It contributes to crack control and improves the quality of structures with excellent crack-inducing performance.
The "KB Joint," a crack-inducing joint material from Japan Kasei, is a joint material that requires no caulking and features high water-stopping performance and excellent workability.
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basic information
Temperature changes due to factors other than external forces, such as the hydration heat of cement and ambient temperature, can cause variations, and when deformation is restrained, cracks may occur. To concentrate such cracks in predetermined locations, a section loss is provided, and cracks are artificially induced, which is known as a crack-inducing joint. The use of specialized hardware, the KB holder, allows each component to be installed in a straight line, minimizing concerns about misalignment and enabling high-precision construction. High-precision construction demonstrates excellent crack-inducing performance, ensuring that cracks hit the designated locations reliably.
Price information
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Delivery Time
P4
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Applications/Examples of results
- Culvert construction - Bridge construction - Retaining wall construction - Port construction - Water treatment facilities - Building construction - Other concrete structure construction
Line up（4）
| Model number | overview |
|---|---|
| A Type | Ideal induced joints for structures requiring water tightness, with no leakage even under 0.5MPa water pressure. |
| S Type | Perfect for crack prevention in rigid protective fences and ground cover! A compact induced joint that achieves excellent workability. |
| J Type | An induced joint with excellent workability and water tightness, featuring a slide-type fitting that can securely fix the KB joint and guiding plate together. |
| AR Type | Ideal for crack prevention in architectural structures! An induced joint that achieves high water tightness and workability while keeping the component height low. |
catalog（4）
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Company information
Development, design, manufacturing, sales, and rental of temporary construction materials / First-class architect office for construction materials, civil engineering materials, scaffolding-related products, formwork-related products, safety and security products, various prefabricated items, and special fabricated hardware, as well as general development, design, manufacturing, sales, and rental of temporary construction materials. Covers a wide range from development, design, guidance, to construction of various construction methods.
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