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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    TWP Stains · 07/11/2015
    Rick B:
    I have new windows that were put in my home the exterior of them is aluminum clad the interior is wood. They come with the wood unfinished and I have to stain and poly them to prevent moisture sun damage. Can I use the TWP 1500 on the interior wood trim of window instead of wood conditioner-stain-3 coats of poly? I used this stuff on my deck this summer and it has been awesome so far. Yes it takes forever for the odor to go away but it seems like it would be a great UV and moisture protecter for my windows.

    Yes you can but poly cannot be applied on top.
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    Rick B · 07/10/2015
    I have new windows that were put in my home the exterior of them is aluminum clad the interior is wood. They come with the wood unfinished and I have to stain and poly them to prevent moisture sun damage. Can I use the TWP 1500 on the interior wood trim of window instead of wood conditioner-stain-3 coats of poly? I used this stuff on my deck this summer and it has been awesome so far. Yes it takes forever for the odor to go away but it seems like it would be a great UV and moisture protecter for my windows.
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    TWP Stains · 07/08/2015
    Glenn White:
    I am looking for a solid stain for an existing cedar deck in pretty good shape that has a solid stain on it. I live near Sequim, WA. The climate is low rain but damp about 6-7 months out of the year. 2 mi. from salt water. Full sun highs 80-90 deg. in the shade lows 60 in summer 50 deg. high low 28 deg. in the winter, usually above freezing in the day in the winter.

    Look at our Deck Revive product:
    http://www.twpstain.com/wood-and-deck-stains/gulf-synthetics/deck-revive
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    Glenn White · 07/07/2015
    I am looking for a solid stain for an existing cedar deck in pretty good shape that has a solid stain on it. I live near Sequim, WA. The climate is low rain but damp about 6-7 months out of the year. 2 mi. from salt water. Full sun highs 80-90 deg. in the shade lows 60 in summer 50 deg. high low 28 deg. in the winter, usually above freezing in the day in the winter.
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    TWP Stains · 07/07/2015
    Orlando Martinez:
    I built a new pergola 2 years ago out of rough western red cedar. I used a stain/ sealer they sold me where I bought my lumber. It was TWP in cedar tone not sure which type 100 1500 etc. it still looks good but was going to give it another coat. What should I use and will it take another coat?

    Clean lightly and use the 1500 Series.
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    Orlando Martinez · 07/07/2015
    I built a new pergola 2 years ago out of rough western red cedar. I used a stain/ sealer they sold me where I bought my lumber. It was TWP in cedar tone not sure which type 100 1500 etc. it still looks good but was going to give it another coat. What should I use and will it take another coat?
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    TWP Stains · 07/01/2015
    Nikki:
    I was going to purchase the 100 series. What is the difference between that and the new 1500 series. I see it replaces the 500, but no description on what conditions it was best suited for. I live in Northern Idaho. Mountains, cold winters, lots of snow, dry summers. Not a high humidity environment. Back deck gets all the morning sun, shade by mid afternoon. The front decks get the brutal hot sun from early afternoon on. Can you advice which series you would recommend? Thank-you Nikki

    You can use either for this deck in UD but most would use the 100 Series.
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    TWP Stains · 07/01/2015
    beth hurst:
    Was wanting to stain horse stalls.. the interior are non treated pine and the exterior walls are treated pine. THanks,

    Use the 1500 for this.
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    Nikki · 06/30/2015
    Sorry, forgot to include our decks are all redwood.
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    Nikki · 06/30/2015
    I was going to purchase the 100 series. What is the difference between that and the new 1500 series. I see it replaces the 500, but no description on what conditions it was best suited for. I live in Northern Idaho. Mountains, cold winters, lots of snow, dry summers. Not a high humidity environment. Back deck gets all the morning sun, shade by mid afternoon. The front decks get the brutal hot sun from early afternoon on. Can you advice which series you would recommend? Thank-you Nikki
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    beth hurst · 06/30/2015
    Was wanting to stain horse stalls.. the interior are non treated pine and the exterior walls are treated pine. THanks,
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    TWP Stains · 06/28/2015
    ToddandCarol:
    Installing a new rough-cut red cedar pergola on the west side of my house in SE Minnesota. Not sure of the regulations for VOC. The pergola is very intricate and large so I'd be interested in the longest lasting product. Would the 100 or 1500 series product be the better choice?

    Use the 100 Series. and since it is all rough cut, you can go ahead and stain now.
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    TWP Stains · 06/28/2015
    wjschmidt:
    TWP 100 for shutters?

    Sure you can use TWP on all exterior wood that is unfinished.
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    ToddandCarol · 06/27/2015
    Installing a new rough-cut red cedar pergola on the west side of my house in SE Minnesota. Not sure of the regulations for VOC. The pergola is very intricate and large so I'd be interested in the longest lasting product. Would the 100 or 1500 series product be the better choice?
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    WJ Schmidt · 06/27/2015
    TWP 100 for shutters?
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    TWP Stains · 06/26/2015
    Kare:
    I am ready to re-stain a 16-year old house that has cedar horizontal siding, located in the Pacific Northwest (Lynden, Washington), where the summer is hot and dry and the winter is wet, with very high humidity. I have been treating the siding for mold and mildew and now have it lightened up again. My concern is that I do not want the black spots of mildew to return. Which product will best protect against mildew re-growing, and will protect the cedar against rain and moisture?

    Use the TWP 100 Series for this.
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    Kare · 06/25/2015
    I am ready to re-stain a 16-year old house that has cedar horizontal siding, located in the Pacific Northwest (Lynden, Washington), where the summer is hot and dry and the winter is wet, with very high humidity. I have been treating the siding for mold and mildew and now have it lightened up again. My concern is that I do not want the black spots of mildew to return. Which product will best protect against mildew re-growing, and will protect the cedar against rain and moisture?
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    TWP Stains · 06/24/2015
    Karen Je:
    I am ready to re-stain a 16-year old house that has cedar horizontal siding, located in the Coast Mountains of British Columbia, where the summer is hot and dry and the winter is wet, with very high humidity. I have been treating the siding for mold and mildew and now have it lightened up again. My concern is that I do not want the black spots of mildew to return. Which product will best protect against mildew re-growing, and will protect the cedar against rain and moisture?

    Sorry but TWP currently is not allowed in Canada.
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    Karen Je · 06/23/2015
    I am ready to re-stain a 16-year old house that has cedar horizontal siding, located in the Coast Mountains of British Columbia, where the summer is hot and dry and the winter is wet, with very high humidity. I have been treating the siding for mold and mildew and now have it lightened up again. My concern is that I do not want the black spots of mildew to return. Which product will best protect against mildew re-growing, and will protect the cedar against rain and moisture?
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    TWP Stains · 06/23/2015
    Robert Bauer:
    I am replacing the deck on my covered porch. It will be 2x4 redwood kiln dried layer on edge due to span between joists. The decking boards are 18' long and are going milled from rough 2x4.
    There will be some exposure to water and some sun at the south facing end of the deck since the roof overhang is not sufficient to prevent driven rain.
    I am in Los Angeles area and would like to use semi transparent gray color. Preferably oil based. What do you recommend and where can I purchase it. I will pre-stain all sides before installation.

    I am sorry but you can only use the 1500 Series in CA and it does not come in a gray color.