TWP 1500 Series 1 Gallon

2 Ratings 2 Reviews
Stain Color
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TWP 1500 Series 1 Gallon ColorsTWP 1500 1 Gallon Stain

TWP 1500 is a Semi-transparent Oil-Based wood stain and preservative that is allowed in all 50 states.

The new TWP® 1500 formula is designed to penetrate better, dry faster and outperform the previous TWP® 500 series formula.

TWP® 1500 Series is an EPA registered wood preservative which prevents structural damage and wood decay on exterior above ground wood surfaces such as fencing, decking, wood siding, log homes, and roofing. TWP® 1500 Series resists water absorption that causes warping, cracking and splitting as well as preventing freeze damage in colder climates.

TWP® 1500 Series is a low VOC preservative with special U.V. absorbing pigments that prevent unsightly wood graying, darkening and fading. The selected mildewcides inhibit the growth of mold and mildew which assist in preventing premature discoloration.

TWP® 1500 Series will keep your wood beautiful, fresh and looking new longer. The ease of application and maintenance will allow you to enjoy your investment for years to come.

TWP 1500 Series Stain QuestionsKey Features

  • Preserves natural wood color
  • EPA registered wood preservative
  • Professional choice for all exterior wood surfaces
  • Semi-transparent stain preserves natural color
  • Sheds water longer
  • Prevents mold and mildew
  • Helps to prevent wood rot
  • Easy to apply and can be cleaned and recoated as needed
  • Helps in the prevention of warping, cracking and splitting
  • Low 250 VOC formula, compliant in 50 states
*We do not guarantee stain colors as they will vary widely depending on the wood type, age of wood, prepping of wood, and application. Small samples are available.

1500 Series and Deck Stain 1 Gallon


Have Questions on Prep and Application?

Visit our Help Site for all the answers!


Gallon Sizes: 1's & 5's
Stain Type: Semi-Transparent Oil-Based
Coverage Per Gallon: 150-200 square feet
Coats  Required: 1-2 Coats. "Wet on Wet"
Temperature: 45-95 F
Application Tools: Pad, Sprayer, Brush, Roller
Dry Time: 12-72 Hours
Cleanup: Mineral Spirits
State VOC Limits: Compliant in all States
More Info:

Product Data

TWP 1500 Series Info



Wednesday, 02 October 2019

We have used this product twice on our pressure-treated wood deck (. It applies easily and looks terrific when done. We are DIYers with limited experience with this sort of project, and had no trouble following the application directions. We had to address a lot of wood damage before applying it--severe UV damage, mold and mildew--but with the right prep, we couldn't be happier with the outcome. The second time we used it, we did over-apply a bit and had a lot of shiny excess stain after a few hours of drying. We read the tips here on the website and the next day we wiped off the excess using a light misting of mineral spirits and shop rags. Easy fix and it looks great. Never any peeling, which is just what we wanted, and it made our heavily damaged wood look better than we thought possible. I love finding a product that works as well as advertised.


Thursday, 19 October 2017

A true oil-based wood preservative that is allowed in all 50 states!

TWP Stains

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  • We will reply to your comment shortly
    Matthew Block · 04/20/2020
    I had a new pressure treated deck installed this past November. Is April too early to stain? If so when do you recommend I stain it?
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    JR · 04/15/2020
    I am looking for some bigger sample pictures of the colors available. The little sliver on the website, surely does not do the color any justice.
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    Gary · 04/04/2020
    where in Ontario Canada can I purchase TWP as well if a touch up coat is required what prep work is required
    • We will reply to your comment shortly
      TWP Stains · 04/04/2020
      TWP is not sold in any stores in Canada. Only the 200 Series is allowed there and you will have to order online for shipping.
      • We will reply to your comment shortly
        Gary · 04/04/2020
        I'm in Waterloo Ontario S.W. Ontario
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    Frank · 03/27/2020
    Thanks for your reply. I am now trying to choose a color and would like to know if the color lightens or darkens after its applied with age. I have applied a sample of 1516 and 1511 on a piece of wood and they don't look a lot different like they do on your samples.
    thanks for your advice.
    • We will reply to your comment shortly
      TWP Stains · 03/27/2020
      TWP typically lightens in color through the years.
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    Frank · 03/25/2020
    Thanks for your earlier reply, where you said to follow your instructions for new wood. It says new rough sawn redwood fence boards have a mill glaze, are very absorbent and can be stained right away, is that ok if they have a high moisture content?
    • We will reply to your comment shortly
      TWP Stains · 03/26/2020
      Rough sawn wood does not have a mill glaze and you can stain it right away of the moisture content is below 15%
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    Frank Masterson · 03/25/2020
    I installed a new redwood rough sawn fence about 5 weeks ago, the wood came from the lumber yard with the usual wet moisture content, but appears to have dried out good now. The rough sawn wood looks like it will be very absorbent,
    Questions: I) will one coat of the 1500 series be enough?
    2) should I do wet on wet?
    3) what nap roller should I use? ( I don't want to spray)
    4) about how long should it last before I need to re coat?.
  • We will reply to your comment shortly
    Clive · 03/05/2020
    Hi TWP guys,

    I want to stain my deck this Spring. When I apply the 1500 series semi transparent stain, how long must the temperature be above 45 degrees, 24 hours?


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    David · 01/10/2020
    I’m looking for a sample of the 1500 dark oak. Do you have those?
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    Rhonda Landry · 12/29/2019
    Why more expensive in the 5 gallon?
    Also if I have a fence(4 rail ranch style 1800 linear feet, how do I calculate square footage to get number of gallons needed?
    • We will reply to your comment shortly
      TWP Stains · 12/29/2019
      The 5-gallon is not more expensive. Length x height x 2 for both sides to get sq. footage of a fence.
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    Aleta Landaiche · 11/29/2019
    The deck of a porch on a shed I had built was old wood, of several varieties, that had been plained. I used TWP #1515 Honeytone (ordered from this site) on the surface, two coats, applied wet, and it has appeared to work well. This was 3-5 months ago. I chose the Honeytone but now wish I'd chosen a darker color. Can I now apply another coat of 1500 series with a different, darker color stain, over this original coat? What should I do to prepare the surface? Unfortunately, another project I did on the porch resulted in some mist from a can of spray paint also falling on the surface. Do I have to address this spray paint contamination in a special way? If I were to choose to ignore how it might affect the appearance after application of additional coats could I proceed as if it wasn't there? Or will the spray paint affect the efficacy of the subsequent applications in the areas where it appears? Would very much appreciate some answers. Thanks!
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    yvonne Trimble · 11/21/2019
    Have a So Flo home w 25 x 15 x 9 pergola of pressure treated pine; was told it needed one year to dry; left it for almost two years. Will one gallon b enough?
    • We will reply to your comment shortly
      TWP Stains · 11/21/2019
      You will need more than 1 gallon. What is the total sq footage of all wood that will be stained?
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    Tracy · 10/26/2019
    I had to replace some of my deck stairs, but missed the window of time to stain them properly with weather conditions. I still have some stain left from two summers ago. If I have a five day window of time where temps above 50 during the day, can I stain them with a coat of stain so it’s protected during the winter?
    • We will reply to your comment shortly
      TWP Stains · 10/27/2019
      It would best to prep and stain in the Spring. One Winter will not harm the wood.
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    Tracey · 10/25/2019
    Please advise if it's okay to stain new rough cut curved cedar deck support braces now - we live in North Carolina.
    • We will reply to your comment shortly
      TWP Stains · 10/25/2019
      You can stain new rough sawn cut now as long as it is clean and dry.
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    Cheryl · 10/04/2019
    We've stripped, brightened and sanded our 5 year old deck over the summer. We already stained the verticals with 1500 Cedartone and are getting ready to do the horizontals. For the best coverage on this first time, would you recommend brush or rolling? Also, how long after staining can we walk on it. We are in a dry period today but have a large party scheduled for tomorrow night and then more rain the next day. We are thinking about staining this morning if it is truly usable after 24 hours.
    • We will reply to your comment shortly
      TWP Stains · 10/04/2019
      Use a stain pad or brush. Do not use a roller. Dries in about 12-24 hours.
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    Eric B · 09/15/2019
    Looking to reseal our redwood deck in California. The previous owner used Australian Timber Oil from Cabot, "Natural" finish, but I'd like something a bit more sun-and-heat durable. Could I apply the 1500 series right over the old finish, or would I need to sand the wood down first?
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    Charity · 08/30/2019
    Would you recommend this product for a cedar floor of a screened in porch?
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    Doug · 08/26/2019
    What is the shelf-life of a sealed, half full gallon of 1501?
    I wish to combine it with a fresh gallon of 1501 and use it, rather than have to seek a disposal facility.
    Thanks in advance.
  • We will reply to your comment shortly
    Doug · 08/23/2019
    I have a 12' x 24' cedar deck (see photo) that I have treated with TWP every two years since 2013 (2013, 2015, 2017 - three total applications since new). I have used 1501 Cedartone each time. It has progressively gotten darker over time and with each application.

    I was contemplating using Clear 1500 in hopes of preventing it from getting darker, but 1500 has no UV protection. Was also contemplating using Natural 1530.

    Do you have a recommendation on:
    1) reuse of Cedartone 1501?
    2) Natural 1530?
    3) Clear 1500?

    Can UV protectant be added to 1500?

    Thanks in advance for any recommendation.

    Really love your product.
    • We will reply to your comment shortly
      Doug · 10/11/2019
      The deck after re-application of 1500. It turned out great! thanks TWP.
    • We will reply to your comment shortly
      TWP Stains · 08/23/2019
      For prep this year, use the RAD Stripper/Brightener Kits so you are down to the bare wood. You can then use the Natural, Cedartone or any color that you like. Do not use Clear unless you want the wood to gray naturally.
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    Susan · 08/03/2019
    We have a redwood deck and pergola that had Armstrong applied about 5 years ago. That 'redwood' stain color turned really dark red brown. Now it's being sanded down for a refresh. Can 1511 go on next? Any other prep needed? Our old TWP 511 'California Redwood' on a redwood fence turned pretty yellow on rough redwood--Is the newer stuff any more "pink" like fresh redwood- or other color suggestion for that? Thanks.
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    jenna · 07/31/2019
    Applying pine ship-lap to our chimney. Id love to have a black stain and I see the closest you have is black walnut. From northern MN, so waiting months is not possible to stain.. Should I just wait until next spring?
    Also, wondering which product would be best. Thanks!