[MSKJ]

Duct Tape, the answer is always duct tape

[Forgeties79]

Found the scrub who doesn’t know about gaff tape

[ChoGGi]

I don't think you can be an astronaut on the ISS without being a handyman, and the handyman's secret weapon is duct tape.

[Forgeties79]

Trust me, grab some yards of gaff tape and try it out. You’ll thank me later!

[jonah]

In general, gaffer's tape is the superior product, but for this use case, I'm thinking that duct tape with its solid backed film and thicker adhesive might be more airtight.