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Velux FCM 4630 – Fixed Skylight – 46 x 30

$432.00

The patented FCM curb mounted fixed skylight is sized to work with all types of site-built curbs, whether they’re slightly out-of-square, pre-existing, or surrounded by unusually thick flashing and roofing material. Heavy-duty materials ensure the FCM skylight is built to withstand the installation process, as well as anything Mother Nature throws its way.

Roof slope:
The FCM skylight installs on roofs with slopes between 0° (0:12) and 60° (20:12).

Size:
Inside curb (W” x H”) 46 1⁄2 x 30 1⁄2
Outside curb (W” x H”) 49 1⁄2 x 33 1⁄2
Maximum skylight clearance (W” x H”) 50 5⁄8 x 34 5⁄8

Glazing (Glass) Options

(32 Business days for delivery)

(32 Business days for delivery)

Select your flashing type
Add a Solar Powered blind

Accessory Tray - Required for all Curb mount blinds not factory installed

Light Filtering Blinds will Ship uninstalled
Room Darkening will Ship uninstalled
Accessory Tray - Required for all Curb mount blinds
Total price:$432.00

Description

Velux FCM 4630 – Fixed Curb Mount Skylight – 46 x 30

Other Sizes Available

FCM Size Code (W”xH”) 1430 1446 2222 2230 2234 2246 2270 3022 3030 3046
Inside curb (W”xH”) 14 1⁄2 x
30 1⁄2		 14 1⁄2 x
46 1⁄2		 22 1⁄2 x
22 1⁄2		 22 1⁄2 x
30 1⁄2		 22 1⁄2 x
34 1⁄2		 22 1⁄2 x
46 1⁄2		 22 1⁄2 x
70 1⁄2		 30 1⁄2 x
22 1⁄2		 30 1⁄2 x
30 1⁄2		 30 1⁄2 x
46 1⁄2
Outside curb (W”xH”) 17 1⁄2 x
33 1⁄2		 17 1⁄2 x
49 1⁄2		 25 1⁄2 x
25 1⁄2		 25 1⁄2 x
33 1⁄2		 25 1⁄2 x
37 1⁄2		 25 1⁄2 x
49 1⁄2		 25 1⁄2 x
73 1⁄2		 33 1⁄2 x
25 1⁄2		 33 1⁄2 x
33 1⁄2		 33 1⁄2 x
49 1⁄2
Maximum skylight clearance (W”xH”) 18 5⁄8 x
34 5⁄8		 18 5⁄8 x
50 5⁄8		 26 5⁄8 x
26 5⁄8		 26 5⁄8 x
34 5⁄8		 26 5⁄8 x
38 5⁄8		 26 5⁄8 x
50 5⁄8		 26 5⁄8 x
74 5⁄8		 34 5⁄8 x
26 5⁄8		 34 5⁄8 x
34 5⁄8		 34 5⁄8 x
50 5⁄8
FCM Size Code (W”xH”) 3055 3434 3446 4622 4630 4634 4646 4672 7022 7246
Inside curb (W”xH”) 30 1⁄2 x
55 1⁄2		 34 1⁄2 x
34 1⁄2		 34 1⁄2 x
46 1⁄2		 46 1⁄2 x
22 1⁄2		 46 1⁄2 x
30 1⁄2		 46 1⁄2 x
34 1⁄2		 46 1⁄2 x
46 1⁄2		 46 1⁄2 x
72 1⁄2		 70 1⁄2 x
22 1⁄2		 72 1⁄2 x
46 1⁄2
Outside curb (W”xH”) 33 1⁄2 x
55 1⁄2		 37 1⁄2 x
37 1⁄2		 37 1⁄2 x
49 1⁄2		 49 1⁄2 x
25 1⁄2		 49 1⁄2 x
33 1⁄2		 49 1⁄2 x
37 1⁄2		 49 1⁄2 x
49 1⁄2		 49 1⁄2 x
75 1⁄2		 73 1⁄2 x
25 1⁄2		 75 1⁄2 x
46 1⁄2
Maximum skylight clearance (W”xH”) 34 5⁄8 x
59 5⁄8		 38 5⁄8 x
38 5⁄8		 38 5⁄8 x
50 5⁄8		 50 5⁄8 x
26 5⁄8		 50 5⁄8 x
34 5⁄8		 50 5⁄8 x
38 5⁄8		 50 5⁄8 x
50 5⁄8		 50 5⁄8 x
76 5⁄8		 74 5⁄8 x
26 5⁄8		 76 5⁄8 x
50 5⁄8

Stocked Custom Sizes

FCM Size Code (W”xH”) 190365 190435 210455 225225 225470 245245 245470 245490 260540 280525
Flashed Outside Curb Width Range 22 – 23 1⁄2 22 – 23 1⁄2 24 – 25 1⁄2 25 1⁄2 – 27 25 1⁄2 – 27 27 1⁄2 – 29 27 1⁄2 – 29 27 1⁄2 – 29 29 – 30 1⁄2 31 – 32 1⁄2
Flashed Outside Curb Height Range 39 1⁄2 – 41 46 1⁄2 – 48 48 1⁄2 – 50 25 1⁄2 – 27 50 – 51 1⁄2 27 1⁄2 – 29 50 – 51 1⁄2 52 – 53 1⁄2 57 – 58 1⁄2 55 1⁄2 – 57
Maximum skylight clearance (W”xH”) 23 5⁄8 x
41 1⁄8		 23 5⁄8 x
48 1⁄8		 25 5⁄8 x
50 1⁄8		 27 1⁄8 x
27 1⁄8		 27 1⁄8 x
51 5⁄8		 29 1⁄8 x
29 1⁄8		 29 1⁄8 x
51 5⁄8		 29 1⁄8 x
53 5⁄8		 30 5⁄8 x
58 5⁄8		 32 5⁄8 x
57 1⁄8

Stocked Custom Sizes

FCM Size Code (W”xH”) 315315 315470 315700 315715 365365 385385 385540 420435 460470 460700
Flashed Outside Curb Width Range 34 1⁄2 – 36 34 1⁄2 – 36 34 1⁄2 – 36 34 1⁄2 – 36 39 1⁄2 – 41 41 1⁄2 – 43 41 1⁄2 – 43 45 – 46 1⁄2 49 – 50 1⁄2 49 – 50 1⁄2
Flashed Outside Curb Height Range 34 1⁄2 – 36 50 – 51 1⁄2 73 – 74 1⁄2 74 1⁄2 – 76  39 1⁄2 – 41 41 1⁄2 – 43 57 – 58 1⁄2 46 1⁄2 – 48 50 – 51 1⁄2 73 – 74 1⁄2
Maximum skylight clearance (W”xH”) 36 1⁄8 x
36 1⁄8		 36 1⁄8 x
51 1⁄8		 36 1⁄8 x
74 5⁄8		 36 1⁄8 x
76 1⁄8		 41 1⁄8 x
41 1⁄8		 43 1⁄8 x
43 1⁄8		 43 1⁄8 x
58 5⁄8		 46 5⁄8 x
48 1⁄8		 50 5⁄8 x
51 5⁄8		 50 5⁄8 x
74 5⁄8

Learn more about the Velux fcm fixed skylight
View FCM Technical Resources
Download FCM Sales Sheet
Download Skylight Measurement Guide
Find an installer

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