

| 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 |
| Size |
106 |
301 |
304 |
306 |
308 |
312 |
|
| Rough opening (WxR) |
in. mm |
14 1/2 x 45 1/2 364 x 1157 |
22 1/2 x 26 1/2 568 x 678 |
22 1/2 x 37 1/2 568 x 957 |
22 1/2 x 45 1/2 568 x 1157 |
22 1/2 x 54 568 x 1376 |
22 1/2 x 70 568 x 1776 |
| Outside frame (SxL) |
in. mm |
16 1/2 x 46 3/8 419 x 1178 |
24 1/2 x 27 1/2 623 x 699 |
24 1/2 x 38 1/2 623 x 978 |
24 1/2 x 46 3/8 623 x 1178 |
24 1/2 x 55 623 x 1397 |
24 /2 x 70 3/4 623 x 1797 |
| Daylight area FX (glass) |
sq.ft. m2 |
3.34 0.31 |
3,12 0,29 |
4,63 0,43 |
5,70 0,53 |
6,78 0,63 |
8,93 0,83 |
|
Size |
504 |
506 |
508 |
801 |
806 |
|
| Rough opening (WxR) |
in. mm |
30 1/2 x 37 1/2 771 x 957 |
30 1/2 x 45 1/2 771 x 1157 |
30 1/2 x 54 771 x 1376 |
46 1/2 x 26 1/2 1177 x 678 |
46 1/2 x 45 1/2 1177 x 1157 |
| Outside frame (SxL) |
in. mm |
32 1/2 x 38 1/2 826 x 978 |
32 1/2 x 46 3/8 826 x 1178 |
32 1/2 x 55 826 x 1397 |
48 1/2 x 27 1/2 1232 x 699 |
48 1/2 x 46 3/8 1232 x 1178 |
| Daylight area FX (glass) |
sq.ft. m2 |
6,46 0,60 |
7,97 0,74 |
9,58 0,89 |
6,89 0,64 |
12,59 1,17 |
Installation instructions:
Safety notes:
Drawings FX G31 Replacement-Line:
Installation videos:
Product details:
Technical specification:
BIM:
Drawings FX G31 Classic-Line:
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 |