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Velux Skylight Sizes

Velux Skylight Sizes

Velux Skylights - Authorized Dealer

Velux Skylight Sizes

Fixed Skylight (FS) – Deck Mounted

FS Size Code  A06  C01  C04  C06  C08  C12  D26  D06  M02  M04  M06  M08  S01  S06
Outside frame (W”xH”) 151⁄4 x
461⁄4		 211⁄2 x
273⁄8		 211⁄2 x
383⁄8		 211⁄2 x
461⁄4		 211⁄2 x
5415⁄16		 211⁄2 x
703⁄4		 231⁄4 x
237⁄16		 231⁄4 x
461⁄4		 309⁄16 x
301⁄2		 309⁄16 x
383⁄8		 309⁄16 x
461⁄4		 309⁄16 x
5415⁄16		 443⁄4 x
273⁄8		 443⁄4 x
461⁄4
Rough opening/ Finished frame (W”xH”) 141⁄2 x
453⁄4		 21 x
267⁄8		 21 x
377⁄8		 21 x
453⁄4		 21 x
547⁄16		 21 x
701⁄4		 221⁄2 x
2215⁄16		 221⁄2 x
453⁄4		 301⁄16 x
30		 301⁄16 x
377⁄8		 301⁄16 x
453⁄4		 301⁄16 x
547⁄16		 441⁄4 x
267⁄8		 441⁄4 x
453⁄4

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Fixed Skylight (FCM) – Curb Mounted

FCM Size Code  1430  1446  2222  2230  2234  2246  2270  3030  3046  3055  3434  3446  4646  4672
Inside curb (W”xH”) 141⁄2 x
301⁄2		 141⁄2 x
461⁄2		 221⁄2 x
221⁄2		 221⁄2 x
301⁄2		 221⁄2 x
341⁄2		 221⁄2 x
461⁄2		 221⁄2 x
701⁄2		 301⁄2 x
301⁄2		 301⁄2 x
461⁄2		 301⁄2 x
551⁄2		 341⁄2 x
341⁄2		 341⁄2 x
461⁄2		 461⁄2 x
461⁄2		 461⁄2 x
721⁄2
Outside curb (W”xH”) 171⁄2 x
331⁄2		 171⁄2 x
491⁄2		 251⁄2 x
251⁄2		 251⁄2 x
331⁄2		 251⁄2 x
371⁄2		 251⁄2 x
491⁄2		 251⁄2 x
731⁄2		 331⁄2 x
331⁄2		 331⁄2 x
491⁄2		 331⁄2 x
581⁄2		 371⁄2 x
371⁄2		 371⁄2 x
491⁄2		 491⁄2 x
491⁄2		 491⁄2 x
751⁄2
Maximum skylight clearance (W”xH”) 185⁄8 x
345⁄8		 185⁄8 x
505⁄8		 265⁄8 x
265⁄8		 265⁄8 x
345⁄8		 265⁄8 x
385⁄8		 265⁄8 x
505⁄8		 265⁄8 x
745⁄8		 345⁄8 x
345⁄8		 345⁄8 x
505⁄8		 345⁄8 x
395⁄8		 385⁄8 x
385⁄8		 385⁄8 x
505⁄8		 505⁄8 x
505⁄8		 505⁄8 x
765⁄8

Learn more about the Velux fcm fixed skylight

Fixed Skylight (EF) – Deck Mounted,
Self Flashed

VCS Size Code  2222  2230  2238  2246  2254  3030  3046 3054  4646
Rough Opening (W”xH”) 221⁄2 x
221⁄2		 221⁄2 x
301⁄2		 221⁄2 x
381⁄2		 221⁄2 x
461⁄2		 221⁄2 x
541⁄2		 301⁄2 x
301⁄2		 301⁄2 x
461⁄2		 301⁄2 x
541⁄2		 461⁄2 x
461⁄2

Manual “Fresh Air” Skylight (VS) – Deck Mounted

VS Size Code  C01  C04  C06  C08  M04  M06  M08  S01  S06
Outside frame (W”xH”) 211⁄2 x
273⁄8		 211⁄2 x
383⁄8		 211⁄2 x
461⁄4		 211⁄2 x
541⁄16		 309⁄16 x
383⁄8		 309⁄16 x
461⁄4		 309⁄16 x
541⁄16		 443⁄4 x
273⁄8		 443⁄4 x
461⁄4
Rough opening/ Finished frame (W”xH”) 21 x
267⁄8		 21 x
377⁄8		 21 x
453⁄4		 21 x
547⁄16		 301⁄16 x
377⁄8		 301⁄16 x
453⁄4		 301⁄16 x
547⁄16		 441⁄4 x
267⁄8		 441⁄4 x
453⁄4

Manual “Fresh Air” Skylight (VCM) – Curb Mounted

VCM Size Code  2222  2234  2246  3030  3046  3434  4646
Inside curb (W”xH”) 221⁄2 x
221⁄2		 221⁄2 x
341⁄2		 221⁄2 x
461⁄2		 301⁄2 x
301⁄2		 301⁄2 x
461⁄2		 341⁄2 x
341⁄2		 461⁄2 x
461⁄2
Outside curb (W”xH”) 251⁄2 x
251⁄2		 251⁄2 x
371⁄2		 251⁄2 x
491⁄2		 331⁄2 x
331⁄2		 331⁄2 x
491⁄2		 371⁄2 x
371⁄2		 491⁄2 x
491⁄2
Maximum skylight clearance (W”xH”) 265⁄8 x
265⁄8		 265⁄8 x
385⁄8		 265⁄8 x
505⁄8		 345⁄8 x
345⁄8		 345⁄8 x
505⁄8		 385⁄8 x
385⁄8		 505⁄8 x
505⁄8

Electric “Fresh Air” Skylight (VSE) – Deck Mounted

VSE Size Code  C01  C04  C06  C08  M04  M06  M08  S01  S06
Outside frame (W”xH”) 211⁄2 x
273⁄8		 211⁄2 x
383⁄8		 211⁄2 x
461⁄4		 211⁄2 x
541⁄16		 309⁄16 x
383⁄8		 309⁄16 x
461⁄4		 309⁄16 x
541⁄16		 443⁄4 x
273⁄8		 443⁄4 x
461⁄4
Rough opening/ Finished frame (W”xH”) 21 x
267⁄8		 21 x
377⁄8		 21 x
453⁄4		 21 x
547⁄16		 301⁄16 x
377⁄8		 301⁄16 x
453⁄4		 301⁄16 x
547⁄16		 441⁄4 x
267⁄8		 441⁄4 x
453⁄4

Electric “Fresh Air” Skylight (VCE) – Curb Mounted

VCE Size Code  2222  2234  2246  3030  3046  3434  4646
Inside curb (W”xH”) 221⁄2 x
221⁄2		 221⁄2 x
341⁄2		 221⁄2 x
461⁄2		 301⁄2 x
301⁄2		 301⁄2 x
461⁄2		 341⁄2 x
341⁄2		 461⁄2 x
461⁄2
Outside curb (W”xH”) 251⁄2 x
251⁄2		 251⁄2 x
371⁄2		 251⁄2 x
491⁄2		 331⁄2 x
331⁄2		 331⁄2 x
491⁄2		 371⁄2 x
371⁄2		 491⁄2 x
491⁄2
Maximum skylight clearance (W”xH”) 265⁄8 x
265⁄8		 265⁄8 x
385⁄8		 265⁄8 x
505⁄8		 345⁄8 x
345⁄8		 345⁄8 x
505⁄8		 385⁄8 x
385⁄8		 505⁄8 x
505⁄8

Solar Powered “Fresh Air” Skylight (VSS) – Deck Mounted

VSS Size Code  C01  C04  C06  C08  M02  M04  M06  M08  S01  S06
Outside frame (W”xH”) 211⁄2 x
273⁄8		 211⁄2 x
383⁄8		 211⁄2 x
461⁄4		 211⁄2 x
541⁄16		 309⁄16 x
301⁄2		 309⁄16 x
383⁄8		 309⁄16 x
461⁄4		 309⁄16 x
541⁄16		 443⁄4 x
273⁄8		 443⁄4 x
461⁄4
Rough opening/ Finished frame (W”xH”) 21 x
267⁄8		 21 x
377⁄8		 21 x
453⁄4		 21 x
547⁄16		 301⁄16 x
30		 301⁄16 x
377⁄8		 301⁄16 x
453⁄4		 301⁄16 x
547⁄16		 441⁄4 x
267⁄8		 441⁄4 x
453⁄4

Solar Powered “Fresh Air” Skylight (VCS) – Curb Mounted

VCS Size Code  2222  2234  2246  3030  3046  3434  4622  4646
Inside curb (W”xH”) 221⁄2 x
221⁄2		 221⁄2 x
341⁄2		 221⁄2 x
461⁄2		 301⁄2 x
301⁄2		 301⁄2 x
461⁄2		 341⁄2 x
341⁄2		 461⁄2 x
221⁄2		 461⁄2 x
461⁄2
Outside curb (W”xH”) 251⁄2 x
251⁄2		 251⁄2 x
371⁄2		 251⁄2 x
491⁄2		 331⁄2 x
331⁄2		 331⁄2 x
491⁄2		 371⁄2 x
371⁄2		 491⁄2 x
251⁄2		 491⁄2 x
491⁄2
Maximum skylight clearance (W”xH”) 265⁄8 x
265⁄8		 265⁄8 x
385⁄8		 265⁄8 x
505⁄8		 345⁄8 x
345⁄8		 345⁄8 x
505⁄8		 385⁄8 x
385⁄8		 505⁄8 x
265⁄8		 505⁄8 x
505⁄8

Roof Window Sizes

Top hinged Roof Window Skylight (GPU) – Deck Mounted

GPU Size Code  CK04  CK06  MK04  MK06  MK08  PK10  SK06  UK08
Outside frame (W”xH”) 215⁄8 x
381⁄2		 215⁄8 x
463⁄8		 303⁄4 x
381⁄2		 303⁄4 x
463⁄8		 303⁄4 x
55		 371⁄8 x
63		 447⁄8 x
463⁄8		 523⁄4 x
551⁄16
Rough opening/ Finished frame (W”xH”) 221⁄8 x
39		 221⁄8 x
467⁄8		 311⁄4 x
39		 311⁄4 x
467⁄8		 311⁄4 x
551⁄2		 375⁄8 x
631⁄2		 453⁄8 x
467⁄8		 531⁄4 x
551⁄2

Center-Pivit Roof Window Skylight (GGU) – Deck Mounted

GGU Size Code  CK02  CK04  CK06  FK04  FK06  FK08  MK04  MK06  MK08
Outside frame (W”xH”) 215⁄8 x
305⁄8		 215⁄8 x
381⁄2		 215⁄8 x
463⁄8		 26 x
381⁄2		 26 x
463⁄8		 26 x
55		 303⁄4 x
381⁄2		 303⁄4 x
463⁄8		 303⁄4 x
55
Rough opening/ Finished frame (W”xH”) 221⁄8 x
311⁄8		 221⁄8 x
39		 221⁄8 x
467⁄8		 261⁄2 x
39		 261⁄2 x
467⁄8		 261⁄2 x
551⁄2		 311⁄4 x
39		 311⁄4 x
467⁄8		 311⁄4 x
551⁄2
GGU Size Code  MK10  PK06  PK08  PK10  SK06  SK08  UK04  UK08
Outside frame (W”xH”) 303⁄4 x
63		 371⁄8 x
463⁄8		 371⁄8 x
55		 371⁄8 x
63		 447⁄8 x
463⁄8		 447⁄8 x
55		 523⁄4 x
381⁄2		 523⁄4 x
551⁄16
Rough opening/ Finished frame (W”xH”) 311⁄4 x
631⁄2		 311⁄4 x
467⁄8		 375⁄8 x
551⁄2		 375⁄8 x
631⁄2		 453⁄8 x
467⁄8		 453⁄8 x
551⁄2		 531⁄4 x
39		 531⁄4 x
551⁄2

Roof Access Roof Window Skylight (GXU) – Deck Mounted

GXU Size Code  CK06  FK06
Outside frame (W”xH”) 215⁄8 x
463⁄8		 26 x
463⁄8
Rough opening/ Finished frame (W”xH”) 221⁄8 x
467⁄8		 261⁄2 x
467⁄8

VELUX CABRIO Balcony Skylight (GDL) – Deck Mounted

The CABRIO® Balcony

The CABRIO® PK19 a unique combination of roof window and private terrace, the CABRIO® Balcony opens easily to allow daylight and fresh air to flow throughout your space. The standard CABRIO® features a wider balcony space for easy access to impressive sky views.

The CABRIO® MK19 is the perfect solution for those who want the private balcony experience but have limited space. Operating like the traditional CABRIO®, the MK19 is smaller and designed to fit perfectly between most roof rafters for an easier, faster, and more budget-friendly installation.

GDL Cabrio Size Code MK19 PK19
Outside frame (W”xH”) 303⁄4 x
991⁄4		 371⁄16 x
991⁄4
Rough opening/ Finished frame (W”xH”) 331⁄16 x
101		 393⁄8 x
101

Sun Tunnel Sizes

Model TGR TMR  TGF TMF TLR TCR TZR/TZRL TZRQ
10″ x x x
14″ x x x x x x x x
22″ x x x