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Thread: Deck-O-Joint

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    smc's Avatar
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    Deck-O-Joint

    Who in their right mind thought this junk was a good idea? The sun just eats it. I'd like to resurface the deck eventually, but can I put grout or sealant in those joints until I can?

    http://www.deckoseal.com/792.htm
    26k gallon IG plaster/shotcrete
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    Guest

    Re: Deck-O-Joint

    Tear it out and put in mastic (or Sikaflex SL). You are dead on with your assessment of the plastic channel! I hate that stuff and it always fails. Tear it out, use sand or backer rod to fill the depression to about 1/2" of the finished elevation, and put in the mastic material. Use some of the sand on top of the mastic so that it doesn't look all shiny (it will look more like a grout joint) and you will be fine!

    Bruce

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    Re: Deck-O-Joint

    I have this on my deck. Probably 25 years old, still looks fine???

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    Re: Deck-O-Joint

    Quote Originally Posted by piku
    I have this on my deck. Probably 25 years old, still looks fine???
    Most likely the temperature difference from AZ to PA

    Bruce

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    smc's Avatar
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    Re: Deck-O-Joint

    Hot and sunny all year 'round. I'm still swimming.

    Sand and mastic? What about sand and that expansion joint sealer stuff? I was originally thinking of using some sanded grout I had left over from tiling the house, but wasn't sure how it would last in the elements and chlorine.
    26k gallon IG plaster/shotcrete
    Pentair 1 HP Hydropump
    C-9419 catridge filter
    Kreepy Krauly Cruiser

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    Re: Deck-O-Joint

    Good luck getting the expansion foam to look good once it goes off That stuff gets everywhere, and it would be tough to make look nice.

    Regular sanded grout is not made for such a large application, and it would crack. You need something flexible to handle the expansion and contraction.

    Once you learn how to do the mastic it really is easy. One time and you should be good, and then you can charge all your friends (it goes for $7.00 a foot here to remove and replace!) when they need theirs done!

    Bruce

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    smc's Avatar
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    Re: Deck-O-Joint

    OH NO! I've had my fun with Great Stuff, in fact I'm wearing the shorts right now that still have some stuck after a year and a half. Ruined a pair of Nikes too! I meant the stuff for concrete slabs.
    26k gallon IG plaster/shotcrete
    Pentair 1 HP Hydropump
    C-9419 catridge filter
    Kreepy Krauly Cruiser

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    Re: Deck-O-Joint

    I have these joints on my deck, still look fine?
    19,800 gallons (closed/winter 18,654 gal); plaster; 18x34 Ft kidney bean shape, Depth 3Ft-5Ft. Built 1992
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    svenpup's Avatar
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    Re: Deck-O-Joint

    Quote Originally Posted by simicrintz
    Tear it out and put in mastic (or Sikaflex SL). You are dead on with your assessment of the plastic channel! I hate that stuff and it always fails. Tear it out, use sand or backer rod to fill the depression to about 1/2" of the finished elevation, and put in the mastic material. Use some of the sand on top of the mastic so that it doesn't look all shiny (it will look more like a grout joint) and you will be fine!

    Bruce
    Re-hashing this thread...

    Any tips as to how to tear the deck-o-**** out? Do I need to get it all the way to the "root"? Looking at the OP's link to deckoseal it looks like it is bonded into the concrete. Will it just pull out given enough force?

    On a related topic, I have a similar plastic moulding material between the coping and the vertical pool wall that is also cracking and failing. Can I replace that with Sikaflex in that crack as well? Will it hold on a vertical face while curing?
    TFP Method Advanced Intermediate
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    Re: Deck-O-Joint

    Any tips as to how to tear the deck-o-**** out? Do I need to get it all the way to the "root"?

    Probably, depends what is going in its place I assume

    Looking at the OP's link to deckoseal it looks like it is bonded into the concrete. Will it just pull out given enough force?

    Don't think it is "bonded" chemically, just mechanically. I have gaps betw mine & the concrete so doubt a chemical bond, call teh mfg, they are nice
    19,800 gallons (closed/winter 18,654 gal); plaster; 18x34 Ft kidney bean shape, Depth 3Ft-5Ft. Built 1992
    Pentair Whisper Flow Pump 1HP. Winter safety cover w anchors.
    Sand filter, Pentair Sand Dollar Top Mount Model SD80; Effective Filtration Area 3.5SF
    - FlowRate 75GPM, 8Hr 36,000, 10Hr 45,000, 12Hr 54,000; Pressure Weight 50PSI
    BBB (Hayward Chlorinator when leave town). Polaris 360 cleaner.

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    Richard320's Avatar
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    Re: Deck-O-Joint

    Well now I know what this splintering plastic **** in my patio and deck is called!

    Ripping it out and filling the expansion joints with some sort of caulk is on my list of things to do before next rainy season.

    I have a large assortment of tools. I was thinking of the circular saw first, with a shallow cut, to split the stuff. That usually makes things easier to dig out. Or maybe an air chisel.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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