When we used zip ties for managing wire, we were advised to buy the black ones because the pigment made them more impervious to UV. It might work the same way with clear vers opaque sealing polymers. Those with the most pigment held up best.
Bill Dorsett Manhattan, KS From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of August Goers Sent: Monday, August 10, 2015 4:53 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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