Too much expanding foam?

[dave1899]

  On 10/09/2021 at 20:01, Faz said:

I thought your hands were used to being a bit 'sticky'?

 

Back to the op - I imagine the foam has gone on from the inside - shouldn't be enough to blow the render - you might want to be tapping the whole lot to see if it has bonded properly.

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Yes I believe it was applied from the inside when the carpenters were plasterboarding around the interior side of the door.