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Building Tips

Levels of Finish

Levels of Finish

No sheet lining material or substrate has a surface that is perfectly flat and totally free of minor imperfections. 

Visual imperfections can be minimised by careful attention to the design and installation of 

  • Substrate,

  • Linings,

  • Applied finish, and 

  • Lighting conditions that impact on the linings.

The Level of Finish approach was developed to optimise installed plasterboard surfaces in preparation for decoration.

It is important to recognise that it is not intended to be used as a basis for establishing acceptance or rejection criteria for the final decorated surface.

The specified “Level of Finish” for each internal area must be carefully chosen and agreed, to best disguise imperfections and to meet the owner’s expectations.

Three Levels of Finish for plasterboard are specified in the Australian & New Zealand Standard AS/NZS 2589:2006. Level 4 and 5 Finishes are commonly specified and encountered in residential and commercial construction.

The Selection Chart and Guidelines Chart below apply to light timber framed construction as covered by NZS 3604:1999. Levels of Finish specifications for construction falling outside this scope shall be established by specific negotiation.


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