TWP 1500 Series 5 Gallon

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TWP 1500 5 Gallons ColorsTWP 1500 5 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.

TWP 1500 Series 5 Gallons Deck Stain


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



Tuesday, 09 May 2023

I did the deck stain calc for 900sqft and it indicated I should get 9 gallons. But the Stain Info said each gallon covers 150-250sqft. Which means 4-6 gallons. So I don't over order, what would be good? This is only for a flat surface, no railings.


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
    Tom · 06/07/2013
    We built 2 PT pine decks: one last July and one this April. We're in Upstate New York so lots of snow/cold wintering. Will we be able to stain both decks at the same time this August/September? Or should we let the new deck winter before staining? (Does it stain better after weathering 12 months instead of 4?)
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    Administrator · 06/03/2013
    Rustic is more red then brown.
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    Dan Spencer · 06/03/2013
    I recently applied a sample bottle of 1516 Rustic to several small sections of a stripped and cleaned 15 year old PT pine deck. The color turned out very red. As red as my neighbors cheap redwood color on his deck. Am I doing something wrong or is rustic a red stain as apposed to the nice brown shown on your site?
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    Administrator · 06/03/2013
    Susan Hughes, yes you can do that.
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    Administrator · 06/03/2013
    John Kanen, TWP 1500 is not legal for Canada.
  • We will reply to your comment shortly
    Susan Hughes · 06/03/2013
    Can I use the 1500 series on the underside of the roof covering the deck? It is pine and open with beams showing. Plan to use a natural color.
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    John Kaneen · 06/03/2013
    Can you tell me if you ship to Victoria, British Columbia Canada?
    If so, what is the cost and what is the duty charge?


    It would seem that in Canada we can only get sub par rated fence and deck stains.
  • We will reply to your comment shortly
    Alf · 05/17/2013
    Peter Pass:
    I have a 400 square foot presure treated deck over salt waterthat is 10 years old. I am plnning on 2 coats of TWP 1500 and would like to know how quickly can I start the second application? I will be using a rollor for the first coat and a brush for the second.
    The deck has not been treated in + 5 years and is dry. We just completed a thouough cleaning and brightening.

    The TWP must be applied wet-on-wet, that is you will need to apply the second coat before the first one dries out. An air spray gun is the preferred method, if you do not have one, or want to invest in one, then an spray pump can be used instead.
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    TWP Stains · 05/09/2013
    Strip and brighten the Behr stain to remove as much as possible. Sand after if needed as the Behr can be very difficult to remove when stripping. When the wood is free of the Behr coatings then you can apply the TWP 1500.
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    dave donahue · 05/08/2013
    Properly prepared my 1500 square ft deck 2 years ago following instructions using Behr Stain. By early the following spring most of the decks were pealing/flaking. I live in New York State south of Buffalo and get all weather conditions. The pressure treated deck wood has weathered but is structurally sound. What is the recommended stripper and stain that you would apply? The TWP sounds like my best bet. I may even rent a belt sander to do the 1500 sq feet of decking not counting the 400 balusters and deck rails and posts! The verticals did hold up better than the horizontal areas so this will require even more stripping than the decking. Please recommend best approach.
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    TWP Stains · 04/30/2013
    The 100 is a little easier to apply.
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    Luis · 04/30/2013
    I'm not sure which I'm going to get yet.
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    TWP Stains · 04/30/2013
    Luis, about 8-10 gallons for the two coats. Please read this article:
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    Luis · 04/29/2013
    Does this require the preciously mentioned prep work including sanding?
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    Luis · 04/29/2013
    for approx 850sq ft of pressure treated timber surface area, how much shoudl I get?

    Describe wet on wet application?
    Im trying to figure out how you would do that without footprints everywhere!
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    TWP Stains · 04/29/2013
    1. 2 coats wet on wet.
    2. Not when reapplying the TWP on top of TWP, just when switching brands.

    Typically is reapplied every 2+ years.
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    Luis · 04/29/2013
    2) in the PDS it states: "
    SEALED WOOD: Any previously applied finish must be removed before TWP can be applied.
    The surface should be cleaned with a solution of 1 part household bleach to 1 part water and
    should then be thoroughly rinsed with water. Finish can be removed with an appropriate stripper
    following label instructions, by sanding with 60-80 grit sand paper, or by power washing. If
    sanded, the surface should be thoroughly rinsed with water 2-3 different days after sanding.
    Allow wood to dry a minimum of 48 hours in good drying conditions before finish coat

    Does this mean I have to sand and remove the existing stain every year when I re-apply?

    1)Speaking of which, how often should it be re-applied?
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    Luis · 04/29/2013
    1)I live in new england. The deck is in direct sunlight about 25% of the time. between deck, stairs and railings, i probably have aboud 850sq ft of surface to cover.

    How many coats do you recommend?

    thank you,
  • We will reply to your comment shortly
    TWP Stains · 04/23/2013
    You cannot use a water repellent on top of or under the TWP. The TWP does shed water as all high quality stains do. You do not want the stain to "bead" like a car wax.
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    tniswong · 04/23/2013
    I'm looking to buy TWP 1500 Series for a 9month old weathered cedar deck. I also want the deck to be water sealed. Do I need to purchase a sealer as well, or with the 1500 Series be sufficient?