OK, I attached this at the bottom of an existing thread already. But, let me try again. Copy/paste ...
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Several weeks ago, I cleaned and treated my roof with the RaggTopp Kit. I followed the directions precisely, except I applied 4 or 5 light coats instead of the 2 or 3 they recommend.
Today it rained here. I didn't get to examine the car until the rain was over. The rear end, which is nearly vertical, beaded the rain off almost perfectly. There were some beaded droplets still clinging to the fabric, but it was essentially dry.
The top portion, which is nearly horizontal, was a different matter. I saw very little beaded water there and the surface appeared to be wet. Is this normal, and should I be concerned? Perhaps RaggTopp isn't the best for waterproofing.
To date, I have seen no evidence of water leaking through the roof to the interior.
Oh, since this thread is about cabrio care, I'll attach another question. As others have noticed, the interior surface of my roof has some discoloration ... which is increasing with time. Is there an easy way to maybe dye the interior fabric, so it at least won't show the discoloration? I'm thinking dark grey to match my interior.