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The finer points of using Cutek CD50 ?

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  1. #1
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    Default The finer points of using Cutek CD50 ?

    It's now almost 2 years since last I oiled my turpentine deck. Still looks surprisingly good, considering. Maybe all those previous years of fiendish napisan+oxalic, eventually leaching out every trace of water-soluble stuff in the timber, is the reason: i.e., no more crap remains to come out. Anyway...

    Reading some of the more recent threads here, I notice that Cutek CD50 is getting the big thumbs up so I'll give it a try. (Previously, I'd been using the old Feast-Watson oil but was never happy with its longevity.) CD50 is not easy to obtain in Sydney though without a long drive, which is surprising. I guess it takes time for a relatively new product to penetrate a market. If any Sydney-resident users of CD50 are reading this, where did you buy it?

    The problem is that a large part of my deck is fully exposed to sun. From the website info, I gather that CD50 needs to sit on the timber for a week or more, gradually soaking in, before recoating. But from the MSDS, the main solvent in CD50 seems to be naphtha, which I presume would evaporate quickly in full sun like most other petroleum-derived solvents? So what should I do? Must I wait until the relative cool of twilight and then hope I can finish applying the CD50 before full darkness descends? Or am I being overly cautious?

    Also, does anyone know whether the active ingredients in the Cutek cleaning products are really better than the cheap napisan+oxalic method? Their SARAclean contains sodium carbonate/sulphate and disodium peroxydicarbonate which is related to Napsian (sodium percarbonate) except that there's 6 oxygen atoms per molecule in peroxydicarbonate instead of just 4 in percarbonate. So maybe that extra oxygen yields improved performance? Their WAO Stain remover contains Ethanedioic Acid which is just another name for oxalic acid -- according to Wikipedia.

    To those who have used both napisan and SARAclean: did you find SARAclean sufficiently better than napisan to justify the extra cost?

  2. #2
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    I build a lot of decks and only use cutek to finish. I only use napisan (cheap home brand version) and does equal to better job than the $50+ cleaners. After applying finish no traffic for 1-2 days then 2 weeks till recoat. I've applied in middle of day in QLD summer and it applies fine.

  3. #3
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    Quote Originally Posted by stevoh741 View Post
    I build a lot of decks and only use cutek to finish. I only use napisan (cheap home brand version) and does equal to better job than the $50+ cleaners.
    I had a feeling that might be the case.

    After applying finish no traffic for 1-2 days then 2 weeks till recoat. I've applied in middle of day in QLD summer and it applies fine.
    OK. Thanks.

    Another question: I emailed a Cutek rep and explained my situation. He recommended that since there's already a "film-forming" coating on my deck I should sand back to bare timber first. I'm a bit puzzled by this because I thought that ordinary decking oil soaks into the timber and is not "film-forming" (unlike, say, Spa-n-Deck).

    I was hoping to simply give my deck the napisan+oxalic treatment, and then apply Cutek. I can't face a big sanding job right now. If the latter is really necessary maybe I should just leave this task until I'm ready to sell the place in 5-6 years time. But I'd like to do something to pretty up the deck for my own benefit in the meantime, so I'm wondering whether the "sand it back" recommendation is truly essential or merely a "for best results" statement. Any thoughts?

  4. #4
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    Up on the coast the suppliers give away free sample pots. I'd steal some napisan from the mrs/laundry clean a small section with it and try it with some from a sample pot. That way costs you nothing and you get to see results....

  5. #5
    4K Club Member ringtail's Avatar
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    Whats the "life" of the cutek ? Is it just like everything else out there or .....?

  6. #6
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    Quote Originally Posted by ringtail View Post
    Whats the "life" of the cutek ? Is it just like everything else out there or .....?
    clear 3 months on decking, coloured a bit longer.

    for cladding about 12 - 15 months

  7. #7
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    Quote Originally Posted by Gaza View Post
    clear 3 months on decking, coloured a bit longer.
    Not sure what your doin mate but water still beads off my clear on fully exposed deck 18mths after application and I've had tinted on vertical surface for over 2.5yrs and only just looking like needing a recoat. If I wasn't so busy/lazydependant on beer/etc I'd try to put a coat down annually but mainly just out of habit from using other (less satisfying) coatings.

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    Quote Originally Posted by stevoh741 View Post
    Not sure what your doin mate but water still beads off my clear on fully exposed deck 18mths after application and I've had tinted on vertical surface for over 2.5yrs and only just looking like needing a recoat. If I wasn't so busy/lazydependant on beer/etc I'd try to put a coat down annually but mainly just out of habit from using other (less satisfying) coatings.
    we did 14000m2 of decking with it two years back had to be recoated before the handover as it was starting to go..

  9. #9
    4K Club Member ringtail's Avatar
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    1 4 0 0 0 m 2 - holy cow batman ! Sore back after that one gaza ?

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    Quote Originally Posted by stevoh741 View Post
    I'd try to put a coat down annually but mainly just out of habit from using other (less satisfying) coatings.
    When you re-coat, do you just give it a soapy water clean down and rinse or???

  11. #11
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    Quote Originally Posted by ringtail View Post
    1 4 0 0 0 m 2 - holy cow batman ! Sore back after that one gaza ?
    Haha

    I actual only did the first one then was doing internal stairs there was 30 sets of.

  12. #12
    4K Club Member ringtail's Avatar
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    Out of the sun, smart boy.

  13. #13
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    Quote Originally Posted by stevoh741 View Post
    [...] water still beads off my clear on fully exposed deck 18mths after application [...]
    That's astounding.

    Since this is sharp contradiction with what Gaza said, something must have been very
    different between what you each did.

  14. #14
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    I fully prep and prepare my decks for coating. Come up the coast and have a look if you want to see it at 18mths

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    Quote Originally Posted by stevoh741 View Post
    Come up the coast and have a look if you want to see it at 18mths
    Thanks for the offer, but Qld is a bit far for a Sunday drive from Sydney...

  16. #16
    4K Club Member ringtail's Avatar
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    Quote Originally Posted by strangerep View Post
    Thanks for the offer, but Qld is a bit far for a Sunday drive from Sydney...
    Geez you southerners are soft

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  18. #18
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    Hey. That's not that southern.

  19. #19
    4K Club Member ringtail's Avatar
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    Anything south of me is southern

  20. #20
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    Quote Originally Posted by ringtail View Post
    Geez you southerners are soft
    Oh, I am probably "soft" even compared to other Sydney-ites.
    Nature gave me a decent brain to compensate...

    (Hmmm, I wonder if that counter-jibe will be too subtle... ;-)

  21. #21
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    Quote Originally Posted by stevoh741 View Post
    Your location says merely "Qld". If you're prepared to be a bit more specific than that (i.e., if you're within a few hours drive from Brisbane), maybe I will indeed darken your door next time I visit relatives in Brisbane. )

  22. #22
    4K Club Member ringtail's Avatar
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    Quote Originally Posted by strangerep View Post
    Oh, I am probably "soft" even compared to other Sydney-ites.
    Nature gave me a decent brain to compensate...

    (Hmmm, I wonder if that counter-jibe will be too subtle... ;-)
    And yet here you and your superior brain are, trying to pry info out of us knuckle draggers.

  23. #23
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    Quote Originally Posted by ringtail View Post
    And yet here you and your superior brain are, trying to pry info out of us knuckle draggers.
    Well, that's the smart thing to do, isn't it? I.e., if one doesn't know something, find someone who does, and absorb their knowledge as quickly and thoroughly as possible.

    Anyway, good on ya ringtail. Live long and procreate...., er...., prosper.

  24. #24
    4K Club Member ringtail's Avatar
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    Doing all three as I type. Tricky, but do-able

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    Quote Originally Posted by ringtail View Post
    Doing all three as I type. Tricky, but do-able
    Trying to get my head around the idear of procreateing while typing could you post some pics ?

  26. #26
    4K Club Member ringtail's Avatar
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    Sorry, my hands are tied. Typing with nose. Too much information

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    Quote Originally Posted by ringtail View Post
    Sorry, my hands are tied. Typing with nose. Too much information

  28. #28
    4K Club Member ringtail's Avatar
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    Now now, thats not the right attitude. Never give up grasshopper

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    Quote Originally Posted by ringtail View Post
    Now now, thats not the right attitude. Never give up grasshopper

  30. #30
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    1st pic
    deck.jpg

  31. #31
    4K Club Member ringtail's Avatar
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    Flash pad gaza

  32. #32
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    What timber is that? Is there a tint in the Cutek? Can we all come over and sit on your deck?

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