Quasi-Fire Resistant Systems |
| Quasi-Fire Resistant Walls with Fire Resistance of up to 45 minutes Accredited by Ministry of Land, Infrastructure and Transport in Japan (The accreditation was obtained by Yoshino Gypsum) |
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- The standard quasi-fire resistant walls incorporating the standard plasterboard, Tiger Board and the hard plasterboard, Tiger Super Hard
| Name of Wall | Wall Structure (Horizontal Sectional View) |
| Yoshino Quasi-Fire Resistant Super Wall C |  *Joint treatment is required. |
| Yoshino Quasi-Fire Resistant SF45 |  |
| Yoshino Quasi-Fire Resistant WF45 |  * Conventional Wood Frame Construction |
| Yoshino Quasi-Fire Resistant WP45 |  * Two-by-Four System |
*Loadbearing : Wall systems which bear loads from buildings
*Non-loadbearing : Wall systems which do not bear loads from buildings
*Non-loadbearing : Wall systems which do not bear loads from buildings
| Quasi-Fire Resistant Walls with Fire Resistance of up to 60 minutes Accredited by Ministry of Land, Infrastructure and Transport in Japan (The accreditation was obtained by Yoshino Gypsum) |
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- The quasi-fire resistant walls incorporating the new type of paperless plasterboard Tiger Glass Rock
| Wall Structure (Horizontal Sectional View) |
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| Quasi-Fire Resistant Walls with Fire Resistance of up to 45 minutes or 60 minutes Accredited by Gypsum Board Industry Association |
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| Quasi-Fire Resistance | Wall Structure (Horizontal Sectional View) |
| 45 minutes |  *Joint treatment is required. *Structural steel materials used for bearing vertical loads shall be 2.3 mm thick or more. |
 *Joint treatment is required for 9.5 mm water resistant plasterboards. |
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| 60 minutes |  *Joint treatment is required. *Structural steel materials used for bearing vertical loads shall be 2.3 mm thick or more. |
*Loadbearing : Wall systems which bear loads from buildings
*Non-loadbearing : Wall systems which do not bear loads from buildings
*Non-loadbearing : Wall systems which do not bear loads from buildings
| Quasi-Fire Resistant Walls which meet the requirements specified by National Land and Transportation Ministry in Japan |
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| Quasi-Fire Resistance | Wall Structure (Horizontal Sectional View) |
| 45 minutes |  * Use studs and components made of wood or steel |
 * Use studs and components made of wood or steel |
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 * Use studs and components made of wood or steel |
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 * Do not use noncombustible studs or any other noncombustible components (e.g. bonded wood). |
| Quasi-Fire Resistance | Wall Structure (Horizontal Sectional View) |
| 60 minutes |  *Backside of wall shall be batten (only when one layer of board is applied to each side of wall) *Use studs and components made of wood or steel |
 *Use studs and components made of wood or steel |
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 *Use studs and components made of wood or steel |
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 *Use studs and components made of wood or steel |
*Loadbearing : Wall systems which bear loads from buildings
*Non-loadbearing : Wall systems which do not bear loads from buildings
*Non-loadbearing : Wall systems which do not bear loads from buildings
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