The inconspicuous design not to spoil indoor scenery.
Ceiling access hatch “Hi-Hatch” was released in 1964 as industry’s first .The long-seller product kept improving more than 50 years.
Ceiling Access Hatch
300×300, 450×450, 300×600, 600×600
Improved workability by board over rap.300×300, 450×450, 300×600, 600×600
Get slimmer and more facilitative than Hi-Hatch GM.300×300, 450×450, 300×600, 600×600
The simple design.300×300, 450×450, 300×600, 600×600
Can fix the inner lid firmly with cremorne lock.300×300, 450×450, 300×600, 600×600
The standard model.300×300, 450×450, 300×600, 600×600
Single frame type with outer frame hidden. Having simple airtightness performance.300×300, 450×450, 600×600
Single frame type with outer frame hidden. Excellent airtightness performance by setting packing on outer frame.450×450, 600×600
Excellent airtightness performance ceiling access hatch.300×300, 450×450, 300×600, 600×600
Custom-made size fitting to buildings. Can make large size of ceiling access hatch such as 900 × 900. Maximum size is 1200 × 1500.
Custom-made size available. Can make large size ceiling access hatch. Maximum size is 600 × 1200.
Wall Hatch WHT
Raise the air conditioning efficiency by A-4 grade high airtight type. 300 × 300, 450 × 450.
Wall Hatch WHA
Standard type corresponding to left and right double-compatible doors. Key type and no key type. 300×300, 450×450, 600×600 (only key type).
Wall Hatch SHA
Use the gasket on the door to save energy. 400×700, 600×600. Custom-made size available from 300×300 to 600×900.
Stainless steel waterproof and deodorant type. 450×450, 600×600.
For going up to the roof when inspection. Wide effective opening (700×700). Also preparing the earth wire connecting terminal type in the case to be the lighting conductor (options).