It sound like the tutorial is saying (a video link with a time stamp)

you can completely line a room with foam

Does line mean "segment" here?

1 Answer 1


I think the meaning is this :

to cover the inside surface of something

  • While this answer might be correct, you should edit your answer to provide a dictionary definition and a link to your reference.
    – CJ Dennis
    Feb 2, 2020 at 7:06

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