Prepping New Wood For TWP Stains

by TWP Help

Last Updated on May 8, 2021 by TWP Help

TWP Stain Tips for New wood Decks in 2021

When applying TWP Wood Stains for the first time to new wood there will need to be proper steps taken. New smooth wood or decking is not ready to be pre-stained prior to installation or stained right after installation. It is best to follow the directions of the TWP Wood Stain when it comes to applying a coating to new wood for the first time, not the lumber yard or the paint store’s as they do not understand the proper prep needed.

TWP and New Smooth Decking or Exterior Wood

It is important to understand that new smooth wood is not absorbent enough for the TWP Stains. New wood contains a higher moisture content and a “mill glaze”. Mill Glaze is a waxy film that results from the fast turning blades that cut the profile on a manufactured log. The high speed of the turning blades produces heat that draws sap and moisture out of the log. As it cools and dries, it creates a film or coating on the logs. This will hinder the TWP’s ability to penetrate into the wood grain.

Note: New Rough Sawn vertical wood/fencing can be stained right away with no wait and with no prep as it does not have mill glaze and is very absorbent. Just make sure the wood is fully dry. If Rough sawn wood has aged or oxidized (grayed) then it will need to be prepped with Gemini Restore Kit. One coat for most instances of newly installed Rough Sawn wood.

Let the Wood Weather First

TWP wants the wood to weather and dry out for 4-12 months after installation. This will allow the moisture content to drop and the exposed wood cells will oxidize from the sun’s UV, turning slightly gray.

Prepping New Wood for TWP Stains

After letting the wood weather it is time to prep the wood. This step consists of using the Gemini Restore A Deck Kit. This kit contains both a Step 1 Wood Deck Cleaner and a Step 2 Wood Deck Brightener. The Step 1 cleaner will help remove the dirt, graying, and mill glaze from the wood while Step 2 Brightener will neutralize the cleaner and help restore the natural color.

Staining New Wood and Decking for the First Time

Even after the waiting period and the proper prepping, new smooth wood is still not as absorbent as it will be in a few years. We strongly suggest only applying 1 coat of the TWP Stains the first time. Do not over apply as the TWP may not penetrate into the wood correctly. Make sure to back wipe any excess stain that does not penetrate properly into the wood after 30 minutes. For new smooth wood, the TWP 100 Series if allowed in your state, otherwise use the TWP 1500 Series.

Maintaining TWP Stains

Apply a light maintenance coat to the flooring in 9-24 months. If just slightly dirty prep with soapy water to remove grime and reapply one light coat. If you wait 18-24 months make sure to prep again with the Gemini Restore A Deck. After the first year or two, your wood will be able to absorb more TWP stain which results in a longer stain life and protection!

Tip:

TWP is a penetrating wood preservative. It performs properly when it penetrates 100% into the wood. Over applying will not result in longer protection.

Have a Question? Please Ask Below.

 

Related TWP Stain Help Tips

 
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jessica y johnston
17 days ago

Purchased rough cut cedar from Lowes. Have no idea the history of when it was cut. We have planed the wood and noticed some pieces were wet. How long should we wait before using twp stain?

K Bell
19 days ago

We allowed our new pressure treated deck to weather then properly cleaned and brightened then stained (2 coats wet on wet) with TWP 100 Honeytone. That was 16 month ago and now we would like to apply a maintenance coat to the horizontal areas. It is a very large deck and we are in a time crunch due to temperatures and imited days off work. Do we need to use the Gemini restore kit again or can we just gently clean using the pressure washer and mild soap? Also, if you do recommend the restore kit again, it seems like it would be difficult to keep it off the vertical rails which we weren’t planning to reapply stain to at this time. Will the cleaner or brightener fade or discolor the vertical wood if some accidentally gets on it?

K Bell
19 days ago
Reply to  TWP Help

Should I apply 2 coats wet on wet again?

Stephen Taylor
1 month ago

I know you’ve probably answered this :, if it rains after brightening but before staining (say a day or two after) do you have to rebrighten?

 
Trey Barbieri
1 month ago

New rough sawn 8×8 cedar porch column installed two weeks ago. Got them from a local saw mill, they were cut June 1, and have been setting in my shed unil installed. Which TWP series would you recommend? Any prep needed? Singe coat?

Greg
1 month ago

I have a new deck. We let it weather for approximately 12 months. I applied the first stage of the cleaner and then used a pressure washer to clean. Now, I have fuzzy stuff on the deck. Should I sand it down before using the second step brightener ? If so, what grit and should I do it by hand or use some version of a power tool like an orbital sander?

Matt Stefnik
1 month ago

Hi, I am applying twp 1500 to kiln dried Doug fir car decking to be used as a deck ceiling. The wood is at 12% moisture. I have sanded the surface and now I am applying 2 coats, wet on wet, letting sit overnight and then wiping off any excess. Is this correct? I do not want to add another coat later or redo.
Also I am using Doug fir posts,beams and rafters, much more green and higher moisture content. I will sand all surfaces and would like to coat them before I construct the very large deck that will be exposed to weather, but I also don’t want a product failure.

 
Jerry
1 month ago

New rough sawn pressure treated southern pine fence boards, how long should i let dry prior to stain

Pete
1 month ago

Would like to stain my 3 year old ‘new’ never been colored stained or treated, with the TWP 100 Clear stain. Just want to give the new cedar wood a sealant protective coat. I understand that the clear coat does not give the UV protection that the color stains do.

Being a new, seasoned cedar deck, I also read in your comments that it may only need one coat vs two ‘wet on wet’ coats. Deck is only 10 feet by 14 feet with the usual vertical posts and approx. 3 foot high railings around it – no stairs to it.

Any comments about the use of clear coat TWP 100 vs using a colored cedar stain appreciated.

Live in central midwest.

Kristi B
2 months ago

Waited 4 months to stain my cypress (not pressure treated posts) with Twp transparent stain. They have developed black mold and watermarks from leaving untreated. Will the Gemini restore kit remove this? I can’t use a pressure washer on the back because it’s too close to the house to angle far enough away to not damage wood. Also I have stainable
Wood filler in the nail holes /will that stain Ok ?

Kristi B
2 months ago
Reply to  TWP Help

Can I use the Gemini kit without using a pressure washer?

 
Boat Dock
2 months ago

Does a new marine grade wood dock need to weather and dry out before applying stain

mike wilhite
2 months ago

I’m renovating my redwood deck. Instead of just using a deck cleaner I’m actually planing down the boards about 1/4″ revealing the wood as looking new. Is this still condidered “new” boards and do I still new them to set for over 4 months before staining? I need to re seal within a few weeks. I can’t wait that long before snow and rain come. Any suggestions? Thanks

mike wilhite
2 months ago
Reply to  TWP Help

Kind of worthless then. Who wants to wait 6 months, allow the wood to possibly warp just to use your product. So what do you say about allowing rain, snow to set on it?

John
2 months ago

I have untreated cedar porch columns that I want to stain and protect. How should I prep the surface to remove natural dark streaks where the wood has absorbed water?

 
Andrew M
2 months ago

I stained my new deck this Spring (6 months ago) with cedartone 101 and immediately saw white residue at all of the knots. Now its also developing black mold on the surface in some areas. This is disappointing as I was expecting it to look nice for at least a season (I would then reapply a light coat next year as you suggest). I haven’t even put furniture on it yet. What is the white stuff and why is it looking so bad? It was a lot or work to prep and stain 600 sqft!

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Ike
2 months ago

I have a newly built dock on a lake. There’s a 1-month scheduled drawdown so home owners can work on docks and sea walls. Is it okay to use TWP 100 if there’s a 3-week+ drying time before water partially submerges the pilings (I want those to match the rest of the dock)? Or, should I use TWP 100 for above water and 1500 for where it may be submerged?

Raymond Huckleberry
2 months ago

I’m getting ready to purchase and install new cedar shingle siding. I’ve read that I should “dip” the shingles before install. Which TWP product would be best for this, and do you advise it? If so how long should they be dipped for and is one dip sufficient as I see some dip them twice?

Raymond Huckleberry
2 months ago
Reply to  TWP Help

Thank You!

 
David Carl
2 months ago

1) TWP 100 semi transparent oil based stain can be applied when temperatures are between 50 and 90 degrees, YES?

2) If I am applying here in MI during high humidity (temps in 80s or 90s, do I allow longer drying time for the first coat. First coat has to be “dry to the touch’ for applying second coat?

3) Do not apply stain in direct sunlight?

4) How do I know if my pressured treated pine deck, never stained before, sanded with 60-80 grit paper to remove mill glaze, will “take” a second coat? What do I look for after applying the first coat?

Thank you very much.

David Carl
2 months ago
Reply to  TWP Help

Thank you.

RE: The “wet on wet” approach:

1) How many minutes after first coat to apply the second coat?
2) Do you determine if it can take a second coat merely by the fact that first coat is dry after so many minutes?
3) If I run out of time and cannot do a second coat, could I wait until 9-12 months to do second coat-and if I do what would be the prep work-cleaner and brightner and then second coat? OR, cleaning with any deck cleaner.
4) Should I forego applying stain if I am not going to get 48 hours of drying time? Could I get by with 24 hours of drying time?
5) What to do if it rains after deck has only dried for 24 hours–will I see water stains? Can I do anything at that point?

6) What is the LOWEST temperature this stain can be applied and have adequate process to dry? I ask because right now in MI our temps are getting down to 50 at night.
7) I notice, too, that at night, the “dew” comes out and water drops are coming down at night on to 7 boards of mine pine-treated deck from the bottom of the gutters that’s part roof overhang. What’s likely to happen if this happens at night to one or two coats of stain trying to dry? What can I do to prevent this?

J. Colligan
2 months ago

My brand new shed is made from kiln-dried white pine. It’s been up a week and rained on four times. I would like to use semi-transparent stain. Should I use the pre-treatment? I live in Ontario, Canada.

David Carl
2 months ago

Hi, I’m going with TWP 100, either the redwood or the rustic color. 342 SF treated pine deck. Never stained. UV damage on some panels. Live in MI. Some mill glaze on some panels already. Confirming process: 1) Gemini cleaner. 2) After drying sand with 80 grit paper to remove current mill glaze fuzzies and any new mill glaze fuzzies that result from cleaner. 3) Apply gemini brighter. 4) Wait 24 hours then apply one coat and then second coat with 60 minutes of first coat. 5) Pray that it doesn’t rain for at least 24 hours. TWO ADDITIONAL QUESTIONS: A-If I will get more mill glaze, will it show up after cleaner and before brigtner or after cleaner? C-Or should I sand BEFORE cleaner and brightner? D-If I cannot get second coat. Do I apply second coat in a year and if so do I have to use gemini cleaner and brightner again to do second coat in a year? Or E_ just lightly clean deck with a regular cleaner and apply second coat? SEE ATTACHED PICS OF CURRENT DECK.

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David Carl
2 months ago
Reply to  TWP Help

Really appreciate the help. If my deck is dry after 48 hours of doing cleaner and brightner but it then rains, do I start the clock of waiting another 48 hours for deck to dry before doing first coat? Also if rain is a certainty after 48 hours drying time from prep, would it help if I laid down plastic over deck to keep it dry during rain, and then assuming no water got on deck with plastic and stain? LASTLY, MINIMUM time stain needs to dry after applying 1st coat and or two coats? THANK YOU.

 
Dan
2 months ago

After applying the TWP 1500 series to Hemlock garage doors, do you recommend a sealer? Or is a sealer not necessary with TWP 1500 series?

Dan
2 months ago
Reply to  TWP Help

Thanks. I do want to confirm though, a “maintenance” coat is recommended after 9 months or so on new wood. And that can be applied over the existing TWP application.

David Carl
2 months ago
Reply to  TWP Help

Question about your response-You say use cleaner and brightner for prep to do a second coat in 9-24 months. Won’t the cleaner and brightener REMOVE, or greatly weaken the first coat that was applied 9-24 months previously?

David Carl
2 months ago
Reply to  TWP Help

Thanks. Really appreciate the help as a big newbie.

Previous TWP advice has recommended I sand off mill glaze/fuzzies already on my never been stained pressure treated pine deck I already have AFTER applying the gemini cleaner and BEFORE applying the gemini brightner.

1) Curious though why not apply cleaner and brightner and then sand?

2) In applying the first coat to my 400 SF deck (that will be sanded with 60 OR 80 grit sandpaper to remove the mill glaze already present on some planks before the cleaner/brigtner applied) do I do 2-4 boards at a time….apply first coat…then if wood has soaked in first coat within 30-60 minutes go back and apply second coat to the 2-4 planks before moving on?

3) Would you advise to just do first coat and wait a year to apply second coat because I did do some sanding on my deck to remove the mill glaze?

David Carl
2 months ago
Reply to  TWP Help

Thanks. So to confirm:

1) wet deck with power washer
2) apply cleaner
3) rinse with power washer (40 degree arc tip on wand, hold 12 inches away so as to not destroy deck wood?)
4) Let deck dry to the touch
5 Sand with either 60 OR 80 grit paper
6) apply brightner and rinse with power washer
7) Let deck dry 48 hours after applying brightner.
8) Apply two coats
9 Ensure you have no rain for 48 hours after applying either first or second coat?

***If I see it may rain after deck has only been drying for 24 hours do I cover deck in plastic?

David Carl
2 months ago
Reply to  TWP Help

OK. So what to do if deck dries for only 24 hours and then it rains?

Sean L
2 months ago

I just finished sanding my railings/posts on my 4 year old deck with 60 grit and looking to get them cleaned, brightened and stained before moving into the floor boards since it is such a large deck. The wood looks near new after sanding. Can I go ahead and clean/brighten/stain when I’m ready or should I let it sit over the winter first?

Last edited 2 months ago by Sean L
Bill Allen
2 months ago

Does this apply to kiln-dried lumber as well? I am replacing steps and handrails (some covered, some not) and all the cedar has been kiln dried.

 
James Geister
2 months ago

We had our deck enlarged, a roof put over 1/2 of it and the rails and all deck boards all replaced in the first week of June this year. The roof over half of the deck solved the gypsy moth caterpillar feces issue this spring and early summer for that half, but the rest of the deck was badly stained by caterpillar feces. Our plan was to try to use Restore-a Deck in early fall to clean the entire deck and get rid of the fecal stains from the uncovered half so that we can stain it before it gets covered with caterpillar feces next spring. However, the deck boards beneath the covered half of our deck still bead up water that’s placed on them very nicely, but the uncovered poop-stained boards don’t bead up water at this time indicating that there’s a difference between them in their readiness for stain. We live in Northern Michigan and if we wait until the weather is good enough to stain next year the new fecal stains will double or triple the stains we have now before we can clean and stain. , making cleaning the deck boards even more difficult. If we clean and stain the boards beneath the roof now, they may not absorb the stain very well leading to a color discrepancy. I have enclosed a photo taken about 3 minutes after pouring some water on a deck board beneath the covered part of out deck. Any advice on the best way to remedy our dilemma would be greatly appreciated.

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James Geister
2 months ago
Reply to  TWP Help

Thanks for your reply! It’s usually difficult to string together enough dry days in early spring before the the caterpillars become active to be able to get it done. If not we’ll do it July/August after the caterpillars are finished staining the uncovered part of our deck. Will our unopened 5 gallon can of TWP stain still be ok for use next year? It is stored in our always cool basement.

James Geister
2 months ago
Reply to  TWP Help

Thank You!

Colton
3 months ago

I have a cedar decking that was originally rough cut, then planed smooth. I installed 3 years ago. The following fall I put twp 1500 on it. It did not absorb well as anticipated, but has been 24 months since first stain. I have power washed dirt off, but now what do you recommend for this 2nd time around staining? Prep and stain? Thanks

Ron
3 months ago

I used the last step of prep #2 rinsed and waiting the 48 hrs. We’ve had very light rain the last two nights just enough to get the surface wet. Do I need to restart the 48 hour clock after the little bit of rainfall.

 
TJ C
3 months ago

I am sanding the outdoor sections of my deck to 80 grit and have 1600 square feet of deck including verticals railings and steps. Part of the deck is covered and screened in and does not need sanding. How many gallons of stain do I need and do I apply wet on wet?

William
3 months ago

I am installing 3 cedar posts on my front porch. The posts came from trees felled on the property and were sawn and kiln-tried at a local mill for a month.I would consider them to be rough sawn, but I can see some saw blade marks that I can sand away with a light touch and 80 grit sandpaper. Since these were kiln dried and have been minimally processed, do I still need to let them weather and then restore them? Also, the posts are not clear…there are several knot holes and a few are deep. Do you have a suggesting for filling these before sealing…or how to handle these areas?

Last edited 3 months ago by William
Shelly
3 months ago

Here is a picture of a section where there is new and old siding

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Shelly
3 months ago

Hello,
We had a garage fire last winter. We have new rough (not smooth)cedar siding around the garage area that has been replaced and the rest of the existing cedar siding on the house appears to have a semi solid stain applied from previous owner. We’ve lived here 15 years and have not done anything to the existing cedar siding. Two sides of the house will be stained, to include both new and existing cedar siding. From reading others questions, you recommend sanding to remove older stain but we can’t as the siding is a rough cedar. The restoration contractor pressure washed the existing older siding and wants to apply stain over this as it now sits. Will we have issues with stain penetration? What would you recommend we do?

Shelly
3 months ago
Reply to  TWP Help

Thank you, very much, for your quick response.

Nicholas
3 months ago

Can you apply 1500 series over 100 series? I’m considering staining a new cedar fence with TWP 103, dark oak. If we wind up wanting something darker, next year can I use 1504, dark walnut? Thanks.

Dave
3 months ago

I just finished building a new deck with kiln dried southern pine in Central Virginia- since most of the moisture is out of the wood, can I apply TWS 100 promptly? Can I use an airless ( grago 550) to apply?

Dave
3 months ago
Reply to  TWP Help

Thanks! Much appreciate the prompt response!

 
Ian
3 months ago

How long should you wait before applying TWP to freshly rough cut pine poles and beams?

Catherine
3 months ago

I just received the 2 sample stains (Pecan & Rustic) to help choose a color while our deck is under construction. Is it advisable to clean and brighten the sample piece of wood before applying the stains? If my concern is only to compare the two stain colors and not wood preservation, can I expect the sample stains on un-prepped wood to be representative of the stain on the finished deck’s prepped wood in a couple of months?

Catherine
3 months ago
Reply to  TWP Help

Thanks!

Dave Carl
3 months ago

HI, It’s been two years since my deck was installed. Treated Pine. I waited a year, and was poised to apply Cabot. I applied the deck cleaner. Became ill and never applied immediately the wood brighter from cabot. Did not use power washer, so I suspect the caustic cleaner left on and two winters took their tool. Picture shows my deck now; as you see, some planks have the UV damage. Question. After applying the wood cleaner, many of the planks suffered “furring” which I understand is from “over oxidation.” Confirming, should 1) I sand off these fuzzies anywhere I seem them AFTER I apply the TWP deck cleaner and wood brighter? If yes, what weight sandpaper to use (fine? medium? 2) Should I use a power washer — set on the lowest setting (least powerful) to wash off the TWWP cleaner and brightener? I ask that last question in light of the fact that my garden hose spigot set on strongest setting did not really seem to wash off the cabot deck cleaner. Thanks.

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Dave Keith
3 months ago
Reply to  TWP Help

Thanks. Question shouldn’t I wait until AFTER I use Gemini Brightener, since I assume the brightener will also cause furring?

 
Pauline
3 months ago

My fence is installed one month ago. 1 week after, the neighbor whom I share the fence with
” sealed” his side of the fence with an oil -base clear coat and water his plants next to the fence profusely. Few days later, I notice dark water marks ( rennin?)on the bottom of my fence which did not go away after the wood is dry, mild sanding and wood brightener.
How do I remove this stain effectively before staining my side of the fence? Should I wait a few months before staining knowing the neighbor will continue watering onto the fence and probably cause more dark stains or should I stain now?
Another question: I tried new stain color on my redwood fence, now I cannot remove it with commercial stain removal liquid. Can I fully remove fresh stain on newly installed redwood fence? If yes, how?

Pauline
3 months ago
Reply to  TWP Help

Thanks for the quick response. Picture here shows the semi transparent water proofing stain&sealer from BEHR premium and semi-solid deck &siding stain from CABOT ( oil stain). I used Wood stripper &wood brighter From Cabot and could not remove the fresh stain colors. At the bottom you can see the stain ( water vs tannin?) that shows up after neighbor watered the fence
I ordered test colors from TWP but have not yet tried on the fence worrying that I may not be able to remove the color completely if I don’t like the color.

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Steven P Burtis
4 months ago

Also, do I need to do a second coat on the entire deck, including the pergola, or just the floor and stairs?

Steven P Burtis
4 months ago

Just put second coat of stain on my cedar deck. First coat was applied August of last year. It is 90 degrees today with 49% humidity. How long can I expect the drying process to take?

Steven P Burtis
4 months ago
Reply to  TWP Help

Almost 24 hours later. Deck is still shiny and tacky. Wait longer or what is my next step. I used a deck brush to stain and was careful to pull off excess stain from each board as I went.

 
Tim Herrmann
4 months ago

We have a treated wood deck that is 1 year old and has not been stained/finished. I am going to use 1500 stain and your article recommends only one coat the first time. However, when I use your calculator it shows two coats–should I be doing one or two coats? Thanks.

Tim

Lisa Frazier
4 months ago

We are building a new home with a lot of large cypress beams and cypress exposed boards on the back patio overhead. The beams have been up for roughly 3 mos. we’ve had lots of rain in South Louisiana and hot humid days. What would you recommend we use Gemini cleaner and conditioner? I like the dark oak stain. Would you recommend 100 or 1500 semi transparent for the first time? Is our weather too hot to stain now? Thank you,

Terry Manahan
4 months ago

I posted this question somewhere but I can’t find it. We have replaced some boards on our deck and need to replace some more. I want to get a stain that will blend the old and new boards without them looking too different. Will I have to go with a solid stain or would your semi-solid stain work? I am planning to strip our current stain off with RAD and brighten and then let the new wood weather until next spring/summer. Thanks!

Terry Manahan
4 months ago
Reply to  TWP Help

Fantastic! That is what I will go with next spring. Also, regarding prep next spring, if I strip and brighten old wood now, next spring would I just clean and brighten all wood with RAD? Thanks again.

 
Rose
4 months ago

I am replacing a few damaged treated boards. I have sanded the old boards and need to protect them now. Will the deck restore used next spring on the new boards strip away the TWP I will be using shortly on my old boards?

Rose
4 months ago
Reply to  TWP Help

Ok. Want to remove old semi solid Cabot stain on porch beams and use either TWP or Armstrong. Can I power wash it off with water or do I need to sand, then strip and brighten? Thanks.

Rose
4 months ago
Reply to  TWP Help

I have sanded 2 posts and sent a pic of one too. I have zillions to go plus railings and was hoping I can strip, etc with a power washer to speed this up. Thanks.

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Julie
4 months ago

I stripped and brightened a 1 year old redwood deck (because contractor stained the wood when it was still green). It came out blotches with black areas, gray areas and tons of wood fur everywhere. I decided to try again and redo the process… After stripping again (the bad areas), I started using the brightener and then I RAN OUT OF THE BRIGHTENER BEFORE I FINISHED. I understand I can’t go and buy the brightener anywhere so I’ll have to wait another week to get more.

Can you tell me what I should do in the meantime (if anything). When I get the new brightener, what should I do? The wood would have definitely dried well by then…

Kbee
4 months ago

Have newly built pillar on my house which are cypress. They were sanded 80 grit. Is there a waiting period to stain for cypress? I would like to stain as soon as possible.

Kbee
4 months ago
Reply to  TWP Help

The owner of the paint store said that because it’s not pressure treated and cypress doesn’t need to age that I can use the TWP now. Will using TWP now cause issues?

 
D. Sargent
4 months ago

We use TWP 120 Pecan on our deck and after several year and now on the third time reapplying we are concerned that the deck is getting darker than we like. Is there a clear or some other method to protect without darkening the wood?

J. Barker
4 months ago

We are having a log restoration company come in and stain our log home and we are very concerned. They blasted the logs with 20/40 media and buffed it. How smooth should the surface be before it is ready for the stain? They are pushing your TWP#206 Russett Brown product because they feel it will be the closest to what we had but without a sheen. We have just bought this log home, and most of the house had a beautiful reddish-brown color/stain with a sheen to it. The company told us it was a two-part stain coating, but it did not penetrate or protect the logs. It was peeling off in areas of direct sunlight, and the wood had become moldy. I cannot find any images of what the TWP#206 would look like when complete. Applying a stain is not something you can really change your mind halfway through the process if you don’t like it, so we want to get it right. I would prefer to test it on my propane fence first. Your site does not sell 1-gallon cans and I don’t need 5 gallons. Walmart sells them online. Is this the same product?
Do you have any further advice you could offer us, newbies? Thanks.

c stahelin
5 months ago

what is the maintence time table after first application? I saw the 9-24 months but what about > than 24 mos? how often to reapply?

c stahelin
5 months ago
Reply to  TWP Help

thk u

 
Adam
5 months ago

Hello. Just had a new deck installed with pressure treated wood 1 month ago. It gets full direct sun all day long and have already had a few 80-90 degree heat waves. I’m excited to stain it with TWP semi solid. I am a total newbie so just want to know the proper time to let it weather so the stain takes nicely but also concerned about it being exposed to the elements(rain, heat, sun) unprotected. Water looks like it isn’t beading much anymore. Any advice would be great.

Nick LoGrasso
5 months ago

If we fully sand a new cedar deck with 60/80 grit paper and it gets rained on before staining, is that a problem, or do we need to sand it again? I’m hoping it opens the wood grain even further to accept more stain. Backstory: the deck was installed about a year ago and we lightly washed it with a percarbonate cleaner and then brightened with oxalic acid. My guys stained it with Rustic, but did a bad job and the floor had minor furring from the wash (it was washed at around 1200psi with a 40 degree tip) and they neglected to read their work order that said sand walking surfaces and the stain took very blotchy on the floor where the minor furring occurred. The only remedy was to strip it with sodium hydroxide, wash, brighten with oxalic, then a full sand to bare wood with 60/80 grit. The other issue is everything on the deck is 2x lumber which is mostly clear except the floor which is 5/4 boards and they are full of knots, which isn’t helping our effort to get it as even as possible. Any help is appreciated!

Ben W
5 months ago

We just built a new deck and the wood has been weathering for about 8 months. The deck surface is Trex, and the railings are natural wood with black painted aluminum balusters.

I have purchased the Gemini kit, but I’m concerned about getting it on the Trex and balusters. Will the cleaner and brightener damage or discolor the Trex and painted balusters if there is some overspray?

 
Jamis Roose
5 months ago

Which states is TWP 1500 not allowed in?

alfred santos
5 months ago

can i sand a new wood for my pergola (non treated douglas fir) with 120 grit before applying 1500 series. thanks

Ben W
5 months ago
Reply to  TWP Help

Our wood railings have been weathering for about 8 months now, and the top handrail had become very rough so I sanded it with 320 grit since we will be running our hands across it. Did I do a bad thing right before I’m getting ready to prep and stain?

Ben W
5 months ago
Reply to  TWP Help

Oops. Thanks for the clarification. Should I re-sand with 80 grit? Or do I need to let it weather some more? If so, how much longer should I let it weather before applying stain?

Ben W
5 months ago
Reply to  TWP Help

Got it, thank you!

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