We see more and more orders for structures in 9005 SDFTC black.
The colour of the moment for exterior joinery.

However, we would like to draw your attention, especially important for your sales -department, that dark colours and full south-facing constructions can cause problems with large sliding windows in some configurations.

Aluminum works with temperature differences.
A dark profile, which is exposed to the sun all day, expands and can make the sliding window difficult to handle. At the order we cannot know the orientation of the construction and so we will note from now on this remark on the order confirmation for each dark color.
It’s up to you to inform your client.

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