Deck Refinishing Suggestions Please?

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Old 09-12-13, 03:50 PM
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Deck Refinishing Suggestions Please?

I have a big cedar deck (40í x 44í) that needs refinishing. Hereís its history: built in 2006 and stained with semi-transparent oil based. Semi-transparent looks nice but it doesnít protect as well so we switched to solid acrylic 2 years later. Wishing now I hadnít gone with cedar but thatís water under the bridge. Now the acrylic stain is peeling, mostly the horizontal surfaces. Probably should have applied a primer before the acrylic stain Ė more water under the bridge. The question is where we go from here?

Thus far Iíve washed it with deck cleaner and hosed & brushed loose much of the acrylic stain. Thereís about 70% of the stain remaining on horizontal surfaces. Vertical surfaces have almost 100% remaining. Will probably rent an orbital floor sander to get a nice smooth surface and remove more of the acrylic stain.
Iím thinking about applying an alkyd/oil universal primer coat before the stain, at least on the horizontal surfaces. Iím thinking universal primer would be better suited than a wood primer since Iím covering bare wood and patches of acrylic solid primer Ö true? Iím considering the Olympic Rescue It product for the deck floor and staying with solid acrylic for posts, spindles, etc. Thanks for your suggestions and opinions.
 
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Old 09-12-13, 04:48 PM
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Can't help you, as my staining/painting experience is very limited. The two wooden decks I've owned and maintained were both treated with oil-based stains before I showed up, and never required refinishing while I owned them.

A few of the forum's painting specialists should be along shortly to share their experiences.
 
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Old 09-12-13, 05:20 PM
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A solid stain should not have been used on the decking as you found out.
Semi transparent would have lasted at least a couple of years and not need to be sanded off to refinish.
I've never heard of any brands solid stains needing a primer.
I'd be making sure the nails or screws are set below the surface and using a belt sander not an orbital sander except where it's close to the post.
One thing I've be using for those top railings and has worked out great is composite decking instead of real wood.
 
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Old 09-13-13, 04:57 AM
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Solid stains will hold up fine on decks provided a quality deck stain is used - siding stains are not for decks!! Oil base primer is often needed on cedar decks when lighter colors are used. The oil primer seals the wood preventing the tannins from bleeding thru the latex stain, it's usually not noticeable with the darker stains. It may also have helped if the previous oil base stain wasn't weathered enough for the latex stain to bond well to the oil stain.

I've not used any of the new deck 'restore' like coatings but they worry me. I suspect that a heavy coating like that will become problematic as the coating ages. I'm concerned about portions peeling, leaving a thick ridge between the raw areas and the sound coating .... time will tell.

If you decide to sand the deck [heed Joe's warning about the nail/screw heads] I'd consider going back to a semi-transparent stain, otherwise use a quality solid deck stain. You'll find better coatings at your local paint store, not a big box paint dept where coatings are usually stocked based on low price rather than high quality. Sikkens, SuperDeck, Cabot and DeckScapes are some of the brands with a good reputation. If you do decide to use one of the 'deck restore' coatings, post back in a few years - I for one, would be interested in knowing how it held up.
 
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Old 09-13-13, 07:41 AM
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Thanks for the information guys - good food for thought. Is it an old wives tale to use a universal primer when switching from oil to latex/acrylic? A paint store guy suggested that to me back in the 70's when I was repainting an old house. Perhaps I misunderstood the logic of his suggestion.

After reading more discussions here I'm leaning toward stripping instead of sanding the floor. Its condition is actually pretty good and stripping is probably better than sanding for removing the old loose stain. It's obvious the floor won't pass the tape peel test so I've got to get that stuff off before applying a new coating.

I'm concerned too about the lack of history for the 'Restore' coatings. A lot of things work great short term but not so well in the long haul. I've reached the point where I seek the "low maintenance" solutions for grounds and buildings. I'm not s Spring chicken anymore so durability wins out over absolute beauty. If I can get the stripping done according to schedule Iíll be buying stain next week. Unless I change my mind before then Iím going with the Olympic Rescue It product so keep those suggestions coming!
 
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Old 09-13-13, 10:21 AM
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Latex coatings don't adhere well to oil base enamels. When switching interior enamel from oil base to latex you always want to use a solvent based primer [oil or pigmented shellac] On exteriors it isn't as critical. Latex paint will adhere ok to well weathered oil base paint. If your old oil base stain wasn't weathered enough it could have prevented the latex stain from adhering well. Using an oil base primer will normally prevent that from being an issue.

I'm not familiar with Olympic's Rescue It coating it's not similar to the 'restore' deck coatings I've seen advertised on TV??
 
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