Standard rooflight sizes (mm)

Square Rectangular
600x600 1200x1200 600x900 1000x1300
700x700 1250x1250 600x1200 1000x1500
750x750 1300x1300 700x1000 1000x1900
800x800 1350x1350 700x1300 1100x1400
850x850 1400x1400 700x1900 1100x1700
900x900 1500x1500 800x1100 1200x1500
950x950 1600x1600 800x1400 1200x1700
1000x1000 1800x1800 900x1200 1200x1800
1050x1050 1900x1900 900x1500 1200x2400
1100x1100 900x1800 1300x1900
1300x2500

Up to 140 sizes are available. Over 40 sizes are available from stock.