Aloha William, So far 8+ years under the module in the shade, and about 4-5 if there in direct sunlight.
On Thu, Aug 20, 2015 at 6:30 PM, William Miller <will...@millersolar.com> wrote: > > James: > > How long do your black "zips" hold up? > > William > > > On Aug 20, 2015, at 5:18 PM, James Rudolph <jamesrudolp...@gmail.com> > wrote: > > Aloha, > > We use GeoCell 4500 (Black) daily for years with no problems here in > Hawaii ($4.99 a tube). I have also heard that black zips or sealant holds > up better in the UV light, and my field experience seems to validate this. > > > On Tue, Aug 11, 2015 at 5:09 PM, Ray Walters <r...@solarray.com> wrote: > >> I've used Lexel before, it's the best clear caulk I've used. I used it >> even to repair cracks on plastic lens on concentrating modules. It holds >> its clarity for a long time, however I don't know if its approved for >> asphalt shingles. >> >> R.Ray Walters >> CTO, Solarray, Inc >> Nabcep Certified PV Installer, >> Licensed Master Electrician >> Solar Design Engineer303 505-8760 >> >> On 8/11/2015 12:01 PM, Kevin Pegg wrote: >> >> At recommendation from a roofer couple years ago, we have been using this >> product: >> http://www.sashco.com/products/lexel/ >> >> Not used long enough to know if it stands the test of time. >> >> Kevin >> >> -----Original Message----- >> *From:* RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org >> <re-wrenches-boun...@lists.re-wrenches.org>]*On Behalf Of *August Goers >> *Sent:* August 10, 2015 2:53 PM >> *To:* RE-wrenches >> *Subject:* [RE-wrenches] clear sealant recommendations >> >> Hi Wrenches, >> >> >> >> For the most part we are using Chemlink M1 sealant for to seal our >> rooftop penetrations. It hasn’t let us down yet. >> >> >> >> M1 is a available in several opaque colors and grey is the most common. >> Sometimes we want a good quality clear sealant to put around conduit >> fittings, where our conduit enters buildings, etc. We used Geocell 2300 in >> the past and I don’t have anything bad to say to it but our current >> supplier doesn’t carry Geocell products. More recently we’ve tried Chemlink >> Clear sealant but I’ve already seen signs that it doesn’t hold up well in >> the elements – it seems to peel off the surface it was installed on and >> turn brown relatively fast. >> >> >> >> Does anyone have a good multipurpose clear sealant that they like? >> >> >> >> Best, >> >> >> >> August >> >> >> >> >> >> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Change listserver email address & >> settings:http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/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: RE-wrenches@lists.re-wrenches.org >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> www.members.re-wrenches.org >> >> >> > > > -- > > *James B. Rudolph* > *Haleakala Solar* > *Director of Construction* > > *NABCEP Certified PV Installer # 091209-155* > > > > > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/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: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > > -- *James B. Rudolph* *Haleakala Solar* *Director of Construction* *NABCEP Certified PV Installer # 091209-155*
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