Decorative ceiling boards with rabbet joints
The substrate board used in these products described hereinafter conforms to Japanese lndustrial Standard JIS A6901 [Decorative Gypsum Board (GB-D)].
These products are ceiling boards that can be completed to decorative joints simply by inserting the rabbet joints (base) included in the set. It is excellent in noncombustibility, heat insulation and sound insulation. Two types of ceiling boards are available according to the type of rabbet joints.
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With wooden rabbet joints |
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With steel rabbet joints |

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(Decorative ceiling gypsum board with wooden rabbet joints for Japanese style rooms)

Features
- Noncombustible and no generation of poisonous gas or smoke.
Since the surface material (not including rabbet joint) is in the form of decorative gypsum board, it is excellent in fire protection and there is no generation of toxic gas or smoke.
- Natural cedar wood-grain reproduction
Laminated with decorative paper with wood-effect texture of natural noble wood, evoking aesthetic 3-D feeling.
- Aesthetic finishing
Since it is nailed to the rabbet joints similar to conventional sheathed ceiling or laminated ceiling etc., the aesthetic appeal of cedar wood-grain can be maintained as in its natural form.

Specification
Type |
〈Board grain〉SEIRYU Pattern、〈Straight grain〉YOSHINO |
Size |
4440 x 2,730, 440 x 3,640mm |
* Product sold in each region has different patterns. Please contact the nearest branch office/sales office.
Material composition
Structure |
Material |
Surface material |
Decorative gypsum board
(JIS A 6901: GB-D) |
9.5mm thickness: Quasi noncombustible QM-9824 |
Rabbet joint |
Wooden base material |
* The product set that combines “Ceiling Board UK” with rabbet joint has not received certification as noncombustible or quasi noncombustible material.
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(Decorative gypsum board with steel rabbet joints for Japanese style room ceilings)

Features
Easy to install - compatible with a wide range of applications including Japanese conventional houses, 2×4 construction, apartments, etc. Completion of beautiful and noncombustible Japanese-style ceiling is now possible, thanks to the lack of screw fixation on the decorative surface as rabbet joints can be securely attached to the support channel using special clips.
Specification
Type |
〈Board grain〉SEIRYU Pattern、〈Straight grain〉YOSHINO |
Size |
440 x 2,730, 440 x 3,640mm |
* Product sold in each region has different patterns. Please contact the nearest branch office/sales office.
Material composition
Structure |
Material |
Surface material |
Decorative gypsum board
(JIS A 6901: GB-D) |
12.5 thickness: Noncombustible NM-0127 |
9.5mm thickness: Quasi noncombustible QM-9824 |
Rabbet joint |
Steel rabbet joint material |
* The product set that combines “New TEN S” with rabbet joint has not received certification as noncombustible or quasi noncombustible material.
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