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Old 12-21-2022, 09:09 AM   #15
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Join Date: May 2022
Location: NorCal
Posts: 36
Originally Posted by dghii View Post
Since 2008, none of my 4 Boxster's or current 996 cab have ever leaked a drop despite my lack of treatment. My statement is just that...not an opinion on weather to treat or not.
In my research above to see what the fabric is made from, it's pretty clear that the fabric is totally waterproof because of the middle membrane, even if the outside canvas gets soaked. I think you're right, in most cases the top is still waterproof even if not treated. Still I imagine it would dry faster, look better, and be less likely to get mildew or water spots if treated.
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