Fixed Skylights

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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") 15¼ x 46¼ 21½ x 27⅜ 21½ x 38⅜ 21½ x 46¼ 21½ x 54 1/16 21½ x 70¾ 23¼ x 23 7/16 23¼ x 46¼ 30 9/16 x 30½ 30 9/16 x 38⅜ 30 9/16 x 46¼ 30 9/16 x 54 15/16 44¾ x 27⅜ 44¾ x 46¼
Rough Opening / Finished Frame (W"xH") 14½ x 45¾ 21 x 26⅞ 21 x 37⅞ 21 x 45¾ 21 x 54 7/16 21 x 70¼ 22½ x 22 15/16 22½ x 45¾ 30 1/16 x 30 30 1/16 x 37⅞ 30 1/16 x 45¾ 30 1/16 x 54 7/16 44¼ x 26⅞ 44¼ x 45¾

Fixed Skylight (FCM) – Curb Mounted

FCM Size Code 1430 2222 2230 2234 2246 2270 3030 3046 3434 3446 4646
Inside Curb (W"xH") 14½ x 30½ 22½ x 22½ 22½ x 30½ 22½ x 34½ 22½ x 46½ 22½ x 70½ 30½ x 30½ 30½ x 46½ 34½ x 34½ 34½ x 46½ 46½ x 46½
Outside Curb (W"xH") 17½ x 33½ 25½ x 25½ 25½ x 33½ 25½ x 37½ 25½ x 49½ 25½ x 73½ 33½ x 33½ 33½ x 49½ 37½ x 37½ 37½ x 49½ 49½ x 49½
Maximum Skylight Clearance (W"xH") 18⅝ x 34⅝ 26⅝ x 26⅝ 26⅝ x 34⅝ 26⅝ x 38⅝ 26⅝ x 50⅝ 26⅝ x 73⅝ 34⅝ x 34⅝ 34⅝ x 50⅝ 38⅝ x 38⅝ 38⅝ x 50⅝ 50⅝ x 50⅝