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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    Michael Higdon · 08/29/2015
    Have redwood 12' x 40' deck, used Penafin oil on all surfaces five years ago. Deck is now darkly discoloring. We would like to use a product that will retain the lighter wood tones. Which TWP item do you recommend, and approx. quantity please. We're in California.
    Thank You
    Michael Higdon
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    TWP Stains · 08/27/2015
    Tom Chesmore:
    Last year we sealed and stained our log cabin in northern Wisconsin. It was raw pine and we used the 1500 series. My question is how long will it last before I have to do it again.

    Vertical wood on a log cabin can last 3-6 years depending on the exposure to the sun.
  • We will reply to your comment shortly
    Tom Chesmore · 08/27/2015
    Last year we sealed and stained our log cabin in northern Wisconsin. It was raw pine and we used the 1500 series. My question is how long will it last before I have to do it again.
  • We will reply to your comment shortly
    TWP Stains · 08/27/2015
    Mary Thomas:
    We need to cover with a solid stain. Previously used a semi solid behr product. What is recommended when needing a solid stain

    Look at the Deck Revive for this:

    http://www.twpstain.com/wood-and-deck-stains/gulf-synthetics/deck-revive
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    Mary Thomas · 08/26/2015
    We need to cover with a solid stain. Previously used a semi solid behr product. What is recommended when needing a solid stain
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    TWP Stains · 08/20/2015
    ricky rodriguez:
    I have a 18 year old pine pressure treated fence that has never been stained or painted. I have pressure washed it what product should I use and do I need to prep anymore?

    If it clean then you should be good to stain. Use the 1500 Series.
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    ricky rodriguez · 08/19/2015
    I have a 18 year old pine pressure treated fence that has never been stained or painted. I have pressure washed it what product should I use and do I need to prep anymore?
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    TWP Stains · 08/08/2015
    Kay nelson:
    I am installing a cedar picket privacy fence. I want to preserve the natural color of the wood. I live in central Texas. Which product should I use?

    Use either the 100 or 1500 for this fence in the TX sun.
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    Kay nelson · 08/07/2015
    I am installing a cedar picket privacy fence. I want to preserve the natural color of the wood. I live in central Texas. Which product should I use?
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    TWP Stains · 08/03/2015
    Craig Peterson:
    I have a 20 year old pressure treated pine deck in central Illinois. Part surrounds an inground, seldom used pool. Over the years it had been previously cleaned and restained annually with Penofin. The last time the deck was treated was 6 years ago, I used a stripper and applied Woodsman Premium Translucent Oil Stain. The color lasted about 2 years. Penofin never lasted more than 1 year. Last week I powerwashed it to remove considerable mildew and algae. The wood cleaned up well with that alone but I probably left tiny areas of mildew/algae behind. What would you recommend I do as per further cleaning and stain?

    If still have the old stain on the deck then you need to remove it with the Restore A Deck stripper followed by the RAD Brightener. If not, then use the Gemini Restore Kit for the prep.
  • We will reply to your comment shortly
    Craig Peterson · 08/03/2015
    I have a 20 year old pressure treated pine deck in central Illinois. Part surrounds an inground, seldom used pool. Over the years it had been previously cleaned and restained annually with Penofin. The last time the deck was treated was 6 years ago, I used a stripper and applied Woodsman Premium Translucent Oil Stain. The color lasted about 2 years. Penofin never lasted more than 1 year. Last week I powerwashed it to remove considerable mildew and algae. The wood cleaned up well with that alone but I probably left tiny areas of mildew/algae behind. What would you recommend I do as per further cleaning and stain?
  • We will reply to your comment shortly
    TWP Stains · 08/03/2015
    Linda Roberts:
    Could you please tell me which one of your products you would recommend for use on a mahogany hand rail?
    Thank you,
    Linda Roberts

    The 100 Series.
  • We will reply to your comment shortly
    Linda Roberts · 08/01/2015
    Could you please tell me which one of your products you would recommend for use on a mahogany hand rail?
    Thank you,
    Linda Roberts
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    TWP Stains · 07/28/2015
    LeannMN:
    Thanks for the info. A couple other questions-- what is the average for how long it will last before it needs to be redone? When it does need to be redone, can we just apply another coat? How long will it last after the container has been opened? For instance if we get the five gallon and only use half of it...will it store ok to use again in the future?

    Typically lasts about 2 years. Can be cleaned and recoated own the road. See this about Shelf Life:
    http://www.twpstainhelp.com/shelf-life-of-twp/
  • We will reply to your comment shortly
    LeannMN · 07/28/2015
    Thanks for the info. A couple other questions-- what is the average for how long it will last before it needs to be redone? When it does need to be redone, can we just apply another coat? How long will it last after the container has been opened? For instance if we get the five gallon and only use half of it...will it store ok to use again in the future?
  • We will reply to your comment shortly
    TWP Stains · 07/28/2015
    LeannMN:
    We moved into a house recently in SE MN that had a deck built last year in the spring/summer. It hasn't been sealed yet. Which is better to use-- The 100 series or 1500 series? What are the differences between the two? It gets a lot of sun in the warm/hot months but needs to stand up to Minnesota cold, snowy winters. Are you able to use a sprayer or would it be best to use a pad? Thanks

    Use the TWP 100 Series. Prep first with the Gemini Restore Kit. You can spray you will need to back brush the products,
  • We will reply to your comment shortly
    LeannMN · 07/28/2015
    We moved into a house recently in SE MN that had a deck built last year in the spring/summer. It hasn't been sealed yet. Which is better to use-- The 100 series or 1500 series? What are the differences between the two? It gets a lot of sun in the warm/hot months but needs to stand up to Minnesota cold, snowy winters. Are you able to use a sprayer or would it be best to use a pad? Thanks
  • We will reply to your comment shortly
    TWP Stains · 07/27/2015
    David E Walsh:
    I live in NH. My deck was most recently covered with Behr solid deck stain. Can I go over it with a little prep or do i need to completely strip. Which of your products do you recommend?

    You cannot apply TWP over a solid stain or any other stain of a different brand. Solid stains will need to be sanded off as a stain stripper will not remove a solid stain.
  • We will reply to your comment shortly
    David E Walsh · 07/27/2015
    I live in NH. My deck was most recently covered with Behr solid deck stain. Can I go over it with a little prep or do i need to compleatly strip. Which of your products do you recommened?
  • We will reply to your comment shortly
    TWP Stains · 07/20/2015
    Use the 100 Series and prep first with the Gemini Restore Kit.