h a l f b a k e r yFewer ducks than estimates indicate.
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When visiting a tennis court, you are sometimes required
to wear shoes with white rubber soles to avoid unsightly
dark marks appearing on the court surface.
I propose they use the same white rubber in place of the
black rubber footings and stoppers on the 'feet and hands'
of a folding ladder.
This would, presumably, cut down on the dark scuff marks
that show up on walls when using a folding ladder in the
180° extension, and also when 'clanging down the hall'
with the unwieldy equipment swaying out of control.
[link]
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What if you have black walls? |
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I think the white rubber is the natural color. To get black ladder rubber that makes scuffs you have to add carbon black. This might help against UV, but I don't recall any warnings about white wall tyres perishing, so I doubt this would be a significant factor in ladder rubber. |
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Seeing as there's (perhaps) nothing added to white rubber, maybe it wouldn't make marks, or might make more benign and wipeable marks.
[+] |
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As with automotive tires, the carbon is added for longevity
and the black color is deepened by vulcanization, or
something along those lines. |
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You can get a variety of non-scuffing ladder bumpers from
McMaster-Carr and Gempler's. It would be nice to have
them come standard, however. |
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Perhaps we should all redecorate using black rubber wallpaper? |
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Inflatable black rubber wallpaper! |
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But that's a different idea again, isn't it? |
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