Thread Sealer tape???

Discussion in 'Sport Yachts/Yachts' started by jzanthony, Apr 21, 2019.

  1. jzanthony

    jzanthony Member

    117
    Aug 17, 2015
    Port Lambton, ON Lake St Clair
    99 Sea Ray 380 DA
    7.4 Horizons
    Is there such a thing as tape to seal where thread passes through canvas, canvas itself we spray every year and it's good but the holes where the thread passes through leaks.

    any thoughts
    thanks jamie
     
  2. CaptRonn

    CaptRonn Active Member

    312
    May 25, 2016
    on a large body of water
    1999 Sea Ray 400 Sedan Bridge
    Convert fuel into noise
    After construction? Nope.

    During assembly and sewing of sunbrella I use a basting tape in the seams, and that waterproofs them.

    Maybe someone else has a fix after the fact?
     
    jzanthony likes this.
  3. sbw1

    sbw1 Well-Known Member

    Oct 10, 2006
    West Michigan
    This is listed in my signature
    This is listed in my signature
    2808670-R1-015-6.jpg Any good water proofing spray will prevent leaks at needle holes except where water pools on the canvas. A good canvas design prevents pooling which should always be avoided. Sunbrella will mist in a hard rain but it is not unpleasantly wet.
     
  4. atrick

    atrick Active Member

    230
    Mar 4, 2017
    Penna
    1995 searay 290 Sundancer
    1990 21 maxum
    Twin 4.3 mercrusers with alpha one genII drives
    305 chevy with a alpha one drive
    They used to make a sealant just for that as I used it once for a top years ago so don't know if they still do or not. It actually worked pretty good.
     
  5. Dave - M

    Dave - M Member

    58
    Aug 29, 2018
    1990 270 Sundancer
    7.4 Mercruiser
    I had leaking seams some years ago and used brush-on tent seam sealer. It worked well but the seams were dirt magnets after that. Stayed dry though. Darker canvas might not show as much.
     
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  6. jzanthony

    jzanthony Member

    117
    Aug 17, 2015
    Port Lambton, ON Lake St Clair
    99 Sea Ray 380 DA
    7.4 Horizons
    I have seen a product similar to what your describing, was worried it would stay tacky though.

    maybe a vulcanized rubber would work, it's not terrible just curious if anyone has fixed such an issue. I know next boat will be hardtop forsure.

    jamie
     
  7. JeffM

    JeffM Member SILVER Sponsor

    540
    Oct 6, 2006
    Magothy River, MD
    2000 Sea Ray 260 Sundancer
    5.7 EFI w/Bravo III
    Perhaps a beeswax crayon rubbed along the troublesome seam? You might have to RE-apply it occasionally, but it would be relatively cheap.
     
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  8. NotHerDecision

    NotHerDecision Well-Known Member PLATINUM Sponsor

    Jun 28, 2016
    Houston, Texas
    2001 Sea Ray 460 Sundancer
    2014 Seadoo 155 LTD
    2105 Seadoo 130 SE
    2013 Mercury Dinghy
    Cummins 6CTA 8.3L
    303 for fabric. Apply it carefully and do not get it on the wise glass. It works like a dream. When you go back and apply additional coats you will see it bead up and know you have totally saturated the fabric.

    I clean our canvas every year and liberally apply 303 fabric protectant with a big sprayer and it hasn’t failed yet.

    Josh
     
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  9. The Bill Collector

    The Bill Collector Well-Known Member GOLD Sponsor

    Jun 2, 2008
    Tacoma, WA
    450 Sundancer
    3126 Cat's
    jzanthony likes this.
  10. jzanthony

    jzanthony Member

    117
    Aug 17, 2015
    Port Lambton, ON Lake St Clair
    99 Sea Ray 380 DA
    7.4 Horizons
    We apply the 303 every year as well works amazing. unfortunately the thread holes are too large, either the canvas shrank around them or the thread itself is smaller leaving holes you can see light through, Seems like there is a few options to try out this season that might help.

    This isnt a big issue, its a rare occasion where water comes in but would love to find away to eliminate till we put new tops on down the road. Thinking next time around maybe Seamark vs Sunbrella.

    Thanks everyone for the suggestions we are ready to splash any day now.

    Jamie
     
  11. The Bill Collector

    The Bill Collector Well-Known Member GOLD Sponsor

    Jun 2, 2008
    Tacoma, WA
    450 Sundancer
    3126 Cat's
    Every spring I use a good canvas cleaner, allow to dry completely and than apply a good coat of 303 with a paint roller...
     

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