Author Topic: Refinishing Large Deck. Seeking advice on prep and product choice.  (Read 1403 times)

Candace

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Hi all,

I'm getting ready to refinish a large back deck, and want to make sure I do it right, so I'm seeking advice.

I applied Rust-Oleum Deck and Concrete Restore to my *front* porch six years ago, and it's doing great. I'm dithering over my choice of product for the back deck. The same product isn't available anymore, at least by the same name -- it's now something called Restore 10x Advanced. It's probably just the same thing. It's the stuff that's really think, a pain in the ass to apply, but lasts several years before needing touchup -- if it's been done correctly. It's applied with a honeycomb roller and leaves a nubby finish. Vertical surfaces take stain in the same color. I'm proud of the job I did on the front deck and don't mind taking the extra time with the product. It lasts a long time. However, when I looked up information on the interwebs this time, there seem to be a LOT of people who are unhappy with this product, and even a class action lawsuit. So I looked to see if there is another product out there without an angry mob shaking their fists at it, and ended up in too-many-choices-and-conflicting-information-land.

When I did my front deck with Rust-Oleum Deck and Concrete Restore, the deck was looking pretty weathered and gray, but it didn't have paint or visible stain on it. I think perhaps it was just sealed, or even just naked but treated wood. So I didn't have to be concerned about getting any previous finish off of it, which made things simpler. It's also covered and only gets sun in the afternoon. Most of it gets no traffic at all.

My back deck, which is much larger, was painted with a Behr product that was billed as elastomeric, three or four years ago. I hired a company to do it, back when I was working and didn't want to spend my free time redoing the deck. Either the product sucks or the company didn't prep properly, or both, because within a year or two, it was peeling. Now, I'm FIREd and have the time and desire to do it myself. I'm concerned with 1) proper prep, especially getting the prior product off, and 2) choosing the right product that will last 7 or so years, like the stuff I used on the front porch. I'm going to post pictures to show what it looks like now, but they won't post with the OP for some reason.

DH has already replaced almost all of the boards that needed replacing. He did those last fall, so they've had time to weather. He still needs to do one or two more, so I'll end up skipping those and coming back to them later. This is not how I'd like to pursue it, but I have to do the refinishing before the temperature starts hitting 90 F, and doing it in the fall is impractical because of a ton of falling leaves. My window is now (April 1st) until late May or early June. I say this because the Rust-Oleum product says to apply it when temperatures are between 50 F and 90 F.

For prep, I own a power washer and live close to an equipment rental shop, so I could rent a sander etc., or even buy tools if it makes sense.

I'm seeking advice on proper prep, and advice on what product to use if anyone has experience and/or strong opinions. I'm also looking for tips on things I haven't considered, because there are surely some things I'm not aware of.

For color, I think I'm going to go with the color of dead leaves :-/ because otherwise it looks terrible out there half the time. Grin.

Candace

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Re: Refinishing Large Deck. Seeking advice on prep and product choice.
« Reply #1 on: April 01, 2019, 11:40:29 AM »
Attempting to post one of the pictures of what the deck looks like now.

Candace

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Re: Refinishing Large Deck. Seeking advice on prep and product choice.
« Reply #2 on: April 01, 2019, 11:42:47 AM »
Two more pictures of what the deck looks like now.

thd7t

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Re: Refinishing Large Deck. Seeking advice on prep and product choice.
« Reply #3 on: April 01, 2019, 11:55:19 AM »
To clean the existing finish, I think you'll be fine with a small size push broom type brush.  Use a detergent/water mix and some elbow grease.  I think that if you've liked the Rust-o-leum product, you should go with the new version of it.  Don't let perfect be the enemy of the good on that part.

Candace

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Re: Refinishing Large Deck. Seeking advice on prep and product choice.
« Reply #4 on: April 01, 2019, 12:05:53 PM »
Thanks for the feedback.

Do I need to get all of the existing finish off in order for the new finish to adhere properly? This seems like a dumb question to me, which is one of the reasons I'm asking for advice on this thread.

thd7t

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Re: Refinishing Large Deck. Seeking advice on prep and product choice.
« Reply #5 on: April 01, 2019, 02:28:51 PM »
You don't need to get all of it off.  Just anything loose and any loose dirt.

Megma

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Re: Refinishing Large Deck. Seeking advice on prep and product choice.
« Reply #6 on: April 01, 2019, 02:33:04 PM »
I am also doing my deck this spring!

I have no clue what I am doing but my dad said to powerwash it really good, let it dry and then I can re-paint over the top (it's currently painted). I have to use specific colors because of the HOA (blerg).

Candace

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Re: Refinishing Large Deck. Seeking advice on prep and product choice.
« Reply #7 on: April 01, 2019, 03:14:39 PM »
I plan to power wash first as well. Then probably a stiff brush. I don't want bits of the current finish to mess with adhesion of the new finish.

lthenderson

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Re: Refinishing Large Deck. Seeking advice on prep and product choice.
« Reply #8 on: April 02, 2019, 11:09:12 AM »
Nine times out of ten, early failure of a deck stain is due to one of two things, insufficient degreasing/cleaning of the surface or moisture issue from not waiting long enough after cleaning or applying when the wood is too green.  Failure to do those leaves behind blisters and delamination problems.

I am a big believer in Sherwin Williams products. I have used their SuperDeck system and never had any problems. I clean the deck with their degreasing solution and bristle brushes and let sit for 15 minutes before rinsing thoroughly with water from a garden hose with a spray handle. I let it dry out on a sunny day all day long and after the morning dew has dried on the next day, apply the stain. Lots of them claim that you can apply them with a roller but for a superior lasting finish, I always brush it in to make sure it gets worked down in the cracks and crevices. With rollers, it tends to bridge these gaps and cause them to fail sooner and it just doesn't apply as much stain as the wood can absorb. I apply two coats, the second one is much faster to apply since the wood won't absorb it. I do that to seal up some of the larger cracks that didn't get covered over the first coat.

Candace

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Re: Refinishing Large Deck. Seeking advice on prep and product choice.
« Reply #9 on: April 02, 2019, 11:21:24 AM »
Interesting insights, thanks. I will be sure to clean the deck well and make sure it's good and dry before applying new product. How long does the SuperDeck system last?

lthenderson

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Re: Refinishing Large Deck. Seeking advice on prep and product choice.
« Reply #10 on: April 03, 2019, 07:25:02 AM »
Interesting insights, thanks. I will be sure to clean the deck well and make sure it's good and dry before applying new product. How long does the SuperDeck system last?

I've done two for others that are probably five years old. My own personal deck is going on year 4 since I applied it.

Candace

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Re: Refinishing Large Deck. Seeking advice on prep and product choice.
« Reply #11 on: April 10, 2019, 12:15:22 PM »
According to DeckStainHelp.com, the Sherwin Williams product was bought from another company about five years ago and SW has introduced some new products under the same line. That made me hesitate a bit.

Meanwhile, I came across a product by Gulf Synthetics called Deck Revive (https://www.gulfsynthetics.com/deck-revive-kit.html). I've pretty much decided to go with this one. I like that it's paired with a special primer called Permabond that is specifically meant to aggressively bond the product to the wood after it's been pressure washed. It will probably cost a bunch, but I want to do this right the first time. I decided against the Rust-Oleum product that I used on my front porch, because my back deck gets a lot more sun and rain than my covered front porch and I'm concerned about the product failing. There's a class action lawsuit against Rust-Oleum due to people basically ruining their decks with that product.

Thanks to everyone who read and contributed to this thread. I'll make sure to post pictures during and after the process.

Poundwise

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Re: Refinishing Large Deck. Seeking advice on prep and product choice.
« Reply #12 on: April 26, 2019, 07:47:21 AM »
It's probably too late to weigh in, but I'm a huge fan of Ready Seal. Really easy to apply with a roller (and brush for in between boards), never peels. Four years ago, I sanded down our splintering old pine deck (rented a sander from a local equipment store), then applied Ready Seal with huge success.

« Last Edit: April 26, 2019, 07:49:17 AM by Poundwise »