Semi-Buried Overbox Extension for IS5075 Overbox - Increase Height, Cover Multibox or Unibox

The Semi-Buried Overbox Extension is the perfect solution for increasing the height of your IS5075 overbox. With this extension, you can easily cover a Multibox or Unibox, providing added protection and functionality.

For detailed information about the aluminium version of this product, please refer to the Aluminium Datasheet.

If you prefer a wooden or aluminium architrave, we also have a datasheet available for that version. You can find it here.