In an earlier contribution to this discussion,
Mr Fizzion wrote:

I'm not sure what to use! Unibond's "No more cracks"? The cracks are
small enough that they'd need a syringe with a fine needle to inject
anything into them. Or shall I just paint over them?

Mr F.

You can hide *very* small cracks - maybe 0.2mm - simply by painting over
them. With anything 0.5mm upwards, I always rake them out with a screwdriver
or chisel point to make them a bit bigger - then slightly over-fill them
with polyfilla, and sand down level when set.

Whereas the tubes of flexible 'decorators' filler are good for gaps round
skirtings and architraves etc., I have always found them totally useless for
filling cracks in flat surfaces.
--
Cheers,
Set Square
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