Prepping New Wood For TWP Stains

 

Staining New Wood with TWP Decking StainsWhen 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 stain manufacturer 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 cuts 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 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 the 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. Use the 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.

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872 Comments on "Prepping New Wood For TWP Stains"

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Michael D. Volland
Michael D. Volland

What stain series are available in Pennsylvania?

Terrie
Terrie

I’m replacing a few pieces of decking, stairs and top rail with select pressure treated lumber along with some balusters.

The product on the decking now is opaque so I’m sanding it off. I’ll leave it to weather with the new decking.

Which product would be better to use with the mixture of old/new wood (after cleaning and brightening, of course)?

Jean mono
Jean mono

I’m building a new cedar deck. When it comes time to stain the wood do I stain all sides? So the exposed undersurface as well?

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Theckla
Theckla

Do the hand rails need a different stain since they are exposed to the sun? My deck is covered.

Rayna
Rayna
We just installed a new KD cedar deck. There are a few rough places between boards that we wanted to sand down and smooth out. If we sand a few select places on the deck, will we need to go over the entire deck with a light sand paper to even it out before staining? I am concerned that the wood will absorb the stain differently where it has been sanded. Is this true? Also we live in Seattle; is there any harm in sanding the wood and then letting it weather for months through the rainy season? Is it… Read more »
Steve
Steve

My deck has “aged” for a little better than a year now. I have the stain and the Gemini cleaning kit, but is there not a need to power wash it or sand it or anything first?

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Scott St Louis
Scott St Louis

My deck is new with pressure treated lumber and I live in Florida .. What time frame do you recommend to let moisture content to evaporate before applying TWP 100…

Steven R Arch
Steven R Arch

Sirs,

I am putting new White Oak down for my decking material. What recommendations do you have for my use of your product? I do not want to stain the wood, if possible, due to the color and grain. The wood was just milled a few months ago and the current moisture is 12% and what about the ends.

Recommendations.

Thank You

Susan Reed
Susan Reed
We are expecting a pergola kit this week. It’s kiln dried Western Red Cedar with 15% moisture according to Outdoor Living Today, the manufacturer. They say it needs to be stained without any weathering prior to assembling it. The owner said it needs only to be sanded on all surfaces with 100 grit sandpaper prior to any staining. Is your product something that can be applied to new, kiln dried WRC? We are are going to apply the finish in our garage. The directions for staining new cedar had said to let it dry for 24-48 hours to make sure… Read more »

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Mike
Mike

Spell check hates me. I meant cypress.

Mike
Mike

Live in Georgia, metro Atlanta. I have a deck with Cyprus decking 3 years old. I used TWP 1500 on it when new. I just stripped it with pressure washer, Sherwin Williams stripper and neutralizer. I plan n sanding prior to staining. What would be the best to use the TWP 100 or 1500? Do I need to use the Gemini prep?

Dave K
Dave K

Stain both sides of deck boards? I assumed I should stain both sides of my cedar decking board, also the end grain at the cuts. Everything I read here suggests to install the deck, let it weather for a year, then stain. So then I will have to remove the boards to stain all sides and ends? Sounds like a lot of work. But doesn’t the wood need to be sealed all around? Especially the end grain?

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Michael Lyttle
Michael Lyttle
I have just installed kiln dried, half log, Hem-fir siding on my home. It was stacked, covered in the yard for approximately three weeks and has been on the house for two weeks to three weeks. I’m in Oklahoma so it’s in the nineties a lot of days and high humidity and the house is in full sunlight. Being kiln dried do I still need to wait four months? What tells me the wood is ready? Am I looking for a certain moisture content or just letting time lapse? Should I caulk the screw holes and gaps now or wait… Read more »
Deborah
Deborah

Ready to stain a new 1460 sq ftoot cedar deck that has been weathered approx. 10 months. Looking to use the 1500 series stain, how many gallons should be purchased of the stain and what cleaning product?
Thank you.

Deborah

DOUGLAS RUTH
DOUGLAS RUTH
I am staining a BBQ bar with TWP 100 (as well as a fence). Because the railings on the top of the bar will see much wear, I want to add a finish coat for additional protection. I know you recommend against this. However, it seems that many boat owners have had success using CPES (Clear Penetrating Epoxy Sealer)after staining but before applying varnish or spar urethane over the CPES wood. Apparently, the CPES does not interfere with the stain (as long as you allow the stain to dry for 2-3 days) and it provides greater longevity to the varnish/urethane.… Read more »

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Joan Thiem
Joan Thiem

We have a new kiln dried wood deck. Do we use 1 or 2 coats of the 100 series stain?

Chris Pisano
Chris Pisano

We have installed a new 1,000 sq. ft. bee grade redwood deck 2 months ago. We are located in Sacramento CA. Temperatures have been 80 to 100 degrees in the last few weeks. Humidity has been low. Wood is starting to gray and some boards are showing checking and splitting. Concerned with the cracking that it needs to be stained now.

Drew
Drew

3 year old stained cedar deck. Looks terrible. Do I start with stripper and brighter or Gemini restore a deck

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Sandi rutter
Sandi rutter
I just stained my decked with 100 series rustic oak. I prepped my deck exactly as directed with restore a deck stripper filled by the brightener. Before I stained it I had touched up a few paint areas on my ceiling of my porch and a couple drops of paint dried on the deck. I just lightly sanded those areas after (after the restore stripper and brightener). As you can see in the photo those areas did not take the stain. Any suggestions? Could I just tape off those individual boards with plastic, strip and then re-stain the individual boards.… Read more »
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Henry
Henry

New pressure treated deck built almost 4 mos ago. I have a contractor lined up to clean and stain the deck soon. He is planning on sanding down the wood and pressure washing. If we use your cleaner and brightener can we skip the sanding and pressure washing?
( we would probably at least pressure wash the black stamping off the lumber.)

LM Pollock
LM Pollock

which product is best suited for new treated pine fence & proper application?

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Jeff
Jeff

Brush or Pad for best results for deck?

Bobby
Bobby

Just got some TWP 100 stain. Wanted to sand our deck first (8 months old, but lots of rain in WA and some pressure washing to clean the boards raised some of the fibers enough to warrant).

What grit would you recommend? Was going to use 50 grit then maybe 80 – 100 grit to smooth it out some, but if 50 works I’m OK with that.

Sergio Zapien
Sergio Zapien

Newbie – just received my TWP kit. New deck, Douglas fir, just shy of 2 months old, located in the SE part of Washington state. The deck hasn’t seen much rain, about 6 hours of solid sun for the past month.

Still advised to wait at least 4 months?

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Tony
Tony

I am using Restore A Deck Stripper on a $1,150 Sq Ft wraparound deck. The deck has multiple layers of stain that has to be removed. Following the Restore A Deck Stripper directions of 1 cup per gallon and letting it sit for at least 30 minutes requires some aggressive brushing to remove all of the layers of stain. Too loosen the layers of stain more effectively, can I increase the strength of the Restore A Deck Stripper?

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Bill Fleischacker
Bill Fleischacker

Can you wait to put the brightener on a few days after cleaning? I ran out of the cleaning material so I have 3/4 of my deck clean but have to wait for more cleaner to be delivered. I’m using the restore-it kits.

Sean
Sean

I have a 1yr old unstained PT pine deck. Does it matter if it rains after I use the gemini restore kit as long as it drys for at least 48 hrs? How long can I wait to stain after cleaning?

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Joe
Joe

I think I’m ready to prep and stain a cypress fence. It was green, not kiln dried, wood 7 months ago. Moisture meter reads 4-11% now. Not much discussion about cypress here, but I plan to spray and back brush one coat of 1516 and repeat again next year. Anything else I should be thinking about?

Danil
Danil

If I have stripped and sanded down the boards of 4 year old pine deck, do I need to let it weather a bit first?

Should I do two coats?

Lesley J
Lesley J

i have a pressure treated pine fence in NC, do i need to wait? not sure of the difference between smooth and rough.. i’d say it’s rough to the touch..

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Cheryl
Cheryl

Hi, do these instructions pertain to the TWP 200 as well? It is mentioned to let the wood dry out for 4-12 months…We live in Ottawa, Canada. Our new deck was installed last August 2017. Should we wait a few more months before prepping and staining?
And,have there ever been issues at the Canadian border when shipping TWP 200 to Canada? Thanks.

Bret
Bret

What do you suggest for untreated pine deck boards? How long should I wait to stain them? I do not like pressure treated lumber because of the warping I have had in the past. This deck if for my camper at the lake in Iowa

Ralph
Ralph

Also, TWP 100 or 1500?

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Ralph
Ralph

Have a Pressure treated pine deck installed 10 months ago in a new house we just bought in north GA. After cleaner and brightener, will it take 2 coats or just one? If I buy 5 gallons for a 32 x 8 deck with no stairs and 10 8ft 4×4 posts, how long will the stain keep in storage to use again? I don’t know if it will take 2 coats or just 1.

Patrick
Patrick

1520 Pecan over treated lasted 2 years on flat and looks okay on vertical areas.
I’ve cleaned / power washed all surfaces and allow to dry 2 days
Applied Wood Deck Brightener have a question and wondering was it okay to allow the brightener to soak into the wood and surface to be almost dry prior to a heavy rinse with garden hose?
Question 2
Use only a garden hose to rinse off brightener and how long to allow deck to dry from only a light rinse?

Steve
Steve

How long must it stay dry after applying TWP 205 stain?

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Steve
Steve

We did the two part prep on Monday. We planned to stain on Thursday(48+ hours). Weather report just changed. It is now raining Saturday and Sunday. So less than 48 hours of dryness if I stain THursday. Should I still stain Thursday and put a plastic tarp over it to protect it Saturday and Sunday or let it rain, deck gets wet again and wait 48 hours to stain? Please advise.

Tac Kle
Tac Kle

Who is a TWP dealer in Kansas City area?

Larry
Larry

New deck was installed August, 2017. Today (4/26/18) applied Gemini 2 step cleaner and brightener per instructions. No problem after using cleaner. However, after using the brightener, there was a distinct green tint to parts of the outside railing. No issues with deck flooring. Hesitant to stain with this issue.

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Rail.jpg

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Rae
Rae

We are putting up porch columns and corbells of cedar. We plan on sanding the rough cut lumber so that isn’t quite so rough, but not necessarily perfectly smooth. Can we apply stain right away or will sanding generate too much heat and cause it to not take the stain well.

Joe
Joe

Our cedar deck was built in May 2015 and has not been touched since then. We are planning to stain it this summer. Our painter has never used your product, but plans to power wash the deck, sand a bit, and then begin staining. You mentioned that only one light coat should be applied after 9-12 months, is this the same for a deck that is untouched and 3 years old?

Jerry Thompson
Jerry Thompson

I am REALLY confused…the new wood prepping article says new wood has a “mill glaze” and you should wait 4-12 months before treating. Then, the next paragraph says new rough sawed wooden fencing can be treated immediately…

I live in Florida and just had a new PT pine fence installed that looks rough sawed. It has a slight greenish appearance, but many pickets look dry and are beginning to crack…

Should I treat it with TWP 100 and should it be treated now or wait 4 months?

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John west
John west
So I’m building a small all cedar pavilion in my backyard. We are doing the posts, fascia and soffits with 205 california cedar since they get exposed to the sun more. For the ceiling we used tongue and groove. Today I had an idea to bring some contrast to the pavilion. Could we stain the t&g ceiling a lighter color, maybe something from the 100 series? Is this too complicated? Will the look of 100 and 200 clash too much? And am I asking for trouble by doing the ceiling in a 100, which I understand won’t protect as long… Read more »
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Leigh
Leigh

I have different aged boards. The oldest looks much better after power washing so I feel like with the cleaner, it will look pretty good. I will need to try the grey boards as well but they are newer boards. I also replaced 3 new ones. I’m trying to decide if I can get them to look good with a semi transparent or if you think there are too many variations going on with the wood. I am in Alabama and looking at Rustic

Larry W
Larry W

Putting on new deck boards, YellaWood. It is kiln dried and the manufacturer says to use an oil based stain immediately after installing. I know your instructions say wait 6+ months. Can I use TWP 1500 or 100 right away?

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Tom Lykowski
Tom Lykowski

Planning to build pergola using new cedar wood. Carpenter says for us to stain all pieces prior to his cutting and assemble. That way we only have cut ends to touch up with stain.Makes sense but can we do that with TWP 100 ???

American.oow
American.oow

I have a new deck that was completed about 6 month ago. It is made of 2×6 SYP treated lumber. It is uneven so i am preparing to rent the vibrator floor sander
probably with the final sand being 80 or 100 grit to cut it down for a level surface. I will be using the 105 semi transparent stain.
I am in south Eastern Virginia.
Can I put the stain on immediately after Sanding?
Do I need to do two coats?

Thanks

newfende
newfende

With a rough sawn redwood fence, how soon do you recommend staining the wood after installation? If I wait a month, will I need to clean off any dirt/soot residue from rain, air pollution, etc?

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stephanie
stephanie

What if we get kiln dried cedar decking that’s new. Can we apply the stain immediately?

Larry
Larry
I am installing a horizontal cedar fence, 1” x 6” planks with a 3/4” gap between each plank(see attached photo for example), over a CMU block wall. I am anchoring the 2” x 4” posts directly to CMU wall then attaching planks to the post, so there will be an 1 1/2” gap between CMU and the back of the plank. I will not have access to the back of the planks once they are installed. Can I seal the backs, ends and sides but leave the face unsealed to allow the wood to age before sealing? If not, what… Read more »
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