

| Size | 106R 14 ½ x 45 ¾ |
301R 21 x 26 ⅞ |
304R 21 x 37 ⅞ |
306R 21 x 45 ¾ |
|
| Rough opening (WxR) | in. | 14 ½ x 45 ¾ | 21 x 26 ⅞ | 21 x 37 ⅞ | 21 x 45 ¾ |
| Outside frame (SxL) | in. | 16 ⅞ x 46 ⅞ | 23 ⅛ x 28 | 23 ⅛ x 39 | 23 ⅛ x 46 ⅞ |
| Daylight area (glass) | sq.ft. m^2 |
3.47 0.32 |
2.92 0.27 |
4.31 0.40 |
5.30 0.49 |
| Finished opening (pxq) | in. | 13 ⁷⁄₃₂ x 44 ¼ | 19 ½ x 25 ¹¹⁄₃₂ | 19 ½ x 36 ⅜ | 19 ½ x 44 ¼ |
| Weight | lbs | 41 | 34 | 44 | 52 |
| Size | 308R 21 x 54 ⁷⁄₁₆ |
312R 21 x 70 ¼ |
504R 30 ¹⁄₁₆ x 37 ⅞ |
506R 30 ¹⁄₁₆ x 45 ¾ |
|
| Rough opening (WxR) | in. | 21 x 54 ⁷⁄₁₆ | 21 x 70 ¼ | 30 ¹⁄₁₆ x 37 ⅞ | 30 ¹⁄₁₆ x 45 ¾ |
| Outside frame (SxL) | in. | 23 ⅛ x 55 ½ | 23 ⅛ x 71 ⅜ | 32 ⅛ x 39 | 32 ⅛ x 46 ⅞ |
| Daylight area (glass) | sq.ft. m^2 |
6.39 0.59 |
8.38 0.78 |
6.46 0.60 |
7.95 0.74 |
| Finished opening (pxq) | in. | 19 ½ x 52 ²⁹⁄₃₂ | 19 ½ x 68 ¾ | 28 ¹⁷⁄₃₂ x 36 ⅜ | 28 ¹⁷⁄₃₂ x 44 ¼ |
| Weight | lbs | 63 | 78 | 59 | 72 |
| Size | 508R 30 ¹⁄₁₆ x 54 ⁷⁄₁₆ |
801R 44 ¼ x 26 ⅞ |
806R 44 ¼ x 45 ¾ |
||
| Rough opening (WxR) | in. | 30 ¹⁄₁₆ x 54 ⁷⁄₁₆ | 44 ¼ x 26 ⅞ | 44 ¼ x 45 ¾ | |
| Outside frame (SxL) | in. | 32 ⅛ x 55 ½ | 46 ¼ x 28 | 46 ¼ x 46 ⅞ | |
| Daylight area (glass) | sq.ft. m^2 |
9.58 0.89 |
6.67 0.62 |
12.09 1.12 |
|
| Finished opening (pxq) | in. | 28 ¹⁷⁄₃₂ x 52 ²⁹⁄₃₂ | 42 ²³⁄₃₂ x 25 ¹¹⁄₃₂ | 42 ²³⁄₃₂ x 44 ¼ | |
| Weight | lbs | 83 | 54 | 96 |
Installation instructions:
Safety notes:
Drawings FX G31 Replacement-Line:
Installation videos:
Product details:
Technical specification:
BIM:
Copyright © 2026 FAKRO. All rights reserved.
| Monday | 8AM - 4PM |
| Tuesday | 8AM - 4PM |
| Wednesday | 8AM - 4PM |
| Thursday | 8AM - 4PM |
| Friday | 8AM - 4PM |
| Saturday | Closed |
| Sunday | Closed |
|
FAKRO America, LLC. 39 W Factory Rd, Addison, IL 60101 (630) 543-1010 |