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 Engineer >> 303 505-8760 >>> 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]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 >
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