
Xtralite’s rooflight ranges a wide array of options. To aid specifiers in the selection process Xtralite has created a simple-to-follow guide, designed to help formulate the rooflight configuration required.
Understanding the Xtralite Ventilation and Attachment Codes |
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XT |
X1 |
A |
00 |
Denotes an Xtralite product. This part of the code will not change. |
Denotes the range of rooflights (X1 – X5). (See step 1) |
Denotes the Roof Attachment method. (See step 3) |
Denotes the ventilation type. (See step 4) |
Understanding the Xtralite Glazing Code |
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XT |
DM |
3 |
SF |
BRONZE |
Denotes an Xtralite product. This part of the code will not change. |
Denotes the glazing shape. (See steps 6&7) |
Denotes the glazing configuration. (See steps 6&7) |
Denotes the security options. (See steps 6&7) |
Denotes the glazing colour. (See steps 6&7) |
By following the advice in this website and by referring to the Xtralite Specification Guide, specifiers can see the options available and configure individual roof light specifications.
When specifying, it is not essential to use the product codes which denote the
different glazing, ventilation and roof attachment options available—specifying
using text descriptions is acceptable. However, providing the correct codes may
assist in accurately specifying the desired rooflight configuration.
If further assistance is required in determining the rooflight configuration, please contact Xtralite.

To find out the available features for each of the X ranges and the appropriate codes for each element, click on the following steps for a comprehensive guide: Step 1—Before the detailing beginsStep 2—Understanding the rooflight constructionStep 3—The attachment zoneStep 4—The ventilation zoneStep 5—Sizing the rooflightStep 6—The glazing zoneStep 7—Specifying glazing only (X-Glaze)Step 8—Required information for bespoke rooflight sizes |
To find a full range of PDF and CAD drawings for the Xtralite range, click on the following to go to the downloads section: Go to downloads section |