Knauf Apertura Square Perforated Plasterboards

The Knauf Apertura Square Perforated Plasterboard range offers two sizes of square straight line perforation. They are supplied backed with an acoustic fleece in either black or white. Each board has four sharp-cut edges to enable a unique seamless finish to be achieved when jointed with Knauf Uniflott.

  Dimensions (mm) Article No Fleece Weight
  (a) (b) Thickness Width Length   Colour Kg per m2
8 18 12.5 1188 1998 000 19 674 White 9.4

Square Perforated 8/18

  
8 18 12.5 1188 1998 000 19 498 Black 9.4

Square Perforated 8/18

  
12 25 12.5 1200 2000 000 19 675 White 9.2

Square Perforated 12/25

  
12 25 12.5 1200 2000 000 19 504 Black 9.2

Square Perforated 12/25

  

Area of Perforation: 8/18 = 19.8% 12/25 = 23%