1994-2002 [Subscribe to Daily Digest] |
I've tried several. I've yet to find one that had great beading after three months, or that seems to last six months (I do my cars every six). I've yet to find one that beaded for more than an hour when the rain started. They keep the water out, but the roof does start to soak up water instad of shed it.
I was very fond of Renovo Ultraproofer (not to be confused with their rejuvination products). It comes in a bottle and you brush it on. It's getting hard to find... I think Car Care Online still sells it (was iffy for a while), as does Parts for Saabs or you can get it from some UK suppliers on Ebay. I used it on my '97 starting in 1999 and it still looks great today and has never leaked once - although after 14 years, it is starting to get a little mildew on top in a few places that I think I need to kill. Note that I live in the wet Northeast and I park where it's shady 80% of the time.
I tried 303 when I couldn't get Renovo. It beaded nice at first, but it did not seem to keep that up very long. The last time I used Starbrite SeaSafe "Eco safe" Waterproofer, which is a marine product, on my 9-3's roof. Jury is still out as it has only been a couple months. I'm hoping that a marine product might be designed to stand up a little better.
I've still got thoughts of masking the car (see below) and using a pure silicone product. I'd like to see the water bead non-stop and I've yet to find anything to do that.
FWIW, I highly recommend brushing on (soft bristle brush) whatever you buy. If it comes in a spray bottle like 303 then pour it into a container and brush it anyway. If you spray you get overspray everywhere and have to detail it back off... - or you have to mask the entire car by opening the roof just a wee bit, putting a thin plastic (1 or 2 mil) drop cloth over the windows, windshield, trunk, etc, then putting it back down again to do your work. The stuff oversprays onto any adjoining cars too unless you have a large, empty garage to work in that's well ventilated but with no breeze. Since figuring out that masking technique, I've considered it even for the brush on products since they do run down the paint now and then when doing the rear quarters and you have to wipe up the drips or have a towel in place to catch them. The car mask would make the job go faster.
My .02, maybe even .05
posted by 173.76.11...
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