what is the best waterproofing for my cover?

2fast4u

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303 fabric protectant or Star Bright waterproofing or another option, I used 303 last year and it did not seem to last even 1 year, Thanks for the reply
 

BigKahuna

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I used Starbrite waterproofing spray on my old boat. I did the mooring cover and carpet on alternating years... .
 

sunedog

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I'm a big fan of 303 Aerospace Protectant, but I was really disappointed in their fabric guard. I bought a gallon of 303 Fabric Guard to treat my cover. I screwed up and did not finish the whole cover before running out. I was not able to find the same product locally that day, so I finished the job with a quart of Starbrite. Every time it rained, you could clearly see the difference -- the water beaded up on the Starbrite section. Not on the 303 parts.
 

JohnL

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Great info, I have used the 303 product for a couple years now. It seems to hold up well for a couple months then deteriorates quickly. It might be worth trying the Starbright product to compare results.
 
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