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Forum topic by woodspyder posted 2012 days ago 623 views 0 times favorited 6 replies Add to Favorites Watch
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woodspyder

80 posts in 2227 days


2012 days ago

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 2419 days


#1 posted 2012 days ago

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

15652 posts in 2815 days


#2 posted 2011 days ago

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

1112 posts in 2468 days


#3 posted 2010 days ago

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 2017 days


#4 posted 2010 days ago

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 2017 days


#5 posted 2010 days ago

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 2227 days


#6 posted 2010 days ago

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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