re: Convertible top waterproofing products

["Giller,Bruce C." <bgiller@domain.elided>]

Ian,
	Many years ago, I applied Thompson's water seal to an aging top on my
Spider.  It was the oil-based sealer which really smelled since I put on
2 coats.  But I did it in the summer so it quickly dried out (the stink
didn't go completely away for 2 days).  It did a great job on
waterproofing the top; I had some seams where you could see daylight
between the stitches and water would just pour down on you in a good
rain/thunderstorm.  However, it did darken the top (a sun faded black)
and it looked a bit streaky.  This was only a stop gap measure until I
replaced the top a year or so later.

	Thompson's now is a water-based sealer and I haven't tested it with any tops.

	Bruce

	'73 GTV
	'86 Spider

> Anyone have any experience with water sealing or waterproofing products
> for the Alfa Tops?  My canvas top seems to leak during heavy rain, and
> I'd like to try sealing it before I go and do anything drastic.
> 
> The two options I see are:
> 
> Thompsons water seal - should be available locally, meaning I can apply
> tomorrow.
> 
> Renova Ultra Proofer - supposedly made specifically for this purpose,
> but I have to wait who knows how long for mail order.
> 
> Any experience welcome.
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