Re-waterproofing boat cover

DuckHunterJon

DuckHunterJon

Lieutenant Junior Grade
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Apr 19, 2010
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My new procraft has a custom cover (fitted over trolling motor and windshield). I really like the cover as it has the procraft insignia on it, and despite being 5 years old, the boat was never stored outside so the cover looks perfect. The downside, in last night's torrential downpour, it leaked miserably. It fits perfectly, no low spots - so the water just went through the cover.

As I said, I really like the cover and don't want to replace it with a cheapy - and after buying the boat can't afford a new custom cover. Question is, is there a way to re-waterproof it from the inside?

Thanks!
 
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sltintexas

Petty Officer 2nd Class
Joined
May 28, 2010
Messages
109
Re: Re-waterproofing boat cover

I have heard many people talk about a product called 303 that is a very good water proofer. Only downside I have hard is that it is kind of pricey. Most suggest spraying the inside of the covers so sun doesn't break it down.
 
Lion hunter

Lion hunter

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Re: Re-waterproofing boat cover

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Click to expand...

Somebody needs to get rid of this freak quick.
 
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retire2disney

Seaman Apprentice
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Mar 2, 2010
Messages
35
Re: Re-waterproofing boat cover

i can testify to using the 303 fabric protectant. Just 2 weeks ago I applied it to my covers. As we just had tropic storm Bonnie come through i can report that the water just beaded up and ran off of the covers.
the product itself is not expensive $20 for 32 oz here on iboats it is the shipping that hurts. :(
 
DuckHunterJon

DuckHunterJon

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Re: Re-waterproofing boat cover

Thanks for the info. 303 sounds like the stuff. I'm headed over to Boat US today at lunchtime to grab a couple other items and will see if they carry it. If not, it's off to the internet shopping I go! Thanks again.
 
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TilliamWe

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Dec 21, 2004
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Re: Re-waterproofing boat cover

John, wait! The waterproofer sold at WalMart (used to have a bright orange lid) back in their camping section is a great product, that works well, and doesn't cost a lot. I hope you read this before you went out and spent a ton more on 303. Although 303 is a great product, the WalMart stuff is a better value, due to its much lower price. Good luck.
 
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Chris1956

Supreme Mariner
Joined
Mar 25, 2004
Messages
27,149
Re: Re-waterproofing boat cover

Scotchguard is the stuff to use. Walmart sels their storebrand of Scotchguard for $8 or so. I use it on my canvas duck covers and ski jacket and pants.
 
DuckHunterJon

DuckHunterJon

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Re: Re-waterproofing boat cover

Nope, haven't been shopping yet. Been researching the 303 a bit. Noticed they have a "303 Aerospace Protectant" and a "303 Faric Guard" (as well as several others). Which are people using on their covers? I'll look into the walmart branded ones as well - the one thing I know to stay from is Silicone based water proofers. I have used those on my motorcycle jackets before. They do a decent job waterproofing, but attract dust and dirt. Thanks again.
 
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barrrj

Seaman
Joined
Mar 11, 2010
Messages
65
Re: Re-waterproofing boat cover

Cabelas also sells Canvak and I have heard it works great. Take a look at that, I am getting some for my cover.
 
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edwardh1

Petty Officer 2nd Class
Joined
Nov 26, 2003
Messages
137
Re: Re-waterproofing boat cover

does the fabric still breathe at all with thee coatings?
 
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starcraft1982

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Feb 7, 2010
Messages
277
Re: Re-waterproofing boat cover

I was told to use thompsons water seal on it.Have not tried so im just relaying what i was told.He said to just apply it and let it dry.honestly,im skeptical.Anyone else tried/used this?
 
Fireman431

Fireman431

Rear Admiral
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Sep 17, 2007
Messages
4,292
Re: Re-waterproofing boat cover

Don't use Thompsons Water Seal. It can dry to a hard finish if too thick and it's not made for fabric.

Use the 303 if you can. The stuff at Wal-mart is OK. Or go to a Army-Navy or camping store and get "Camp Dry". It's a spray can application and works great.

Scotch Guard will work until it gets wet and then needs to be reapplied.
 
FunInDuhSun

FunInDuhSun

Chief Petty Officer
Joined
Apr 25, 2010
Messages
428
Re: Re-waterproofing boat cover

For many years I've used the MaryKate fabric waterproofer on my Sunbrella covers. Look for it online. A few months ago I got it for $35/gallon including shipping. I apply it with a small garden sprayer and wet both sides for complete coverage.
 
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