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  1. #1
    Professors Graduate Student bigchaz's Avatar
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    Dealing with Sap

    Anyone have an effective method for dealing with sap on pressure treated pine? Our first step of course is to try and let new wood age and dry a few months before we stain it, but sometimes I still run into issues. We use penetrating oil stains so I've even seen it come up on 20 year old decks. I've tried the turpentine on a rag but when the sap gets pushed to the surface of the wood it crystallizes in the sun to that white color. Right now I just scrape off what we can with a putty knife and lightly sand and then rag on some extra stain. If the sap vein is large though it just bleeds out more later on.

    Thankfully it is a rare occurrence but can be a nuisance and trigger customer callbacks which I prefer to avoid.

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    Charlie S.
    Apex DeckSavers
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  • #2
    Member Graduate Student Seymore_BlEaCh's Avatar
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    Not much you can do I know of other than what you doing now Charlie. Can you flip the board since its not routered?

    John Devine on Facebook did talk about wiping it down with Murphy oil then restain?

    Last resort would be replacement...
    Shane Brasseaux
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  • #3
    Professors Graduate Student ABC's Avatar
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    Quote Originally Posted by Seymore_BlEaCh View Post
    Last resort would be replacement...
    +1...


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    Adrian B. Carrier
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  • #4
    Member Graduate Student
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    What is Murphy's oil going to do ? You have to put shellac or a hardener over the spot to prevent leakage. Very difficult to know its going to leak out .


    Jim Foley, Owner/Operator
    www.ipressureclean.com
    203-754-4284 or 860-354-0855

  • #5
    Exterior Restoration Specialist 21000 PLUS POSTER Ron Musgraves's Avatar
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    Quote Originally Posted by bigchaz View Post
    Anyone have an effective method for dealing with sap on pressure treated pine? Our first step of course is to try and let new wood age and dry a few months before we stain it, but sometimes I still run into issues. We use penetrating oil stains so I've even seen it come up on 20 year old decks. I've tried the turpentine on a rag but when the sap gets pushed to the surface of the wood it crystallizes in the sun to that white color. Right now I just scrape off what we can with a putty knife and lightly sand and then rag on some extra stain. If the sap vein is large though it just bleeds out more later on.

    Thankfully it is a rare occurrence but can be a nuisance and trigger customer callbacks which I prefer to avoid.

    1040895_10100444736037616_169722767_o.jpg
    Sap!!!! Glad the worst thing I worry about is double bubble


    Oct event San Diego free free text me for more details !!
    Ron Musgraves


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  • #6
    Professors Graduate Student ABC's Avatar
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    Quote Originally Posted by Ron Musgraves View Post
    Sap!!!! Glad the worst thing I worry about is double bubble


    Oct event San Diego free free text me for more details !!
    Sometimes you can get away with flipping the board in question and resinking it.
    Alot of times though, if it's still sapping on top, it will most likely do it on the flipped side as well.


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    Adrian B. Carrier
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    ABC Pressure Washing & Deck Rescue
    Kingwood (Houston), Tx.

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  • #7
    Professors Graduate Student bigchaz's Avatar
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    Too hard to flip a board that's nailed without it breaking apart. Funny this post came up again, doing a call back for this same deck again. Will end up replacing 8 16' boards. I hate that there is no way of telling ahead of time if sap will come up, obviously its not my fault but its hard to tell a customer that after they spend 3 grand and sap shows up a week after your done staining. Ive been eating the cost of fixing those jobs on the call back.

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    Charlie S.
    Apex DeckSavers
    Deck Cleaning and Staining
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    charlie@apexdecksavers.com


  • #8
    Professors Graduate Student bigchaz's Avatar
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    Pain in the butt! I hate sap

    Sent from my SCH-I535 using Tapatalk 2
    Charlie S.
    Apex DeckSavers
    Deck Cleaning and Staining
    (919)-302-1523
    charlie@apexdecksavers.com


  • #9
    Exterior Restoration Specialist 21000 PLUS POSTER Ron Musgraves's Avatar
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    Hate sap to and never seen it


    Oct event San Diego free free text me for more details !!
    Ron Musgraves


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  • #10
    Member Junior Undergraduate carolinawildcat's Avatar
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    Try Purel. Apply, sit for 3-4 sec, wipe. Repeat. On big deck jobs, we stain several loose sticks, much like putting extra tiles or shingles in the garage. The patina never matches, but better than starting over with a fresh board a year later.
    AT Horton
    Leader of The Hacks
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    "Stencils are for Guys That Are Afraid To Sell"

  • #11
    Professors Graduate Student bigchaz's Avatar
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    You mean purel like the hand sanitizer?
    Charlie S.
    Apex DeckSavers
    Deck Cleaning and Staining
    (919)-302-1523
    charlie@apexdecksavers.com


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