I do not think the sharpie will last more than 5 years or so. I have one here that will fade to unreadable in direct sunlight. Down on the Baja, a Silver colored tarp will make it one summer. The great equalizer El Sol.
Dave Angelini Offgrid Solar "we go where powerlines don't" http://members.sti.net/offgridsolar/ e-mail [email protected] text 209 813 0060 On Sat, 27 Jun 2020 18:06:58 -0500, Jesse Dahl <[email protected]> wrote: > Did you use a sharpie on the box? I wonder how a sharpie or PICA marker > would hold up for 10 years. > > It’s an awesome test though. I love it. > > Jesse > > Sent from my iPhone > >> On Jun 27, 2020, at 12:59 PM, Corey Shalanski <[email protected]> >> wrote: >> >> >> About ten years ago we set up a test wall of sorts at our company >> headquarters in New Orleans. The purpose was to monitor the >> durability/degradation of various materials - including warning labels. >> We tried to attach a variety of label types: plastic trophy plaques, >> vinyl stickers, labelmaker tape. We also used various adhesives: sticker >> OEM adhesive, double-sided tape, "Gorilla Glue", PVC cement. It should be >> noted that the wall faced southeast and was uncovered, so that it >> received daily full sun and was exposed to all other environmental >> conditions (rain, etc). >> >> The results today do not look good (attached photo). None of these >> products would appear to meet the "sufficient durability" requirements of >> NEC 110.21(B). >> >> I am curious if anyone is aware of any similar (but more formalized) >> product testing? and can share results? >> >> Has anyone found a warning label product that performs particularly well >> over time? >> >> -- >> Corey Shalanski >> <Durability Test Wall.jpg> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> List Address: [email protected] >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://www.mail-archive.com/[email protected]/maillist.html >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> www.members.re-wrenches.org >> > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/[email protected]/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org _______________________________________________ List sponsored by Redwood Alliance List Address: [email protected] Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://www.mail-archive.com/[email protected]/maillist.html List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out or update participant bios: www.members.re-wrenches.org

