Does it have to look nice? Waterproofing was the original use
for duct tape (originally duck tape). Wrap the box entirely with
a few layers of duct tape. Use white duct tape for the top layer.
A filmaker I know says the original use was hanging lights for the
industry (gaffer's tape). Waterproofing and ducts came later.
Today 'Duck' is a brand name for a particular duct tape, though I do
not doubt what you say about it being the term used in WWII. If
it was a word already in common usage, it would not have trademark
On 17 Jan 2006 09:06:39 -0800, firstname.lastname@example.org wrote:
The original stuff was made from "cotton duck" (a weave) and was
waterproof in the way that ducks obviously are. The name followed
almost immediately. Although it wasn't initially issued (outside the
factory) squaddies and bilkos soon realised that it was useful and took
to saving the old stuff from packing cases. When it was issued to the
field the weave was changed to the easy-tear stuff we know today.
It was also invented by Johnson & Johnson, not 3M. They knew how to make
medical strapping tape, which is broadly similar. 3M invented
pressure-sensitive adhesive tape in general and also maskign tape, but
"Duct tape" was developed as "duck tape", a waterproof tape for sealing
ammo boxes in WW2.
It is about the worst possible thing for sealing hot air ducts, as the
glue gets gummy when hot.
For ducts, try "silver tape" or "aluminum tape". Works much better.
"Gaffer tape" is adhesive backed fabric tape, generally black. The
adhesive releases easier than duct tape, and leaves less residue. It's
very strong in a straight pull, but easier to rip than duct tape.
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