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Go Back   SailNet Community > On Board > Gear & Maintenance
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  #1  
Old 02-25-2012
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Power sander on teak

Can I use a power sander once I strip the old varnish from my caprail? ( I don't want to spend the whole season working on teak.) If so can I use an orbital sander or which sander would be best? Planning on coating afterwards with Sikens Cetol.
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Old 02-25-2012
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You can use an orbital sander if you like. I tend to hand sand but will quite coarse paper before going to something finer, but is just a personal preference.
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Old 02-25-2012
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I've used a couple of different detail/profile sanders and random orbit on teak, it speeds up the process a lot over strictly hand sanding. There will still be a lot of places that you just can't get to that will need to be done by hand but for the rest of it power is the way to go IMO. I have a Porter Cable and a Fein, both do a good job, actually better than by hand in tight angles or right up against gelcoat. If you get a profile sander kit it will come with different profile attachments that really work well on curved surfaces.
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Old 02-25-2012
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GREETINGS EARTHLINGS : Don't use iether buy yourself a sandvik scrapper this will remove the varnish without dissrupting the grain if you cannot get one use a stannly blade at right angles to the job or pices of 2" square glass but always were eye protection as the bits fly from the job at a massive rate of knots GO SAFE.
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Old 02-25-2012
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I use a random orbital on my cockpit grate (which I don't varnish), just to "freshen" it up.
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Old 02-26-2012
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The issue is you shouldn't use a power sander on varnish. It overheats the varnish, it gets soft, result is a mess. On stripped wood it should be fine.
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Old 02-26-2012
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Captflood suggested using a Sandvik scraper, but if you can't find that brand there are other carbide scrapers out there. They come in different sizes and are great because they very sharp and hold their edge for a very long time.

I use a carbide scraper when I need to strip the weather beaten Cetol from my teak. I then follow up with an palm sander and detail sander, with the inevitable hand sanding for those difficult areas. Putting masking tape down on your fiberglass will give you some protection when you are scraping and sanding. Vinyl tape is preferable to paper tape. It costs more--about the same as the 3M green fine line tape--but holds up better.
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Old 02-26-2012
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Thanks for the info!
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Old 02-26-2012
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power sander on teak

Of course you can use a power sander on teak. Just like on any other wood.

There have been some excellent suggestions posted already, particularly about scrapers to remove most of the old finish. (I'd forgotten about those)

It's really just a case of; if you can get a power sander on the surface, it will speed up the process. As has already been pointed out, there will always be some portion of the wood that the only thing that will work is hand/fingers and sandpaper.

An example would be:

I've got to refinish the teak rails that my companionway top hatch slides in this spring. I'll be able to use a power sander on the top/flat surface, but the sides, which are curved, it's going to be sandpaper with a rubber backer, and my fingers to get to that part. Ouch, my fingers already feel tired...

Enjoy sanding your teak. Just remember, the end result will be worth it.

Just keep telling yourself that when your fingers are aching...





Quote:
Originally Posted by brokesailor View Post
Can I use a power sander once I strip the old varnish from my caprail? ( I don't want to spend the whole season working on teak.) If so can I use an orbital sander or which sander would be best? Planning on coating afterwards with Sikens Cetol.
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Old 02-26-2012
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The Fein sander (multitool actually) suggested above is well worth the investment. It's a fantastic piece of equipment and will speed up your project dramatically.

Cheers,
h
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