Standard masu-buta (made of striped steel plate) for steep slopes, collapse prevention, flood damage, earthquake disaster, and countermeasure construction, etc.

We offer single and double sheets made of striped steel plate! A wide variety of sizes are also available.

We would like to introduce the "Standard Manhole Covers (made of corrugated steel plate)" that we handle. For single-piece use, the "FP-1 type" is available in six sizes with inner diameters of 400×400mm to 900×900mm. Additionally, we offer a wide range of sizes for the two-piece "FP-2 type." These are used in various applications such as the Ministry of Land, Infrastructure, Transport and Tourism, prefectural civil engineering, municipalities, NEXCO, steep slope countermeasures, vertical drainage, and anti-splash boards. They are widely utilized in water resource management, disaster recovery, and agriculture and forestry. Finishes include hot-dip galvanized coating, rust prevention paint, and tar epoxy paint. Please consult us for other surface treatments. *Hot-dip galvanizing = JIS H8641 HDZT-56, HDZT-63, HDZT-70, HDZT-77, etc. (Certificates of plating (plating certificates) can be obtained.) Please feel free to contact us when you need our services. 【Product Lineup (Partial)】 ■FP-1 Type (Single-piece) ・FP1-A ・FP1-B ・FP1-C ・FP1-D ・FP1-E ・FP1-F *For more details, please refer to the PDF document or feel free to contact us.

Inspection hatches, manhole covers, and ditch covers