Civil Engineering Materials

It is a large block of horizontal stacking type with one piece per square meter. The brightness is below 6, and it has obtained NETIS-VE and JIS certification.

Stacking blocks
Gutters and U-shaped gutters
Road construction

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Non-corrosive 'N.S River'

西宮産業

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Provision of rust-free concrete structures.

Port supplies
Renovation and repair methods

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At the entrance of the parking lot!...

日本ピット大分本社・東京・大阪・福岡

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Prevents flooding damage to parking lots! A cost-effective and highly versatile panel-type waterproof board.

Drainage material

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[Free Catalog Download] Information about the waterproof board catalog

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

Removable waterproof board (water s...

日本ピット大分本社・東京・大阪・福岡

Official site

Can be installed in uneven areas! A low-cost, highly versatile panel-type waterproof board.

Drainage material

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Swing-type waterproof board (water ...

日本ピット大分本社・東京・大阪・福岡

Official site

Perfect for underground parking lots! Waterproof boards that can be set up immediately in emergencies without the need for a storage location.

Drainage material

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[Free Catalog Download] Information about the waterproof board catalog

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

Slide-type waterproof board (water ...

日本ピット大分本社・東京・大阪・福岡

Official site

Perfect for wide entrances and exits! Can be used as a gate during normal times.

Drainage material

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[Free Catalog Download] Information about the waterproof board catalog

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

Manual and electric adjustable wate...

日本ピット大分本社・東京・大阪・福岡

Official site

This is a waterproof board (water stop board, flood prevention board) that can be easily installed by operating a hydraulic pump. It can be set up quickly by one person and does not require storage sp...