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BLO Dry Time before top coat

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Forum topic by dbriski posted 04-19-2007 12:17 AM 1709 views 1 time favorited 4 replies Add to Favorites Watch
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dbriski

22 posts in 2712 days


04-19-2007 12:17 AM

Topic tags/keywords: finishing cherry oil

I am working on a cherry cradle for my sister on a very tight schedual. I would like to put an oil (like boiled Linseed Oil) on it to enhance the grain. I am also planning on topcoating with Deft Clear wood finish (water based). It seems to have the same properties (no sanding and 2 hr recoat) as their Brushing Lacquer except its water clean up. What is the wait time on the BLO to cure before applying my top coat? Would it help to thin the BLO with Mineral Sprits or Napatha? Or a different/faster way to acheve the same thing? I have a week and half to finish construction and applying the finish. I am trying to finish it by the shower which is on the 29th, but the baby isn’t due until July so the top coat will have plenty of time to fully cure.

Thanks

-- David, www.briskibusiness.com


4 replies so far

View hObOmOnk's profile

hObOmOnk

1381 posts in 2783 days


#1 posted 04-19-2007 12:28 PM

Caution: Water and oil don’t mix.
Putting a water-based finish on top of an oil layer may not work.
I’d try it on a piece of scrap before finalizing.

Also, try a sealing coat of shellac between the BLO and final finish.

Note: The factors that effect BLO drying time include:
  • Species of wood
  • Surface prep of wood
  • Moisture content of the wood
  • Room humidity
  • Room temperature
  • The oil itsself, e.g. freshness, driers contents, etc.

-- 温故知新

View Dick, & Barb Cain's profile

Dick, & Barb Cain

8693 posts in 2955 days


#2 posted 04-19-2007 06:19 PM

I’d be cautious about the finish, because of the toxicity. I believe shellac is the safest. Boiled linseed oil has toxic dryers in it.

-- -** You are never to old to set another goal or to dream a new dream ****************** Dick, & Barb Cain, Hibbing, MN. http://www.woodcarvingillustrated.com/gallery/member.php?uid=3627&protype=1

View Ethan Sincox's profile

Ethan Sincox

765 posts in 2830 days


#3 posted 04-19-2007 07:02 PM

Those driers should have disappeared by the time the BLO is fully cured, but… given that it is a baby cradle, I’d err on the side of caution and go with Dick’s suggestion.

Get some good quality FRESH shellac flakes and make up a small batch of it. You can apply new coats of shellac every two hours or so (easily, with a cloth), sanding between coats. Top it off with a good wax finish, and you shouldn’t have much problem with it, even if the baby does use it as a teething ring…

-- Ethan, http://thekiltedwoodworker.com

View Karson's profile

Karson

34876 posts in 3056 days


#4 posted 04-19-2007 09:59 PM

I’ve used Danish Oil and topped with Shellac after 24 Hrs.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware karson_morrison@bigfoot.com †

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