Finding the right blind doesn’t have to be difficult or stressful.
Forget about measuring the glass with a tape measure – it’s the most common cause of sizing mistakes. Every roof window features a factory data plate with a unique size code. Based on this code, we guarantee an accurate, proper fit for your blind or your money back.
Select your window brand below to see how to read your code in a few moments (brands listed in alphabetical order):
Artens
Balio
Dakea
Dakstra
Keylite
Lapeyre
Luminatec
Luxtra
Optilight
Rooflite+
Solid Elements
Solis
Solstro
Satjam Aura
Timlux
Toso
Tyrem
Aron
To choose the correct blind size, check the size of your Aron roof window. Open the window. On the right side (less frequently on the left) of the window sash, you will find the identification plate as shown below:
In the illustration above, the Aron roof window size is 78/98. That is the exact size you should select for the blind to fit. You do not need to measure the window, but you can consult the table below with the dimensions of the visible glass pane:
| Window Size Code | Visible Glass Size |
|---|---|
| 55/78 | 37.3 x 59 cm |
| 55/98 | 37.3 x 79 cm |
| 66/118 | 48.3 x 99 cm |
| 78/98 | 60.3 x 79 cm |
| 78/118 | 60.3 x 99 cm |
| 78/140 | 60.3 x 121 cm |
| 78/160 | 60.3 x 141 cm |
| 94/118 | 76.3 x 99 cm |
| 94/140 | 76.3 x 121 cm |
| 114/118 | 96.3 x 99 cm |
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.
Artens
To choose the correct blind size, check the size of your Artens roof window. Open the window. On the right side (less frequently on the left) of the window sash, you will find the identification plate as shown below:
In the illustration above, the Artens window size is 78/98. That is the exact size you should select for the blind to fit. You do not need to measure the window, but you can consult the table below with the dimensions of the visible glass pane:
| Window Size Code | Visible Glass Size |
|---|---|
| 55/78 | 37.3 x 59 cm |
| 55/98 | 37.3 x 79 cm |
| 66/118 | 48.3 x 99 cm |
| 78/98 | 60.3 x 79 cm |
| 78/118 | 60.3 x 99 cm |
| 78/140 | 60.3 x 121 cm |
| 78/160 | 60.3 x 141 cm |
| 94/118 | 76.3 x 99 cm |
| 94/140 | 76.3 x 121 cm |
| 114/118 | 96.3 x 99 cm |
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.
Balio
To choose the correct size, check the size of your Balio roof window. Open the Balio window. On the left side (less frequently on the right) of the window sash, you will find the identification plate as shown below:
In the illustration above, the roof window size is C2R (55 x 72). That is what you need to select for the blind to fit. You do not need to measure the window, but you can consult the table below with the dimensions of the visible glass pane:
| Window Size Code | Window Dimensions | Visible Glass Size |
|---|---|---|
| C2R | 55 x 72 cm | 37.3 x 53 cm |
| F6R | 66 x 112 cm | 48.3 x 93 cm |
| M4R | 78 x 92 cm | 60.3 x 73 cm |
| M6R | 78 x 112 cm | 60.3 x 93 cm |
| M8R | 78 x 134 cm | 60.3 x 115 cm |
| S6R | 114 x 112 cm | 96.3 x 93 cm |
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.
Dakea
To choose the correct size, check the size of your Dakea roof window. Open the window. On the left side (less frequently on the right) of the window sash, you will find the identification plate as shown below:
In the illustration above, the window size is C2A (55 x 78). That is what you need to select for the blind to fit. You do not need to measure the window, but you can consult the table below with the dimensions of the visible glass pane:
| Window Size Code | Window Dimensions | Visible Glass Size |
|---|---|---|
| C2A | 55 x 78 cm | 37.3 x 59 cm |
| C4A | 55 x 98 cm | 37.3 x 79 cm |
| C6A | 55 x 118 cm | 37.3 x 99 cm |
| F4A | 66 x 98 cm | 48.3 x 79 cm |
| F6A | 66 x 118 cm | 48.3 x 99 cm |
| M4A | 78 x 98 cm | 60.3 x 79 cm |
| M6A | 78 x 118 cm | 60.3 x 99 cm |
| M8A | 78 x 140 cm | 60.3 x 121 cm |
| M10A | 78 x 160 cm | 60.3 x 141 cm |
| P6A | 94 x 118 cm | 76.3 x 99 cm |
| P8A | 94 x 140 cm | 76.3 x 121 cm |
| P10A | 94 x 160 cm | 76.3 x 141 cm |
| S6A | 114 x 118 cm | 96.3 x 99 cm |
| S8A | 114 x 140 cm | 96.3 x 121 cm |
| U4A | 134 x 98 cm | 116.3 x 79 cm |
| U8A | 134 x 140 cm | 116.3 x 121 cm |
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.
Dakstra
To choose the correct size, check the size of your Dakstra roof window. Open the window. On the left side (less frequently on the right) of the window sash, you will find the identification plate as shown below:
In the illustration above, the window size is C2A (55 x 78). That is what you need to select for the blind to fit. You do not need to measure the window, but you can consult the table below with the dimensions of the visible glass pane:
| Window Size Code | Window Dimensions | Visible Glass Size |
|---|---|---|
| C2A | 55 x 78 cm | 37.3 x 59 cm |
| C4A | 55 x 98 cm | 37.3 x 79 cm |
| C6A | 55 x 118 cm | 37.3 x 99 cm |
| F4A | 66 x 98 cm | 48.3 x 79 cm |
| F6A | 66 x 118 cm | 48.3 x 99 cm |
| M4A | 78 x 98 cm | 60.3 x 79 cm |
| M6A | 78 x 118 cm | 60.3 x 99 cm |
| M8A | 78 x 140 cm | 60.3 x 121 cm |
| M10A | 78 x 160 cm | 60.3 x 141 cm |
| P6A | 94 x 118 cm | 76.3 x 99 cm |
| P8A | 94 x 140 cm | 76.3 x 121 cm |
| P10A | 94 x 160 cm | 76.3 x 141 cm |
| S6A | 114 x 118 cm | 96.3 x 99 cm |
| S8A | 114 x 140 cm | 96.3 x 121 cm |
| U4A | 134 x 98 cm | 116.3 x 79 cm |
| U8A | 134 x 140 cm | 116.3 x 121 cm |
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.
Keylite
To choose the correct blind size, check the size of your Keylite roof window. Open the window. On the right side (less frequently on the left) of the window sash, you will find the identification plate as shown below:
In the illustration above, the Keylite window size is 550 x 780. That is what you should select in the configurator. Sometimes the marking on Keylite windows only includes a production code rather than the window size. In that case, you can find the correct size by measuring the visible glass:
| Window Size (mm) | Visible Glass Size |
|---|---|
| 550 x 780 | 373 x 525 mm |
| 550 x 980 | 373 x 725 mm |
| 660 x 1180 | 483 x 925 mm |
| 780 x 980 | 603 x 725 mm |
| 780 x 1180 | 603 x 925 mm |
| 780 x 1400 | 603 x 1145 mm |
| 940 x 1400 | 763 x 1145 mm |
| 1140 x 1180 | 963 x 925 mm |
| 1340 x 980 | 1163 x 725 mm |
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.
Lapeyre
To choose the correct size, check the size of your Lapeyre roof window. Open the Lapeyre window. On the left side (less frequently on the right) of the window sash, you will find the identification plate as shown below:
In the illustration above, the window size is C2A (55 x 78). That is what you need to select for the blind to fit. You do not need to measure the window, but you can consult the table below with the dimensions of the visible glass pane:
| Window Size Code | Window Dimensions | Visible Glass Size |
|---|---|---|
| C2A | 55 x 78 cm | 37.3 x 59 cm |
| C4A | 55 x 98 cm | 37.3 x 79 cm |
| F6A | 66 x 118 cm | 48.3 x 99 cm |
| M4A | 78 x 98 cm | 60.3 x 79 cm |
| M6A | 78 x 118 cm | 60.3 x 99 cm |
| M8A | 78 x 140 cm | 60.3 x 121 cm |
| S6A | 114 x 118 cm | 96.3 x 99 cm |
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.
Luminatec
To choose the correct size, check the size of your Luminatec roof window. Open the Luminatec window. On the left side (less frequently on the right) of the window sash, you will find the identification plate as shown below:
In the illustration above, the window size is C2A (55 x 78). That is what you need to select for the blind to fit. You do not need to measure the window, but you can consult the table below with the dimensions of the visible glass pane:
| Window Size Code | Window Dimensions | Visible Glass Size |
|---|---|---|
| C2A | 55 x 78 cm | 37.3 x 59 cm |
| C4A | 55 x 98 cm | 37.3 x 79 cm |
| C6A | 55 x 118 cm | 37.3 x 99 cm |
| F4A | 66 x 98 cm | 48.3 x 79 cm |
| F6A | 66 x 118 cm | 48.3 x 99 cm |
| M4A | 78 x 98 cm | 60.3 x 79 cm |
| M6A | 78 x 118 cm | 60.3 x 99 cm |
| M8A | 78 x 140 cm | 60.3 x 121 cm |
| M10A | 78 x 160 cm | 60.3 x 141 cm |
| P6A | 94 x 118 cm | 76.3 x 99 cm |
| P8A | 94 x 140 cm | 76.3 x 121 cm |
| P10A | 94 x 160 cm | 76.3 x 141 cm |
| S6A | 114 x 118 cm | 96.3 x 99 cm |
| S8A | 114 x 140 cm | 96.3 x 121 cm |
| U4A | 134 x 98 cm | 116.3 x 79 cm |
| U8A | 134 x 140 cm | 116.3 x 121 cm |
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.
Luxtra
To choose the correct size, check the size of your LuXtra roof window. Open the window. On the left side (less frequently on the right) of the window sash, you will find the identification plate as shown below:
In the illustration above, the window size is C2A (55 x 78). That is what you need to select for the blind to fit. You do not need to measure the window, but you can consult the table below with the dimensions of the visible glass pane:
| Window Size Code | Window Dimensions | Visible Glass Size |
|---|---|---|
| C2A | 55 x 78 cm | 37.3 x 59 cm |
| C4A | 55 x 98 cm | 37.3 x 79 cm |
| F6A | 66 x 118 cm | 48.3 x 99 cm |
| M4A | 78 x 98 cm | 60.3 x 79 cm |
| M6A | 78 x 118 cm | 60.3 x 99 cm |
| M8A | 78 x 140 cm | 60.3 x 121 cm |
| S6A | 114 x 118 cm | 96.3 x 99 cm |
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.
Optilight
To choose the correct blind size, check the size of your Optilight roof window. Open the window. On the right side (less frequently on the left) of the window sash, you will find the identification plate as shown below:
In the illustration above, the Optilight window size is 78/98. That is the exact size you should select for the blind to fit. You do not need to measure the window, but you can consult the table below with the dimensions of the visible glass pane:
| Window Size Code | Visible Glass Size |
|---|---|
| 55/78 | 37.3 x 59 cm |
| 55/98 | 37.3 x 79 cm |
| 66/118 | 48.3 x 99 cm |
| 78/98 | 60.3 x 79 cm |
| 78/118 | 60.3 x 99 cm |
| 78/140 | 60.3 x 121 cm |
| 78/160 | 60.3 x 141 cm |
| 94/118 | 76.3 x 99 cm |
| 94/140 | 76.3 x 121 cm |
| 114/118 | 96.3 x 99 cm |
Optilight is a registered trademark of the Fakro Group.
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.
Rooflite+
To choose the correct size, check the size of your RoofLITE+ roof window. Open the window. On the left side (less frequently on the right) of the window sash, you will find the identification plate as shown below:
In the illustration above, the window size is C2A (55 x 78). That is what you need to select for the blind to fit. You do not need to measure the window, but you can consult the table below with the dimensions of the visible glass pane:
| Window Size Code | Window Dimensions | Visible Glass Size |
|---|---|---|
| C2A | 55 x 78 cm | 37.3 x 59 cm |
| C4A | 55 x 98 cm | 37.3 x 79 cm |
| C6A | 55 x 118 cm | 37.3 x 99 cm |
| F4A | 66 x 98 cm | 48.3 x 79 cm |
| F6A | 66 x 118 cm | 48.3 x 99 cm |
| M4A | 78 x 98 cm | 60.3 x 79 cm |
| M6A | 78 x 118 cm | 60.3 x 99 cm |
| M8A | 78 x 140 cm | 60.3 x 121 cm |
| M10A | 78 x 160 cm | 60.3 x 141 cm |
| P6A | 94 x 118 cm | 76.3 x 99 cm |
| P8A | 94 x 140 cm | 76.3 x 121 cm |
| P10A | 94 x 160 cm | 76.3 x 141 cm |
| S6A | 114 x 118 cm | 96.3 x 99 cm |
| S8A | 114 x 140 cm | 96.3 x 121 cm |
| U4A | 134 x 98 cm | 116.3 x 79 cm |
| U8A | 134 x 140 cm | 116.3 x 121 cm |
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.
Solid Elements
To choose the correct size, check the size of your Solid Elements roof window. Open the window. On the left side (less frequently on the right) of the window sash, you will find the identification plate as shown below:
In the illustration above, the window size is C2A (55 x 78). That is what you need to select for the blind to fit. You do not need to measure the window, but you can consult the table below with the dimensions of the visible glass pane:
| Window Size Code | Window Dimensions | Visible Glass Size |
|---|---|---|
| C2A | 55 x 78 cm | 37.3 x 59 cm |
| C4A | 55 x 98 cm | 37.3 x 79 cm |
| F6A | 66 x 118 cm | 48.3 x 99 cm |
| M4A | 78 x 98 cm | 60.3 x 79 cm |
| M6A | 78 x 118 cm | 60.3 x 99 cm |
| M8A | 78 x 140 cm | 60.3 x 121 cm |
| S6A | 114 x 118 cm | 96.3 x 99 cm |
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.
Solis
To choose the correct size, check the size of your Solis roof window. Open the Solis window. On the left side (less frequently on the right) of the window sash, you will find the identification plate as shown below:
In the illustration above, the roof window size is C2R (55 x 72). That is what you need to select for the blind to fit. You do not need to measure the window, but you can consult the table below with the dimensions of the visible glass pane:
| Window Size Code | Window Dimensions | Visible Glass Size |
|---|---|---|
| C2R | 55 x 72 cm | 37.3 x 53 cm |
| F6R | 66 x 112 cm | 48.3 x 93 cm |
| M4R | 78 x 92 cm | 60.3 x 73 cm |
| M6R | 78 x 112 cm | 60.3 x 93 cm |
| M8R | 78 x 134 cm | 60.3 x 115 cm |
| S6R | 114 x 112 cm | 96.3 x 93 cm |
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.
Solstro
To choose the correct size, check the size of your Solstro roof window. Open the window. On the left side (less frequently on the right) of the window sash, you will find the identification plate as shown below:
In the illustration above, the window size is C2A (55 x 78). That is what you need to select for the blind to fit. You do not need to measure the window, but you can consult the table below with the dimensions of the visible glass pane:
| Window Size Code | Window Dimensions | Visible Glass Size |
|---|---|---|
| C2A | 55 x 78 cm | 37.3 x 59 cm |
| C4A | 55 x 98 cm | 37.3 x 79 cm |
| C6A | 55 x 118 cm | 37.3 x 99 cm |
| F4A | 66 x 98 cm | 48.3 x 79 cm |
| F6A | 66 x 118 cm | 48.3 x 99 cm |
| M4A | 78 x 98 cm | 60.3 x 79 cm |
| M6A | 78 x 118 cm | 60.3 x 99 cm |
| M8A | 78 x 140 cm | 60.3 x 121 cm |
| M10A | 78 x 160 cm | 60.3 x 141 cm |
| P6A | 94 x 118 cm | 76.3 x 99 cm |
| P8A | 94 x 140 cm | 76.3 x 121 cm |
| P10A | 94 x 160 cm | 76.3 x 141 cm |
| S6A | 114 x 118 cm | 96.3 x 99 cm |
| S8A | 114 x 140 cm | 96.3 x 121 cm |
| U4A | 134 x 98 cm | 116.3 x 79 cm |
| U8A | 134 x 140 cm | 116.3 x 121 cm |
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.
Satjam Aura
To choose the correct size, check the size of your Satjam Aura roof window. Open the window. On the left side (less frequently on the right) of the window sash, you will find the identification plate as shown below:
In the illustration above, the window size is C2A (55 x 78). That is what you need to select for the blind to fit. You do not need to measure the window, but you can consult the table below with the dimensions of the visible glass pane:
| Window Size Code | Window Dimensions | Visible Glass Size |
|---|---|---|
| C2A | 55 x 78 cm | 37.3 x 59 cm |
| C4A | 55 x 98 cm | 37.3 x 79 cm |
| F6A | 66 x 118 cm | 48.3 x 99 cm |
| M4A | 78 x 98 cm | 60.3 x 79 cm |
| M6A | 78 x 118 cm | 60.3 x 99 cm |
| M8A | 78 x 140 cm | 60.3 x 121 cm |
| S6A | 114 x 118 cm | 96.3 x 99 cm |
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.
Timlux
To choose the correct size, check the size of your Timlux roof window. Open the Timlux window. On the left side (less frequently on the right) of the window sash, you will find the identification plate as shown below:
In the illustration above, the roof window size is C2R (55 x 72). That is what you need to select for the blind to fit. You do not need to measure the window, but you can consult the table below with the dimensions of the visible glass pane:
| Window Size Code | Window Dimensions | Visible Glass Size |
|---|---|---|
| C2R | 55 x 72 cm | 37.3 x 53 cm |
| F6R | 66 x 112 cm | 48.3 x 93 cm |
| M4R | 78 x 92 cm | 60.3 x 73 cm |
| M6R | 78 x 112 cm | 60.3 x 93 cm |
| M8R | 78 x 134 cm | 60.3 x 115 cm |
| S6R | 114 x 112 cm | 96.3 x 93 cm |
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.
Toso
To choose the correct size, check the size of your Toso roof window. Open the window. On the left side (less frequently on the right) of the window sash, you will find the identification plate as shown below:
In the illustration above, the window size is C2A (55 x 78). That is what you need to select for the blind to fit. You do not need to measure the window, but you can consult the table below with the dimensions of the visible glass pane:
| Window Size Code | Window Dimensions | Visible Glass Size |
|---|---|---|
| C2A | 55 x 78 cm | 37.3 x 59 cm |
| C4A | 55 x 98 cm | 37.3 x 79 cm |
| F6A | 66 x 118 cm | 48.3 x 99 cm |
| M4A | 78 x 98 cm | 60.3 x 79 cm |
| M6A | 78 x 118 cm | 60.3 x 99 cm |
| M8A | 78 x 140 cm | 60.3 x 121 cm |
| S6A | 114 x 118 cm | 96.3 x 99 cm |
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.
Tyrem
To choose the correct size, check the size of your Tyrem roof window. Open the window. On the left side (less frequently on the right) of the window sash, you will find the identification plate as shown below:
In the illustration above, the window size is C2A (55 x 78). That is what you need to select for the blind to fit. You do not need to measure the window, but you can consult the table below with the dimensions of the visible glass pane:
| Window Size Code | Window Dimensions | Visible Glass Size |
|---|---|---|
| C2A | 55 x 78 cm | 37.3 x 59 cm |
| C4A | 55 x 98 cm | 37.3 x 79 cm |
| F6A | 66 x 118 cm | 48.3 x 99 cm |
| M4A | 78 x 98 cm | 60.3 x 79 cm |
| M6A | 78 x 118 cm | 60.3 x 99 cm |
| M8A | 78 x 140 cm | 60.3 x 121 cm |
| S6A | 114 x 118 cm | 96.3 x 99 cm |
If you are unsure about your window size, send a photo of your data plate to: shop@cortteo.com.