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Suggestions For A Finish For A Cedar Deck

 
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Old 08-25-2019, 07:46 PM   #1
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Suggestions For A Finish For A Cedar Deck


Hi,
Long time reader, minimal poster but I'm wondering if any of the deck building gang could help me with a problem.

I'm building a deck for a client done with cedar boards. I build maybe 4 decks a year as part of a larger operation. We also do fences, screens, structures, stone etc. The decks we've been building lately have been ipe or thermory or composite. To be honest I don't think I've built a cedar deck in 4 years. Anyway, the client wants the cedar protected. Typically I don't recommend a finish on any horizontal surface, in my experience it just doesn't last. Now, for ipe or thermory we do oil the wood with cutek but this has to be reapplied yearly (or more frequently). The client wants something that will last longer (5 years!?!) , hopefully keep the wood looking the natural colour rather than silvering out. Can anyone suggest a product that meets all (any) of these requirements? I find cutek on cedar (even without the stain added) looks muddy and that cedar color is gone. Years ago I used Thompson water seal on a fence, I know pros don't like it but it has the look I'm looking for. The problem with Thompson's is it sits on the surface so is prone to flaking off. I'm in Ontario so we have harsh winters hot sunny summers and everything in between.

Thanks for any help and suggestions.

Jason

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Old 08-25-2019, 08:16 PM   #2
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Re: Suggestions For A Finish For A Cedar Deck


OK good luck with TWP 1500, an oil based stain.




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Old 08-25-2019, 08:31 PM   #3
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Re: Suggestions For A Finish For A Cedar Deck


nothing is going to keep the cedar from turning grey.

you may postpone it a bit but thats all.

5 years, no way....

don't see how thompsons can flake as it is a penetrating sealer not a coating.

on redwood & cedar i used to use a product called woodlife.

any stain or solid surface coating will show traffic patterns very quickly.
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Old 08-25-2019, 08:34 PM   #4
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Re: Suggestions For A Finish For A Cedar Deck


The best that deck will ever look is the day you finish it.


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Old 08-25-2019, 08:56 PM   #5
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Re: Suggestions For A Finish For A Cedar Deck


Re did my deck with sickens. Think I got 3 seasons out of it before it looked like chit once again. Hate cedar


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Old 08-25-2019, 09:15 PM   #6
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Re: Suggestions For A Finish For A Cedar Deck


Thanks for the answers. I haven't used the TWS for probably 10 years or more. My recollection was it didn't soak in rather sat on the surface and dried hard. I might have misspoke there. I'm also not a fan of cedar. 20 years ago it was harder and more rot/ weather resistant. These days it's like balsa wood. I really resist a solid stain on deck surfaces but have had Greta results on other things like screens with Benjamin Moore Arbour coat. I just don't think it will last on the deck as you said, traffic areas show wear very quickly. I'll check out the one product that you mentioned there. (sorry, doing this from my phone and can't read the posts while I write this one)

Thanks again and any more suggestions are welcome.

Jason

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Old 08-25-2019, 09:19 PM   #7
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Re: Suggestions For A Finish For A Cedar Deck


About all you can do is something like a yearly deck wash/brightener and a polysiloxane / silicone sealer. No stripping involved, and it's fairly fast. Do it every spring, and it will look new all summer

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Old 08-25-2019, 09:23 PM   #8
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Re: Suggestions For A Finish For A Cedar Deck


BTW, there is a woodlife clear that is a wood preservative.

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Old 08-26-2019, 09:07 AM   #9
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Re: Suggestions For A Finish For A Cedar Deck


Following this thread for ideas. Just had a contractor install a couple wood decks for me this spring. He suggested I just let it go at least a year without sealer, and says it will last a very long time without doing anything.
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Old 08-26-2019, 12:31 PM   #10
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Re: Suggestions For A Finish For A Cedar Deck


Why use wood ?, Trex and others have come so far I can never see me using wood for a deck again.

Thinking about it if I had a customer wanting wood I would pass on the job, no matter what you do to it stain/paint its going to rot at least with plastic I know its good for 2 hundred years or more .

If I lived in a climate that gets the white stuff falling from the sky I would even consider metal joists etc.
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Old 08-26-2019, 02:39 PM   #11
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Re: Suggestions For A Finish For A Cedar Deck


I've put down Ipe down in Texas and the heat/sun tears it up.

Jaws has an interesting story about finishing cedar on all 6 sides. I think the synopsis is, don't do it. The moisture doesn't have anywhere to escape.

I've had good experiences with TWP the two times I've used it, although they were for fences. Of course they will last a lot longer, but a couple of years have gone by and the vertical surfaces look great.
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Old 08-27-2019, 04:56 AM   #12
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Re: Suggestions For A Finish For A Cedar Deck


Is it possible to "overstain" cedar? Supposing it rained heavily would that make the surface extra slippy with added stain?
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Old 08-27-2019, 08:33 AM   #13
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Re: Suggestions For A Finish For A Cedar Deck


Quote:
Originally Posted by sunkist View Post
Why use wood ?, Trex and others have come so far I can never see me using wood for a deck again.

Thinking about it if I had a customer wanting wood I would pass on the job, no matter what you do to it stain/paint its going to rot at least with plastic I know its good for 2 hundred years or more .

If I lived in a climate that gets the white stuff falling from the sky I would even consider metal joists etc.

Hired my cedar deck work out. I'm an industrial contractor more familiar with concrete, steel, etc. When talking to my contractor about my deck and the different options available; treated, cedar or synthetic. We both kind of agreed that the cedar looks best and price was midway between treated and synthetic, so went that route.

In discussion he mentioned that if you take care of cedar, there is no reason it can't last forever, there are many 100 year old cedar sided houses out there have been taken care of and are still doing the job.
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Old 08-27-2019, 09:20 AM   #14
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Re: Suggestions For A Finish For A Cedar Deck


Quote:
Originally Posted by Fishindude View Post
Quote:
Originally Posted by sunkist View Post
Why use wood ?, Trex and others have come so far I can never see me using wood for a deck again.

Thinking about it if I had a customer wanting wood I would pass on the job, no matter what you do to it stain/paint its going to rot at least with plastic I know its good for 2 hundred years or more <img src="http://img.contractortalk.com/smilies/jester.gif" border="0" alt="" title="Jester" class="inlineimg" />.

If I lived in a climate that gets the white stuff falling from the sky I would even consider metal joists etc.

Hired my cedar deck work out. I'm an industrial contractor more familiar with concrete, steel, etc. When talking to my contractor about my deck and the different options available; treated, cedar or synthetic. We both kind of agreed that the cedar looks best and price was midway between treated and synthetic, so went that route.

In discussion he mentioned that if you take care of cedar, there is no reason it can't last forever, there are many 100 year old cedar sided houses out there have been taken care of and are still doing the job.
Big difference between horizontal and vertical applications
Cedar decks here last 10-15 years before they rot away
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Old 08-28-2019, 01:50 PM   #15
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Re: Suggestions For A Finish For A Cedar Deck


re: cedar's life, I'm working on/consulting on a 140yr old house that had a new cedar shake roof put on 45 years ago. It's long overdue for replacement, but it is interesting how the thickness of the shake wore down on the side with of the roof with prevailing winds. rake/eave boards are in pretty good shape. They even used cedar 'headers' above the 39" window openings, those are likely 140yrs old and in descent shape.

They say old growth wood had tighter growth rings, wonder if the same holds true for 140 year old cedar?
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Old 08-28-2019, 05:53 PM   #16
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Re: Suggestions For A Finish For A Cedar Deck


Quote:
Originally Posted by AustinDB View Post
re: cedar's life, I'm working on/consulting on a 140yr old house that had a new cedar shake roof put on 45 years ago. It's long overdue for replacement, but it is interesting how the thickness of the shake wore down on the side with of the roof with prevailing winds. rake/eave boards are in pretty good shape. They even used cedar 'headers' above the 39" window openings, those are likely 140yrs old and in descent shape.

They say old growth wood had tighter growth rings, wonder if the same holds true for 140 year old cedar?
Old growth wood when I run into it round here I find it hard to drive a nail into it, now they are tariff free Chinese nails
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Old 08-28-2019, 06:37 PM   #17
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Re: Suggestions For A Finish For A Cedar Deck


Some people around here will take an old weathered cedar shingle and paint a picture on it.

Old growth cedar up here has higher ring density than new cedar. An old building I worked on used a lot of cedar for framing, and the walls were filled with cedar sawdust.
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Old 09-03-2019, 09:08 AM   #18
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Re: Suggestions For A Finish For A Cedar Deck


Thanks for all the comments. I'm not sure if Canada has different formulations than the U. S. But I think I've narrowed it down to a couple of products and I wonder if anyone has any experience with them. 1. Thompson's Water Seal Timber Oil 2. TWS waterproof plus, 3. CIL super deck, 4. Behr penatrating oil wood finish.

All seem to have the same features like UV, mildew protection... They seem to need reapplication after about 2-3 years.

Any comments with experience with any of these is welcome.

OH one last thing, client suggested TWS decking oil. Couldn't find it but I wonder if it's the same as the timber oil.

Jason

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Old 09-03-2019, 09:59 AM   #19
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Re: Suggestions For A Finish For A Cedar Deck


Quote:
Originally Posted by Gladstone View Post
.............
OH one last thing, client suggested TWS decking oil. Couldn't find it but I wonder if it's the same as the timber oil.

Jason

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https://www.thompsonswaterseal.com/p...il/decking-oil
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Old 09-04-2019, 07:45 AM   #20
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Re: Suggestions For A Finish For A Cedar Deck


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Thanksfor the link, I've seen it on line I just can't find it at any of my suppliers so I wondered how different it was from the timber oil.



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