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
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