Quote:
Originally Posted by brulaz
Is the original caulk on yours silicone based? Ours was. The new stuff they're using (polyurethane-hybrid) is quite different. More solid feeling, not near as stretchy and seems to stick to just about anything. Apparently this is what they're using on all the new ones.
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I have no idea. I've never been up on the roof or at roof level. But it's been through several healthy rainfalls now without any sign of leakage.