Toho Sangyo Co., Ltd. Business Introduction

For all kinds of waterproofing, corrosion prevention, and structural repairs and reinforcements, leave it to us!

Towa Sangyo Co., Ltd. is a company that sells and constructs materials for concrete repair and reinforcement, corrosion prevention, and waterproofing, including rapidly curing water-stopping seal cement, epoxy resin mortar "Super Crete," line drainage works (B4) [3S method], and carbon fiber reinforcement materials. We are confident that the adoption of the 3S method we developed in the Ministry of Land, Infrastructure, Transport and Tourism's "Civil Engineering Construction Estimation Standards" Chapter 13 Road Maintenance and Repair (8) Tunnel Leakage Countermeasure Work [B4] specification method is an evaluation of our technology. We also offer technical services such as Tougrid, Tousheet, and TO-RESIN. 【Business Activities】 ■ Waterproofing and repair work for concrete structures ■ Various waterproofing works for civil engineering and buildings (sheet waterproofing, etc.) ■ Maintenance and repair work for structures (tunnel, bridge repair, reinforcement, etc.) ■ Various waterproofing and anti-corrosion works and maintenance and repair works for water supply and sewage facilities ■ Manufacturing and sales of materials for tunnel leakage countermeasures and line drainage works B4 (3S method) ■ Manufacturing and sales of various waterproofing and water-stopping materials *For more details, please refer to the PDF materials or feel free to contact us.

Coating film waterproofing material/permeable waterproofing materialWater stopRenovation and repair methods