Ceiling Access Hatch Released in 1964

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.

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  Hi-Hatch MMⅡf

  Ceiling Access Hatch

  300×300, 450×450, 300×600, 600×600

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  Hi-Hatch MMHⅡ

  Ceiling Access Hatch

  Improved workability by board over rap.
  300×300, 450×450, 300×600, 600×600

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  Hi-Hatch GMⅡ

  Ceiling Access Hatch

  Get slimmer and more facilitative than Hi-Hatch GM.
  300×300, 450×450, 300×600, 600×600

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  Hi-Hatch GS

  Ceiling Access Hatch

  The simple design.
  300×300, 450×450, 300×600, 600×600

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  Hi-Hatch SD

  Ceiling Access Hatch

  Can fix the inner lid firmly with cremorne lock.
  300×300, 450×450, 300×600, 600×600

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  Hi-Hatch SEⅡ

  Ceiling Access Hatch

  The standard model.
  300×300, 450×450, 300×600, 600×600

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  Hi-Hatch AS

  Ceiling Access Hatch

  Single frame type with outer frame hidden. Having simple airtightness performance.
  300×300, 450×450, 600×600

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  Hi-Hatch AT

  Ceiling Access Hatch

  Single frame type with outer frame hidden. Excellent airtightness performance by setting packing on outer frame.
  450×450, 600×600

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  Hi-Hatch NT

  Ceiling Access Hatch

  Excellent airtightness performance ceiling access hatch.
  300×300, 450×450, 300×600, 600×600

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  Hi-Hatch DX

  Ceiling Access Hatch

  Custom-made size fitting to buildings. Can make large size of ceiling access hatch such as 900 × 900. Maximum size is 1200 × 1500.

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  Hi-Hatch MOD

  Ceiling Access Hatch

  Custom-made size available. Can make large size ceiling access hatch. Maximum size is 600 × 1200.

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  Wall Hatch WHT

  Wall Hatch

  Raise the air conditioning efficiency by A-4 grade high airtight type. 300 × 300, 450 × 450.

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  Wall Hatch WHA

  Wall Hatch

  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).

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  Wall Hatch SHA

  Wall Hatch

  Use the gasket on the door to save energy. 400×700, 600×600. Custom-made size available from 300×300 to 600×900.

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  New-Hatch NHBBS

  Stainless steel waterproof and deodorant type. 450×450, 600×600.

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  Roof Hatch

  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).