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OT...Polyurathane Interior doors

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bcsnave
bcsnave Posts: 1,009
Anyone have good advice on how to get a nice smooth, even finish on interior oak doors?

The Dude..a Mini and a Large Egg..a DigiQ DX (BGE Green)..some Cast Iron...a Thermapen.............and an Ol' Fashion

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Glenbeulah, WI

Comments

  • QDude
    QDude Posts: 1,052
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    What is your plan for applying it? Brush or spray?

    Northern Colorado Egghead since 2012.

    XL BGE and a KBQ.

  • bcsnave
    bcsnave Posts: 1,009
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    that's what I am wanting to know. Probably white china brush..then maybe steel wool and second coat


    The Dude..a Mini and a Large Egg..a DigiQ DX (BGE Green)..some Cast Iron...a Thermapen.............and an Ol' Fashion

    _____________________________________________________________________________

    Glenbeulah, WI

  • UrbanForestTurnings
    Options
    If it's water based DONT use steel wool
  • JWF
    JWF Posts: 26
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    @bcsnave Very light coats brushing with the grain in long strokes.  Gently sandpaper, fine grit (1,000) in between coats. Don't be afraid to do more than 2 coats. 
  • DoubleEgger
    DoubleEgger Posts: 17,188
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  • henapple
    henapple Posts: 16,025
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    I wouldn't and no waterborne. Varnish is an option. Easier to work with imho. 
    Try a trial run on the hinge side to make sure you're gonna get what you want. 
    Let the first coat dry overnight. 
    As stated, light coats being sure to look down the surface for holidays. 
    Constantly look back and check for runs or high builds while the product is wet.
    lightly sand with 220 being sure to see white dust. If not,wait.
    Dust and wipe with a damp thinner rag.
    Second coat.
    Buff with steel wool, dust and clean.
    Third coat.

    A soft wire brush works well in grooves like on a colonial style door. 
    Use lacquer thinner to clean your brush..well.
    Clean your brush well.
    Clean your brush well.
    Green egg, dead animal and alcohol. The "Boro".. TN 
  • fishlessman
    fishlessman Posts: 32,776
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    i did mine flat years ago with a minwax spar poly, used a brush, light coats and light sanding. work from the wet edge stroking away from it, not stroking into the wet edge. prefer a satin over a gloss finish for looks and ease, the spar poly was easily scratched for 6 months before getting fully hard, probably would use regular poly if my house didnt get so much sunlight reflecting off the lake
    fukahwee maine

    you can lead a fish to water but you can not make him drink it
  • SouthGaSmoker
    SouthGaSmoker Posts: 98
    edited March 2015
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    if you want to get a very smooth finish, apply a matching coat of wood filler to fill the grains of the oak.  Sand smooth and then apply your poly.  When it's done correctly no one will be able to tell you used the wood filler.

    http://www.woodmagazine.com/materials-guide/finishes/filling-grain-for-perfect-finishing/



    St. Mary's, GA
  • nolaegghead
    nolaegghead Posts: 42,102
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    Spar is the equivalent of the paint you put on the flexible plastic bumper covers on cars.  It has a higher content of oil and other softeners so it can flex as the temp and humidity changes.  For spar paints, it's designed that way to protect the wood from cracks in the paint that allow moisture intrusion, and it has a "sun screen" to protect from UV radiation.  Not appropriate as a finish for floors, or tables. 
    ______________________________________________
    I love lamp..
  • fishlessman
    fishlessman Posts: 32,776
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    Spar is the equivalent of the paint you put on the flexible plastic bumper covers on cars.  It has a higher content of oil and other softeners so it can flex as the temp and humidity changes.  For spar paints, it's designed that way to protect the wood from cracks in the paint that allow moisture intrusion, and it has a "sun screen" to protect from UV radiation.  Not appropriate as a finish for floors, or tables. 
    it does lay out nice on doors though
    fukahwee maine

    you can lead a fish to water but you can not make him drink it