Velux Skylight Rough Opening Size Tables

Rough Opening Size Tables

Model VSE	Model VS		Model FCM* * Model FCM is a curb mounted skylight and the measurements are inside curb dimensions, not rough opening.
Model FS		Models GPL and GDL Roof Windows

Model QVE Product Data

Model QVE	Size	150	156	302	306	656
Outside Frame	in. mm	23 5/16 x 23 1/2 592 x 597	23 5/16 x 46 1/2 592 x 1178	30 5/8 x 30 5/8 778 x 778	30 5/8 x 46 3/8 778 x 1178	47 5/16 x 46 3/8 1202 x 1178
Rough Opening (inside & outside)	in. mm	22 1/2 x 22 1/2 572 x 572	22 1/2 x 45 5/16 572 x 1150	29 3/4 x 29 5/8 756 x 751	29 3/4 x 45 5/16 756 x 1150	46 1/2 x 45 5/16 1181 x 1150
Daylight Area (glass)	in.	18 1/2 x 16 7/8	18 1/2 x 39 3/4	25 7/8 x 24	25 7/8 x 39 3/4	42 1/2 x 39 3/4
Daylight Area	sq. ft.	2.17	5.11	4.31	7.14	11.45
Ventilation Area	sq. ft.	1.30	2.17	3.40	4.77	5.70
Net Weight (with temp. glass)	lbs.	49	63	40	73	115

Model QVM Product Data

Model QVM	Size	150	156	302	306	656
Outside Frame	in. mm	23 5/16 x 23 1/2 592 x 597	23 5/16 x 46 1/2 592 x 1178	30 5/8 x 30 5/8 778 x 778	30 5/8 x 46 3/8 778 x 1178	47 5/16 x 46 3/8 1202 x 1178
Rough Opening (inside & outside)	in. mm	22 1/2 x 22 1/2 572 x 572	22 1/2 x 45 5/16 572 x 1150	29 3/4 x 29 5/8 756 x 751	29 3/4 x 45 5/16 756 x 1150	46 1/2 x 45 5/16 1181 x 1150
Daylight Area (glass)	in.	18 1/2 x 16 7/8	18 1/2 x 39 3/4	25 7/8 x 24	25 7/8 x 39 3/4	42 1/2 x 39 3/4
Daylight Area	sq. ft.	2.17	5.11	4.31	7.14	11.45
Ventilation Area	sq. ft.	1.30	2.17	3.40	4.77	5.70
Net Weight (with temp. glass)	lbs.	49	63	40	73	115

Model QFS Product Data

Model QFS

Size
150 156 302
306
656

Outside Frame

in.
mm

235/16 x 231/2
592 x 597

235/16 x 461/2
592 x 1178

305/8 x 305/8
778 x 778

305/8 x 463/8
778 x 1178

475/16 x 463/8
1202 x 1178

Rough Opening
(inside & outside)

in.
mm

221/2 x 221/2
572 x 572

221/2 x 455/16
572 x 1150

293/4 x 295/8
756 x 751

293/4 x 455/16
756 x 1150

461/2 x 455/16
1181 x 1150

Daylight Area (glass)

in.

1915/16 x 201/8

1915/16 x 43

281/2 x 291/4

271/4 x 4215/16

44 x 43

Daylight Area

sq. ft.

2.78

5.95

5.32

8.12

13.14

Net Weight
(with temp. glass)

lbs.

29

48

34

53

95

If you would like more information about Velux Skylights
and would like to visit their web site please click here.

Any questions relating to rough opening sizes or optional
features can be emailed here or phone (562) 494-2096.

Delivery fee for Velux Skylights is Free, regardless of size or amount.
Velux Skylights and Roof Windows are available nationwide.