Lovers struggling to install uniform door panels (7)

I believe the answer is:

louvres

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'door panels' is the definition.
The definition and answer can be both man-made objects as well as being plural nouns.
Maybe you can see a link between them that I can't see?

'lovers struggling to install uniform' is the wordplay.
'struggling' indicates anagramming the letters (the letters struggle or wriggle into a new form).
'to install' indicates putting letters inside (inserted letters are installed).
'uniform' becomes 'U' (phonetic alphabet: alpha, bravo, charlie etc.).
'lovers' anagrammed gives 'lovres'.
'lovres' enclosing 'u' is 'LOUVRES'.

Can you help me to learn more?

(Other definitions for louvres that I've seen before include "Slats" , "series of flaps" .)

I've seen this clue in The Times.

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