Use of filler in first coat of varnish?

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11 years 10 months ago #3377 by jalaking
Use of filler in first coat of varnish? was created by jalaking
Hi All,

After much research and reading posts here on the topic I decided to replace our failed cetol with varnish, using Captain's varnish, making the first coat 50/50 varnish and brushing thinner and the other eight coats 80/10. I will finish with two coats of epiphanes when the whole boat is complete. It has taken me about two weeks to do just the combings in the cockpit. It looks beautiful BUT
careful inspection reveals that the open wood grain still shows up as dents in the surface.

Would mixing the first coat with filler alleviate the coarseness of the grain? If so, what has anyone used? Horizons is 25 years old and has always had cetol. We were unable to keep up the cetol owing to two unforseen years in the DR, where it is not available, and the cetol lifted and left the wood unprotected, allowing the rain to raise the grain.

I like the look of the varnish, and believe it will be no harder to maintain when finished than cetol but would like to see if I can solve the open grain question before I go further. A neighbor has a wooden boat that looks like glass, but his recommendations were definitely at odds with those of the Interlux rep and his boat is mahogany not teak.

We have finished our 13 years of living aboard and are now going to spend some serious time on deferred maintenance.

Thanks for your help,

Laurie King
Horizons
IP38-84

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11 years 10 months ago #3379 by hayden
Replied by hayden on topic Re: Use of filler in first coat of varnish?
Laurie:

Since you said the wood grain has raised, then I would look into using a "sandvik carbide scraper" to level the wood grain. These are easy to use and leave the wood almost burnished. They take off a small amount of wood almost like a hand plane but not as much. I use these all the time and I would do this over wood fillers. Yes, fillers will fill in the holes, but fillers are for more open grain woods like Oak or Mahogany where as Teak is not as open as that. If the surface is scraped I bet you will be amazed at how smooth it gets.

Google this:
sandvik carbide scraper

Or find one at Lowes or Home Depot. Then try a section of wood.

Hayden

Hayden Cochran
IP35-165 Island Spirit
IslandSpirit35.blogspot.com
Rock Hall, MD

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