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Boat canvas help please.

WishWish Posts: 7,319 ★★★Triple Panda Award Recipient ★★★
So I have a typical gray boat cover. It's under a roof boat house but FL humidity and the fact that it rains sideways, it's starting to get mold. Not horrible but don't want it to get worse. Any suggestions to clean and treatment when it's gone? Also any suggestions for dehumidifing under the canvas. It does have 3 vents but it's as humid on the inside as out so....
>>> 11.25..a different kettle of fish. <<<

Comments

  • StonerStoner Posts: 72 Baller
    @Wish here you go for a MI technique for mold and mildew:
    1. Dry in the sun with airflow if possible. 2. Clean with brush or shopvac to get rid of crud that dries then wipe down with 1:1 denatured alcohol and water (distilled if want to get to gnats ass level) 3. Dry in sun again 4. Pick a fungicide and apply. I use a 1 gallon sprayer with a wand. 5. Let dry and use. 6. Reapply fungicide as needed. Look at Eva Dry dehumidifiers. I know a bunch of people that run them in big lake boats and rvs in the summer. Should work to get the air moving. I have the original 27 year old cover on my boat. When it gets gamey I dock the boat in the sun to dry out then cover the boat and leave in the sun to dry the cover. Then I repeat fungicide if needed.
    Wish
  • CommuterfisherCommuterfisher Posts: 83 Baller
    edited January 2016
    Goldenrods are good because they do not need to be replaced. Here is a link
  • HortonHorton Posts: 25,687 Administrator

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  • oldjeepoldjeep Posts: 3,121 Mega Baller
    edited January 2016
    I think that before I tried a regular dehumidifier under a boat cover (generate heat like crazy), that I'd try something simple like a vent with a fan in to aid air circulation.

    Link Deleted
    Chuck P
    Not a mechanic but I play one at home
  • WishWish Posts: 7,319 ★★★Triple Panda Award Recipient ★★★
    Nice idea but the cover never sees sun. Not sure circulating already humid FL air will help much.
    >>> 11.25..a different kettle of fish. <<<
  • thagerthager Posts: 4,307 Mega Baller
    @Wish Surround your lift with tennis netting like I did and leave the cover off.
    Stir vigorously then leave!
  • WishWish Posts: 7,319 ★★★Triple Panda Award Recipient ★★★
    @Thager. I'd like to but the humidity this time of yr with cooler weather makes the moisture stick to everything like a cold coke can in the summer. I'd have to have 10 towels just to dry everything off to use it. We do leave it off a lot in the summer. And I do have shade cloth along the sides.
    >>> 11.25..a different kettle of fish. <<<
  • thagerthager Posts: 4,307 Mega Baller
    @Wish The shade cloth needs to be able to breath!
    Stir vigorously then leave!
  • WishWish Posts: 7,319 ★★★Triple Panda Award Recipient ★★★
    edited January 2016
    @Thager it's open at each end and one side is full shade cloth..the other is only two thirds as the roof system shades the rest. This time of yr, everything is soaked in the am for the most part. Cars are the best example. Can't pull out of the driveway without running the wipers. Boat cover is essential. And it's usually damp for hours in the am.
    >>> 11.25..a different kettle of fish. <<<
  • DmaxJC_skiDmaxJC_ski Posts: 346 Solid Baller
    edited January 2016
    Is the condensation building from the inside or is it leaching through your cover? You could just wash the cover then treat it with starbrite tarp sealer. Link Here
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    Support BallOfSpray by supporting the companies that support BallOfSpray

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  • WishWish Posts: 7,319 ★★★Triple Panda Award Recipient ★★★
    @DmaxJC_ski good question. I see water beed as designed so no, not leaching. But, top stays somewhat damp in the am this time of yr.
    >>> 11.25..a different kettle of fish. <<<
  • WaternutWaternut Posts: 1,511 Crazy Baller
    First things first... make sure you have adequate ventilation under the cover. If you've got that covered, continue.

    I live in GA so I understand the humidity issues although we don't see them quite as much as you guys in FL. One thing that helped me was spraying the cover with some waterproofing spray. In fact, I about to treat it again but I need it to stop raining everyday first. It helps the fabric wick the water away a little faster so it will dry faster. If that doesn't help, a fan really does make a difference provided you have adequate ventilation. Yes you're circulating humid air but 90% humid air is still drier than condensation and the air outside is almost always going to be a little drier than under the cover so it's going to help...a lot!
    Wish
  • CommuterfisherCommuterfisher Posts: 83 Baller
    I recently found that this issue of mold has happened to me. I ordered two Davis dehumidifiers and this solar vent fan by Eco-Worthy.

    http://www.amazon.com/ECO-WORTHY-Solar-Powered-Venting-Stainless/dp/B00I1D4S9C/ref=sr_1_1?ie=UTF8&qid=1460399766&sr=8-1&keywords=solar+eco+vent

    I plan on putting the vent into the cover. It runs a small fan slowly constant all day and into the night until the battery runs out then recharges during the daytime while the fan runs. Hopefully this will do the trick.
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