Which TWP Stain Should I Use?

TWP stands for Total Wood Preservative. It has been around for over 20 years and has been a leader in the wood staining industry. TWP Exterior Wood Stain is an EPA registered wood preservative. Unlike other stains that cover up wood and form a protective film that is venerable to peeling and flaking, TWP stains are a penetrating oil formula that offers excellent protection. Knowing which TWP formula is best for your exterior wood project is the key to having excellent results.

TWP 100 Series – The 100 Series has been a leading and respected formula for over 25 years. It penetrates and enhances natural wood beauty and is available is 6 different colors. It is used for all types of exterior wood decking, siding, fencing, and hardwoods. It is not prone to mold or mildew. The 100 Series is not compliant in all states. Please be sure to check if it is compliant in your area. 

TWP 200 Series – Available in 8 different colors, the 200 Series formula is best used on wood siding, shakes, and shingles. It uses a non-drying paraffin oil formula that enhances the wood cell’s structural stability making it an excellent choice for older wood that has lost its natural oils. It sheds and repels water and prolongs UV fading. The TWP 200 Series is compliant in all 50 states.

TWP 500 Series – The TWP 500 Series formula has been discontinued and replaced with a new and improved formula called TWP 1500.

TWP 1500 Series – The new 1500 series replaces the old 500 series. This newly formulated preservative penetrates better, dries faster, and outperforms it predecessor. TWP 1500 is a low VOC preservative with unique absorbing pigments that prevent wood graying, fading and premature discoloring. Selected mildewcides prevent the growth of mold and mildew. Available in 9 different colors, TWP 1500 Series Stain is best used on all types of wood fencing, decking, siding, log homes and roofing. It is compliant in all 50 states due to its low 250 VOC formula.

Choose the TWP Series Stain that best fits your needs and give your wood surfaces the protection and lasting beauty they deserve.

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    Philip · 05/26/2022
    We just purchased a 1990 Linda cedar home in western Washington (lots of rain). Cedar siding is currently stained with unknown stain that is peeling. 1. What is the best product to strip this stain and prep the siding? 2. What is the most durable series of stain for our state? 
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      TWP Stains · 05/26/2022
      We would need to see pics for proper help.
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        Philip · 05/26/2022
        Please see attached
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          TWP Stains · 05/27/2022
          Unfortunately what you have on your wood most likely cannot be stripped. It looks shiny, like a varnish and that means stripping will not get it off. To get it off you would have to use media blasting or corn cob blasting and that means hiring a pro.
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    Todd · 05/23/2022
    I live in Colorado in some intense sun. About 7 years ago I stained my deck (skirting and railings) with TWP 100 redwood. It's held up great, but due to fading and weathering, it now needs to be redone. However, I can't order TWP 100 to Colorado anymore. Should I use TWP 1500 instead? Will it go over the faded TWP 100 okay or is there other prep work I'd need to do? And is the TWP 1500 redwood the best color match for TWP 100 redwood?
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    Monika · 05/09/2022
    I live in Pennsylvania, and I need a stain for a pool deck. Which one is best for this?
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      TWP Stains · 05/09/2022
      Use the TWP 1500 Series for PA: https://www.twpstain.com/twp-1500-series
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        Monika · 05/09/2022
        Looked at the 1500 stain colors. I have a solid white colored stain on my deck currently. Plan to stain over that color without sanding or removing. Any recommendations for a stain that would blend with or cover my current stain for a pool deck in PA that you offer? 
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          TWP Stains · 05/09/2022
          No, TWP stains do not come in a solid stain and they cannot be applied over a solid stain. You will need a solid stain again.
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    Anthony Hall · 05/04/2022
    Would it look funny to use TWP 1500 Dark Oak for a porch railing and balusters I'm about to add when I already used TWP 100 Dark Oak on the deck and steps I've already built?  Everything is/will be built from redwood.  I ran out of the 1 gallon of TWP 100 I had, and it has since become more convenient to get TWP 1500.
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      TWP Stains · 05/04/2022
      They are close in color but not exactly the same. 
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        Anthony Hall · 05/19/2022
        I understand that even when using the same product, with some wood stains there can be a risk of slightly different colors, if all the cans used aren't first mixed together to make it all uniform.

        Is the difference in color between TWP 1500 and TWP 100 likely to be more noticeable than different cans of 100 that weren't combined?
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    Sandra Fuchs · 04/29/2022
    Live in CT, have new (installed last summer) untreated PT pine. Full sun most of the day and want to stain for first time. What is the best choice in oil based semi transparent stain.
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    Jim · 04/06/2022
    I am located in NH and have a new eastern white pine barn.  I want to keep the wood looking as natural as possible with the least amount of yellowing.  Which stain is better for T&G eastern white pine siding the 1500 or the 200?  
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      TWP Stains · 04/06/2022
      Use the TWP 1500 Series for this one.
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    Charlie K · 03/17/2022
    I live in Ca and have about 1800 sq of deck. During the summer the deck bakes and gets first sun. In winter lots of rain and cold temps. Which product would you suggest after properly prepping the deck? Also thinking of using a natural color. Suggestions?
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    Andrew Waite-Wright · 03/17/2022
    Follow up - I live in Missouri
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    Andrew Waite-Wright · 03/17/2022
    I have a ten year old cedar deck that I have sanded back to bare wood. I looks clean with just a few gray patches. 1. After brightening, should I use 101 or 1501 - I have both on hand. 2. I was planning on applying the TWP twice since the wood is bare - any problems with this?
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    Craig · 01/20/2022
    I have new rough cut cedar what stain is better 1500 or the 100 
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    Lisa Burman · 11/21/2021
    I have old wood deck that I just sand it down.i completely strip the old paint.  The wood is turning gray.  Is it better to use 100 or the 1500. I live in California.  Hot and full sun. 
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      TWP Stains · 11/22/2021
      For CA, you will need the 1500 Series. 
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    Ashley · 10/24/2021
    I live in a town that gets all 4 seasons including snow and lots of sun. I want to stain my house, deck floors and fence. My house has wood panel siding, my decks are redwood wood and some my fence is regular untreated wood fencing. Which series(s) should I use?
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      TWP Stains · 10/24/2021
      Use the TWP 1500 Series for all the wood.
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    Mike · 10/12/2021
    I have a 15-year-old PT wood deck previously stained/painted.  I have recently replaced some boards, approx 4-6 months ago, and have stripped, sanded, and cleaned the deck.  The deck has a southern exposure and we are in northern Virginia.  Which type of stain would be best? TWP 100 series or 1500 series.
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      TWP Stains · 10/13/2021
      You will need the TWP 1500 for Northern VA.
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    Karen · 10/05/2021
    Is series 200 good to use on a screened in, covered deck with exposed stairs?
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      TWP Stains · 10/05/2021
      Use the 100 or 1500 series for this.
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    Rich · 09/28/2021
    What happened to the TWP 300 SERIES!!
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      TWP Stains · 09/28/2021
      We do not sell it from this website.
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    David · 09/15/2021
    Cypress siding has dried 2 years, planed and shiplapped. I am interested in a Redwood or Mahogany stain. Which semi transparent TWP product will provide more UV protection? Also what product is best to treat end cuts?
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      TWP Stains · 09/15/2021
      TWP does not come in a Mahogany color. The TWP 100, 200, and 1500 series are all semi-transparent and all give the same UV protection. You do not need to treat end cuts but you can with any of the TWP stains.
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    Jorge murillo · 08/24/2021
    I live in Tucson, Arizona.  The sun is bright and hot. Witch is better for UV protection?100 or 1500 be better in this type of climate? 
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    Marlena · 07/10/2021
    I live in Oregon. Which is the best TWP stain to use on my outdoor deck previously stained with SuperDeck?
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    Joy M Hill · 06/15/2021
    Will it work on bamboo fenceing?
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      TWP Stains · 06/16/2021
      No, the TWP products we sell on this site will not work for bamboo.
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    Steve · 04/14/2021
    I thoroughly  restored a pressure treated deck with Cedartone 101 and it looks new. Can I use 1500 series over top of it for maintenance coats? 
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      TWP Stains · 04/15/2021
      If switching series you should strip and brighten for prep: https://www.twpstain.com/restore-a-deck-stripper-brightener-kit-detail
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        Steve · 04/15/2021
        Thanks for the quick reply, but just to be certain, I just did it last year, deck’s in perfect shape. Are you saying the 1500 won’t hold up on top of the 100, or it will look weird or? Also, might want to check the question from 6/11/2019, person from Nebraska says they started with 100, and if Nebraska changes it’s VOC laws, would the 1500 suffice, and the reply on 6/12/2019 was go ahead, use the 1500 on top of 100. Obviously I don’t want to have the extra work if I don’t have to. Just trying to clarify, thank you. 
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          TWP Stains · 04/15/2021
          For best results you should strip and brighten when switching. Stripping is not any harder than cleaning. Same exact process just removing the current stain so the new coating will fully soak in and give a uniform appears. On another note, the colors in the 1500 are not the same as the 100.