how its made
how we process australian custom made glass
Toughen Glass specifications
Click on an image to enlarge.
Distance to be 1.5x the thickness of the glass up to 10mm and 2x the thickness of the glass for 10mm and over.
Minimum hole diameter 5mm but not less that the thickness of the glass.
Distance between holes to be at least 4x thickness of glass.
Maximum hole diameter to be less than 50% of the narrowest height/width of glass for holes over 75mm. Dog and cat door holes attract special rules.
Holes at corners, the distance to be 4x the thicknessfrom the edge. Except where – glass thickness >=10mm to be 4x thickness to both edges and where – angle of corner < 90° to be 4x thickness to both edges.
Countersunk holes at 45°angle available on 5mm – 19mm glass.
Interior width and height of cut out not to be less than the thickness of the glass.
Radius corners to be equal to the thickness of the glass.
Height or width of cut out to be no more than 33% of height or width of the panel.
Minimum 19mm radius at semi-circle of cut out.
Distance between cut out and edge of the glass to be at least 50% of the hole/cut out height or width in the direction in question. Minimum of 75mm 4-6mm glass. Minimum of 100mm 8-19mm glass.
Rectangular cut out to have a hole radius. The radius corners or semi-circular ends not less than the thickness of the glass.