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Forum topic by woodspyder posted 01-19-2009 11:57 AM 638 views 0 times favorited 6 replies Add to Favorites Watch
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woodspyder

80 posts in 2281 days


01-19-2009 11:57 AM

Topic tags/keywords: question

I am finishing a project. I have 5 coats of dainish oil sanded to 400 grit between the last 2 coats.

My question is do I sand again before I add a coat of poly?

This is my first project in 19 – 20 years and then I only made a couple of picture frames/shadow boxes.
No experience with finishes.

-- Measure three times, cut twice.


6 replies so far

View Scott Bryan's profile

Scott Bryan

27251 posts in 2473 days


#1 posted 01-19-2009 02:31 PM

You will need to sand the project again. Poly adheres through mechanical bonding. So it will need a “roughened” surface to bond to. Just sand lightly with 400 grit, topcoat it with poly, wait overnight for it to cure and sand again before applying another coat.

-- Challenges are what make life interesting; overcoming them is what makes life meaningful- Joshua Marine

View CharlieM1958's profile

CharlieM1958

15695 posts in 2870 days


#2 posted 01-19-2009 04:46 PM

On the other hand…. You can’t go wrong following Scott’s advice, but I have applied poly over Danish oil many times without sanding first, and never had a problem.

-- Charlie M. "Woodworking - patience = firewood"

View CharlesNeil's profile

CharlesNeil

1127 posts in 2522 days


#3 posted 01-20-2009 05:32 PM

be quite certain that the oil is dry, 5 coats is alot of oil to be topping with a poly..personally i would wait several weeks, just to be safe, and yes sand it as stated above, and

View 93mwm's profile

93mwm

59 posts in 2071 days


#4 posted 01-20-2009 05:43 PM

5 coats? damn, some would call that over kill. But not me i like your style! lol. but definately sand before the poly. hell by the time youve got 4-5 coats of poly on the peice has prolly doubled in thickness ;)

-- mwm! Before you criticise walk a mile in their shoes, and when you do criticise you will be a mile away and have their shoes!

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93mwm

59 posts in 2071 days


#5 posted 01-20-2009 05:44 PM

oh and dont forget to post the project!!!!!!!!!!!!!!

-- mwm! Before you criticise walk a mile in their shoes, and when you do criticise you will be a mile away and have their shoes!

View woodspyder's profile

woodspyder

80 posts in 2281 days


#6 posted 01-20-2009 06:08 PM

Thanks for the help gang.

I will post it when finished, and after I get some 6 year old to show me how to use the digital camera and load it to the desktop.

Again thanks for the info.

-- Measure three times, cut twice.

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