Difference Between TWP 100 and TWP 1500

TWP 100 or TWP 1500 Series DifferencesDifference Between TWP 100 vs. TWP 1500

The TWP brand of exterior wood and deck stain has been around for over 2 decades. It is the only registered EPA wood preservative on the market today. It is made using only the best quality raw materials to offer superior wood protection. TWP Total Wood Preservative comes in several different series of formula. Knowing the differences can help you to make a more informed decision.

TWP 100 Series Stain

The TWP 100 Series is the original formula of deck stain and preservative. It is EPA registered and contains an exclusive blend, which protects wood from becoming damaged. This particular series of TWP wood stain has been respected for over 25 years. 

TWP 100 Series Wood Preservative penetrates wood to enhance its natural color. It comes in 6 varieties of wood tones. It will prevent the wood from turning gray by blocking out harmful sunrays and has exceptional water shedding properties.

The 100 series is not prone to mold or mildew and is best used on wood siding, decks, fences, and hardwoods.

TWP 100 is restricted in 36 states due to higher VOC levels. It cannot be shipped to these states: California, Connecticut, Rhode Island, Maine, Massachusetts, New Hampshire, Vermont, Delaware, District of Columbia, Maryland, New Jersey, New York, Northern VA, Pennsylvania, Parts of Arizona, Ohio, Illinois, Indiana.

TWP is about 30-40% in solid content. It absorbs very well and dries in 2-6 hours for most scenarios.

1-2 coats depending on the age of wood. If doing two coats, apply "Wet on Wet". The first coat is a saturate coat, followed by a light coat to ensure absorption and even application.

TWP 1500 Series Stain

The new 1500 Series low VOC formula wood stain is compliant in all 50 states. The 1500 series wood stain is formulated to penetrate wood better, to dry faster, and outperform previous versions of TWP stains. It is also a registered EPA wood preservative.

TWP 1500 Series Deck Stain stops structural damage caused by wood rot and decay. It enhances and prolongs a wood surfaces natural color and eliminates graying. It resists water and moisture, which can cause warping, cracking, splitting, and freeze/thaw damage. TWP 1500 uses mildewcides that help eliminate the growth of mold and mildew.

TWP 1500 is roughly 60-70% in solid content. Absorption rate is a little slower than the 100 Series and dries in 4-12 hours for most scenarios.

1-2 coats depending on the age of wood. If doing two coats, best to apply two light coats "Wet on Wet".

The new Total Wood Preservative 1500 Series Stain is easy to apply and maintain. It will keep your exterior wood surfaces beautiful and protected for many years to come.

 

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337 Comments on "Difference Between TWP 100 and TWP 1500"

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Brian
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Brian

I live in Austin, TX and just finished building a new 6 ft 3/4″ cedar privacy fence. The cedar is smooth on both sides. Four questions: (1) How long do I need to wait before applying a TWP product; (2) which TWP product do you recommend; (3) which color in a semi-transparent would be best to show the natural cedar color and variation in the cedar boards and (4) what is the process to reapply in a few years. I understand clear is not an option because it does not provide UV protection.

Monty Upchurch
Guest
Monty Upchurch

Hello, 6 months ago I had my dock (fresh water lake-Georgia) completely re-decked w/ yellow wood pt pine. It has dried for 6 months and is now ready to seal. I would like to stay as close to clear in color as possible, but don’t want to end up w/ UV greying. Which product should I seal with? Thanks

Jim Varady
Guest
Jim Varady

Hello,
Just built a cedar fence 1 month ago and want to keep the new color look. What series would you recommend and does it come in a clear that won’t turn grey over time?

Brad
Guest
Brad

I have a cedar deck that was built in May 2016 in Kansas and want to know if i should use 100 or 1500.

Gary
Guest
Gary

I have a composite deck in central Texas. The horizontal surfaces look very dirty with black smudges. After one year it began to turn pinkish so I stained it with something, I think Olympic. Is there a way to restore it and use TWP 100 on it?

Don Feuz
Guest
Don Feuz

Preparing to stain 10 year old home with cedar shingle siding. Existing type of stain unknown. Will be prepping with the Gemini products. Once prepped, do I use 100, 200 or 1500? Live on the North Oregon coast so lots of salt air.

John
Guest
John

I have a 5 year old cedar sided home that was stained with twp 116 rustic oak. Beautiful ! It is time for another coat especially on sun exposed parts of the home but I can no longer get twp 100 series in my state. Can apply a coat of twp 1516 right on top? Many thanks.

mitch beaver
Guest
mitch beaver

1.can I apply TWP 100 over TWP 1500? I plan to use Gemini cleaner first. Original coat was applied back in March of this year.
2.TWP 1500 color was “natural”, we are very pleased with color. Is there an matching color in TWP 100?
We are in central North Carolina.
Thanks

Sam
Guest
Sam

Is special prep for new bamboo pole fencing before applying TWP 1500?

John Hicks
Guest
John Hicks

I should mention that I live in Washington State with a westerly view.

John Hicks
Guest
John Hicks

I want to know what the difference is. I am not able to determine the difference from the descriptions given above other than the solid content. I live on a salt water bay 72 steps from he beach. Which should I buy and apply. I have been using 100 but now have discovered 1500.

Andrew
Guest
Andrew

I just build a new cedar fence/gate in Denver, Colorado and am looking to stain it to protect it from turning grey. It gets a lot of direct sunlight and I want to keep it looking natural. What is better for this environment, 100 or 1500? For a natural look what color is best? Thank you.

Bill Gambrill
Guest
Bill Gambrill

I live in Maryland on the Chesapeake Bay. need to stain my pier after several years of use. What products can I use to clean and then stain the pier that won’t hurt the grasses and animals (oysters, crabs & fish) living in the bay ?

Stephen Metcalfe
Guest
Stephen Metcalfe

I put up a new small workshop (8x12x8 with a metal roof) using tongue and groove spf in late April. It’s just starting to show some weathering now, so I reckon it’s ready to stain. Was thinking TWP100 Cedartone. Thoughts?

Dave Worman
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Dave Worman

What are the active ingredients of TWP 1500? Is it safe to use in building a greenhouse where it comes into contact with the soil being used to grow veggies?

Melissa R Smewing
Guest
Melissa R Smewing

Is the 100 series good for use on an exotic wood deck, like Ipe?

Dawn
Guest
Dawn

We have cleaned our 20 year old pine log home in NC and want to stain. Which TWP stain would be better for our logs, 100 or 1500?

Dave
Guest
Dave

What would you recommend of a bamboo fence? Which stain and hoe to prep. Thanks

michael
Guest
michael

What “parts of Arizona” restrict twp 100

Janice
Guest
Janice

I have a cedar deck that is about 7 years old. It has never been stained. We just clean it every year. It’s in pretty good shape but is looking a little dry. I cleaned it two weeks ago with Behr all-in-one deck cleaner. I didn’t know about the Gemini products until now. Should I reclean and brighten with Gemini before I stain with the TWP 1500? Also, should I use two coats of stain considering it’s not a new deck but never been stained?

Dustun
Guest
Dustun

The 1500 series has more solids than the 100 series. Does this mean it is more likely to peel? I am currently dealing with Sherwin Williams deck stain that is peeling and don’t want to ever strip and sand the deck again. I live in Ohio and get lots of shade so I thought the mildewcides in the 1500 would be good, but am worried about it peeling more than the 100 series. Thank you for commenting.

Walter
Guest
Walter

Hi, I have a 2 year old treated pine deck and 6 months cedar pergola on it.
I cleaned and brighten the desk and put one coat of cedar TWP 100 on it. I has been about 5 hours, can I come back and put another light coat on it?
If so what would I need to do?

Jayne Boyer
Guest
Jayne Boyer
We have a 25 yr old deck that we’d like to get a few more years out of. It was last stained several years ago with a Behr product that is water soluble. We have cleaned the deck with Restore-a-Deck and would like to stain it a darker color than what it is now (teak color is current color). On half of the deck, the stain has worn off but the other half is fairly intact. Do we need to remove all of previous stain to be able to use TWP stain since it is oil based?
John
Guest
John
I live in Wisconsin, have a 2 year old large 50×16 cedar deck facing southeast so lots of wind, snow, rain, etc. The deck also gets lots of foot traffic and we have a very large (over 150 lbs) dog. I’d coated it with Cabot sealer and after 1.5 years it was peeling badly, looked horrible. I ended up pressure washing and sanding entire deck and am back to bare wood. I realize I need to maintain and reseal the deck every couple years but am looking for a product that will not flake/chip that I don’t have to sand… Read more »
Diana
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Diana

Previously, I have used TWP 100 on my deck. Is TWP 1500 a better, longer lasting product? If so, should I switch to the 1500 after cleaning my deck?

Bob Yenson
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Bob Yenson

My deck is located in Southern TN and is exposed to direct sunlight most of the day. Should I use 100 or 1500 series deck stain.

Joe in ATL
Guest
Joe in ATL

What is the TWP 200 color equivalent of TWP 1503 dark oak ?

TWPStainHelp
Guest
TWPStainHelp

Sorry but in the 200 Series, there is not a color that is similar to the Dark Oak.

James Richards Jr
Guest
James Richards Jr

James R.
I live in Wichita Kansas and I am contemplating on using the 100 Series or the 1500 Series Semi-Transparent Stain I have new Cedar and old Cedar, both have been Stripped and neutralized with a brightener / cleaner. I would like to keep the natural Cedar color / look if possible. The New wood has been on the house for aproxamently 2 mounts. Which one do you recommend? What color / shade do you recommend? Is there anything else that you would recommend?

TWPStainHelp
Guest
TWPStainHelp

See this about new wood as it is too early to stain now:

Prepping New Wood For TWP Stains

Use the 100 Series, any color that you like will work. We have samples for testing on our site.

KevinKJ1
Guest
KevinKJ1

In Arkansas, pressure treated pine decking, which should I use, 100 or 1500? It seems 1500 is marketed as being superior to 100, but it seems you usually recommend 100 over 1500 if it’s legal in the area? Pros and cons of each?

TWPStainHelp
Guest
TWPStainHelp

They are both excellent stains. Most use the 100 Series in your state. See this for differences:

http://www.twpstain.com/difference-between-twp-100-and-1500-series

Goose
Guest
Goose

Can you mix the 1500 stain with 100 series?

TWPStainHelp
Guest
TWPStainHelp

No, it is not advised. Mixing should be done with the same series.

Steve
Guest
Steve

have a cedar deck in St. Louis. We live in the woods so most of the deck has filtered sun. Those areas that get sun do so only about 2 hours per day. originally used Defy stain now looking to clean and use TWP 100 or 1500. How best to clean and which product would be best?

TWPStainHelp
Guest
TWPStainHelp

You cannot just clean. You have to strip off the Defy and then brighten the wood. Try using the Restore a Deck Stain Stripper and Brightener kit. Stain with TWP 100 when done.

michelle brown
Guest
michelle brown

We are stripping and brightening our cedar playground in Atlanta ,GA. Looking into a light brown like Pecan in color. Which should I use the 100 or 1500 series for lasting durability – especially on the stairs and platforms which get the most wear. Thanks!

TWPStainHelp
Guest
TWPStainHelp

Use the 100 series.

waff
Guest
waff

Our deck has relatively little direct sun exposure. We are in lower Michigan. Would TWP 100 or TWP1500 be better for this application?
Also, how much addl. life span could we expect if we went with Cedartone rather than Honeytone?

Thanks!

TWPStainHelp
Guest
TWPStainHelp

Use the 100 Series. Cedartone gives better UV resistance over the Honeytone. About 2-3 years with Cedartone. Less with Honeytone.

Barry
Guest
Barry

When using the stripper on cedar siding, it’s easier to see the places that were missed the next day when the wood is drier. Is there any reason the brightener can’t be applied on the day after it was stripped instead of the day it was stripped?

TWPStainHelp
Guest
TWPStainHelp

Yes it is easier to see missed areas after it dries. Best to brighten as soon as possible. It neutralizes the stripper active ingredients.

Peter
Guest
Peter
I have five year old Brazilian red wood decks. This is very hard wood. I have been using Penifin. I am going to do a deep sand to get past the surface cracks and grey. I want as much of the natural color and grain to come through and don’t want it to be gray in a year. I live in Colorado. Do I need any other prep beside the sanding? Which product is best and if you think the 100 how much better and why? If they are close in performance I would prefer the low voc but I… Read more »
TWPStainHelp
Guest
TWPStainHelp

Prep with the Gemini Restore Kit after the sanding. The 100 and 1500 are close in performance. The only reason to consider the 100 over the 1500 is that it is a little thinner in consistency and possibly will penetrate a little better into the sanded deck. Has a lot to do with how fine you sand. We suggest 60-80 grit a most.

BILL KING
Guest
BILL KING

PLEASE; I LIVE IN SOUTH FLORIDA. I HAVE 500 SQ FT OF PRESSURE TREATED DECK. IF I TREATED MY DECK WITH YOUR PRODUCT, HOW LONG APPROXIMATELY WOULD IT BE BEFORE I HAD TO TREAT IT AGAIN. THE DECK HAS LITTLE TRAFFIC ON IT, IT HARDLY GETS USED. THANKS…B.K.

TWPStainHelp
Guest
TWPStainHelp

2-3 years is normal.

TWPStainHelp
Guest
TWPStainHelp

Make sure that all of the Flood has been removed. Use the TWP 100 Series. Apply two coat “wet on wet”.

christi s
Guest
christi s

I am looking to restain my deck. I live in Minnesota and have a Cedar Deck, approx. 3 years old. We originally applied a Flood and it did not hold up well. I have properly prepared the surface. Looking for the best stain that is easy to reapply every couple of years that doesn’t require stripping. Is the TWP 100 or TWP 1500 better for my geographic location. The deck has a lot of direct sun and humidity in summer and cold and snow in the winter. Thanks!

Paul Willette
Guest
Paul Willette

Looking for advice on which stain to use (100 or 1500). We’re located in mid-Michigan and and have a 20 year old deck. I’ve spent the past couple weeks sanding off the previous finish (Behr all-in-one wood finish) that failed after a single season. Currently down to the bare wood. I’ve replaced a couple boards, otherwise the deck is in excellent shape. The deck is large (1600 sq. ft.) with sun exposure during about half the day.

TWPStainHelp
Guest
TWPStainHelp

Prep after the sanding with the Gemini Restore Kit and use the TWP 100 Series.

jim rolfe
Guest
jim rolfe

I used twp 1500 1 year ago, am I able to give it a light cleaning with a power washer

TWPStainHelp
Guest
TWPStainHelp

Using a pressure washer may remove some of the stain. Better to use soapy water and rinse.

Steven Lane
Guest
Steven Lane

Thanks for the prompt response. So the only recommendation for using TWP Stain is to leave the wood unstained for a period of 4-12 months? That seems like a very long time to wait. Is that true for all your stains? Is there an inherent risk in leaving the wood raw for that long?

TWPStainHelp
Guest
TWPStainHelp

That is normal and is the same for all TWP products. No it will not harm the wood.

Sam
Guest
Sam

Is it true even if the wood is kiln dried?

TWPStainHelp
Guest
TWPStainHelp
Steven Lane
Guest
Steven Lane

New to your product line but see it is highly recommended. I just had a new pressure treated deck built about a week ago and waiting for it to dry out to stain. I live in Raleigh NC and am looking for a UV – scuff – mildew resistant stain. Assuming the TWP1500? Can I stain with this product within the next few weeks? Please advise.
Raleigh NC.
Raleigh NC.

TWPStainHelp
Guest
TWPStainHelp

Steven, please read this about new decking: https://www.twpstainhelp.com/prepping-new-wood-for-twp-stains/

TWPStainHelp
Guest
TWPStainHelp

TWP 100 Series is allowed there. You can order it online from us. It is not allowed in the 4 counties surrounding DC. Rest of VA is fine.

Dali Wang
Guest
Dali Wang

I stained my fence (pressure treated wood) with 100 cedartone 4 years ago. Now the fence needs a new coat. However, 100 is no longer available in my state (Virginia). Can you apply 1500 over 100? If yes, what color should I use for 1500?

TWPStainHelp
Guest
TWPStainHelp

What city/county in VA?

Dali Wang
Guest
Dali Wang

Yorktown

Steve
Guest
Steve

I am building a new cedar deck in Missouri and will be using either series 100 or 1500. Is one better than the other? After the deck is complete I was thinking waiting 2-3 weeks for for wood to calm down. At that point, do I need to powerwash and brighten new wood? or go straight to staining?

TWPStainHelp
Guest
TWPStainHelp

Steve,

See this about new decking: https://www.twpstainhelp.com/prepping-new-wood-for-twp-stains/

We would suggest the 100 Series for your area.

Jason V. Advani
Guest
Jason V. Advani

Hello,
Is there any issue in applying 101 over 1530? I understand they’re roughly the same color. Any special prep needed? I loved the 1530 but I have access to 101 and I’m looking for something even better, if possible.
I applied a single coat to a 12-month-old “new” pressure treated deck last July and it has begun to fade already. I probably should have put on two coats at the time. Will a new application blend in enough or do I need two apps?
Thanks,
Jason

TWPStainHelp
Guest
TWPStainHelp

Stay with the same unless you want to strip off the 1530. They are no exactly the same color. If you want to remove, it will be fairly easy. Use the Restore a Deck Stripper and a pressure washer. Use the Brightener after to neutralize.

Jason
Guest
Jason

Hello,

I applied one coat of 1530 to a one year old pressure treatrd deck on a July 2015. It has faded since then–maybe two coats were needed. I’m going to re-coat it this late spring / early summer. I have access to 101. I understand that this is nearly the same color as 1530. Is the 100 series better than the 1500 series? Any problems with changing from one series to another? In subsequent years, any issue changing back if I had to?

Thank you,
Jason

Diamond1208
Guest
Diamond1208

i have 2 questions. 1. i just had a new deck built with presure treated wood, how long do i wait to stain? I will be using the 1500 seris redwood 2. do i need to use the wood prep or just the wood cleaner and wood brightner? sorry question number 3. my contractor said i should just seal but i want to stain does it matter?

TWPStainHelp
Guest
TWPStainHelp

See here about new wood and TWP: https://www.twpstainhelp.com/prepping-new-wood-for-twp-stains/

Just sealing with a clear will not provide protection from UV graying. You need a stain for this.

Khin
Guest
Khin

Here are my Deck pictures

TWPStainHelp
Guest
TWPStainHelp

Not sure what it is but it is not the stain causing this. You can tell by looking under your table. It is not affected there. It might be pollen dust, mineral deposits from the rain water after it dries on the deck, etc. Does it wipe off with a wet rag?

Khin
Guest
Khin

Well, I did not try to wipe them off, it started with a few areas and now happened to the whole deck. My next question is, do you think I should stain again or leave it until spring time.. Will try to post another picture.

TWPStainHelp
Guest
TWPStainHelp

Leave until Spring.

Khin
Guest
Khin

Why my deck is blushing after I put TWP1500 in June of this year. It looks terrible after each rain and now it looks white all over. Cedar deck. This is the first time happening, and I used your product every 2 years to clean and re-stain the deck.

TWPStainHelp
Guest
TWPStainHelp

TWP does not “blush” so it must be something else causing this. Please post a picture.

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