A very cheap alternative to fill tiny niggly gaps in sash windows is just strips of cling film squished up and pushed into gaps with the back of a knife. Gets into gaps smaller than Gapseal too.
I did something similar with bubble wrap last night as one of our (casement) frames has stopped closing properly
@tyeness started
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A very cheap alternative to fill tiny niggly gaps in sash windows is just strips of cling film squished up and pushed into gaps with the back of a knife. Gets into gaps smaller than Gapseal too.