Marine Aluminum Skylight
| Model | Nominal size | Cut-out size | Cover plate size | Coaming | Clear size | Weight |
| B*L | B1*L1 | R | B2*L2 | t | t0 | H | B3*L3 | (Kg) |
| C | 470*620 | 450*600 | 90 | 520*670 | 3 | 4 | 120 | 300*425 | 8.2 |
| 6 | 7 | 9.3 |
| 520*770 | 500*750 | 570*820 | 3 | 4 | 355*500 | 8.2 |
| 6 | 7 | 10.9 |
| 620*920 | 600*900 | 670*970 | 6 | 7 | 2(300*425) | 12.2 |
| 820*1220 | 800*1200 | 870*1270 | 2(400*560) | 20.4 |
| D | 470*620 | 450*600 | 520*670 | 3 | 4 | 300*425 | 6.5 |
| 6 | 7 | 9.4 |
| 520*770 | 500*750 | 570*820 | 3 | 4 | 355*500 | 8.5 |
| 6 | 7 | 11.2 |
Marked sample:Long side opened steel skylight which coaming nominal size 470*620,cover thickness
t=4.
Marked as:SKYLIGHT C470*620-4 QL-232
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