes. ○ Swing Type Can be installed with simple operation by opening and closing the water-stopping panel like a door. Suitable for installation at underground parking entrances. ○ Slide Type Features a structure where the water-stopping panel slides horizontally, allowing for easy installation. ○ Manual Lift Type More cost-effective compared to the electric lift type. ○ Electric Lift Type Installation requires only the push of a switch, needing no physical effort. ○ Sheet Type Slightly more expensive than the detachable type, but the waterproof sheet is designed to be stored in the lower frame, requiring storage space. ○ Roll-Up Type Can be installed by one person using an electric drill. 【Features】 ● Quick installation, so there’s no confusion in emergencies ● Lightweight with hollow panels or sheet types ● A wide variety of options from manual to electric ● Automatic installation with just one switch in emergencies * For more details, please contact us or download the catalog.
Price information
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Delivery Time
Applications/Examples of results
Building entrances and exits, underground parking entrance and exit, in front of the elevator, etc.
Line up（8）
| Model number | overview |
|---|---|
| JP-WP-1-D | Removable waterproof board |
| JP-WP-1DC | Removable waterproof board with clamp type |
| JP-WP-1-SW | Swing-type waterproof board |
| JP-WP-1-SL | Slide-type waterproof board |
| JP-WP-U | Manual adjustable waterproof board |
| JP-WP-AU | Electric adjustable waterproof board |
| JP-WP-ST | Sheet-type waterproof board |
| JP-WP-WU | Roll-up waterproof board |
catalog（4）
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News about this product（5）
Company information
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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