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Repair and reinforcement products

NINJA

Special laminated fiber sheet for reinforcement
NINJA POWER SHEET

NINJA POWER SHEET is a construction method that a special layered fiber sheet with Fiber Volume is glued to a obi-bay shape, and then the impregnated material is applied to make it FRP and reinforce it.
This method can reduce the application area and cost.
Up to a 2400g/m² of carbon-fiber sheeting/m² can be stuck in one

Application Examples

Floor slab
Beams and girders
Column
Bridge pier

Anti-degradation sheet to prevent
small pieces from falling off

NINJA SHEET

High barrier films completely block the infiltration of carbonic acid, chloride ion, and water, which degrade concrete structures.

Concrete piece spalling prevention mesh
NINJA MESH

Polyester fiber with excellent durability and flexibility will surely prevent the fall of concrete pieces.

Carbon fiber sheet for reinforcing concrete
NINJA CF SHEET

This is a method to reinforce concrete structures by impregnating and adhering high-strength carbon-fiber sheets arranged in one direction into multiple layers to form CFRP.


Corporate Profile

Trade NameKFC Ltd.
Head office2-17, Nishitenma 3-chome, Kita-ku, Osaka 530-0047
Location of
Tokyo Head Office
Shiba Park Building B Bldg.
11F, 4-1 Shibakoen 2-chome, Minato-ku, Tokyo 105-0011
TEL +81-3-6402-8250
IncorporationMarch 4, 1965 (19Showa March 65)
Number of employees286 (as of March 31, 2021)
Net sales27,798 million yen (for the year ended March 31, 2021)
Business Activities 1. Construction Material Division
  • (1) Sales and installation of various "Late ConstructionAnchors" products
  • (2) Production and sales of steel products and various hardware
  • (3) Sales of seismic materials
  • (4) Design and construction of buildings and other seismic-related projects
  • (5) Design and construction of earthquake-resistant construction such as roads and railway bridge piers
  • (6) Sale of waterproofing materials, such as polynitrops, and electric power tools
2. Civil Engineering Material Division
  • (1) Manufacture and sale of rock bolts and other tunnel support materials
  • (2) Sales of lock bolt fixers such as dry mortar
  • (3) Sales of waterproof sheets and accessories for tunnels, and construction machinery such as melting machines
  • (4) Sales and rental of rock solidification agents for tunnels, such as urethane injection agents, and construction machinery such as injection machines
  • (5) Import sales, design, and installation of water-impervious sheets and waterproof sheets
3. Construction Works Division
  • (1) Design and construction of environment-related works such as tunnel interiors, fire-proof works, and sound insulation wall installations
  • (2) Design and construction of safety facilities such as protection fence installation work and fall prevention work
  • (3) Design and construction of refreshment work, including tunnel reinforcement work and building exterior wall repair work
  • (4) Design and construction of facilities such as tunnel interior lighting and disaster prevention, as well as facilities related to bridge sections
  • (5) Sales of construction materials related to the above construction work

Works at KFC

  • Bridge repair and reinforcement
  • Carbon Fiber Sheet Reinforcement
  • Concrete piece spalling measures
  • Prevention of concrete deterioration
  • Rock Bolt Reinforcement
  • Sound insulation wall construction
  • Bolt Inspection Device
  • Bridge monitoring
  • Building earthquake resistance work
  • Fall prevention measures for equipment
  • RBS foam construction method
  • SR method