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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782 Comments on "Prepping New Wood For TWP Stains"

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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?

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?

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 ???

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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?

stephanie
stephanie

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

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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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Jon Heisterberg
Jon Heisterberg

5 gallon TWP 207 Butternut has clumps in it after opening and resealing in same container 1 year ago. I mixed up and strained out clumps. Does it have to be thrown out? If I applied to railings and pickets last stained with Twp 207 about 7 years ago, would it offer any benefit to the wood? Just hate to waste 4.5 gallons.

John Petty
John Petty

I’m using a dry clear verticle grain Hemlock Fir 2 x 12 for fascia that I would like to stain with a semi-solid reddish brown. Information online strongly recommends a pre-stain conditioner to avoid blotchy results. Your thoughts on obtaining best results with your products? Thanks, John

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Paul
Paul

Can I apply TWP100on a new kiln dried pressure treated pine deck immediately after it’s installed or do I need to wait a few months?

Chris
Chris

Built a deck using pressure treated lumber this summer. Completed in late June. Planning to stain next spring. Sounds like I should use the restore a deck kit first. Do I allow it to dry between cleaning and brightening? Sounds like a pad is best for application? Any particular pad? Wait 48 hours to stain? Does this all sound correct?

Bubba
Bubba

I’m having a new redwood fence installed in Southern CA. How long do I wait until after installation before applying TWP 1500?

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Bill
Bill
I’ve used the first of the two Restore a Deck products and cleaned/prepped my deck for TWP (101). How long can I go (timewise) between Cleaning Step 1 and Brightening Step 2? How long between Brightening Step 2 and application of the TWP product? Reason for asking is that I plan to do all three during the 2017 fall season, but since it’s in a seasonal cabin that I cannot get to except periodically, I am breaking the project into hopefully 2, perhaps 3, parts: Step 1 Clean; Step 2 Brighten; step 3 stain. I’d like to combine steps 2… Read more »
Rebecca
Rebecca

When using kiln dried lumber for your new deck project, do you still need to wait the 4-12 months before applying the first coat of stain? We are using composite decking, the stain would only be on the uprights, railings, and trim.

Valerie Martins
Valerie Martins

Hi
We had a new cedar fence installed in CT 2 months ago and some of the top pieces have started to turn black and warp slightly. Is it time to treat it? Either with clear or cedar color…which product, and does it need to be cleaned first. Thanks

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Charlie
Charlie

My deck is two years old, made with pressure treated lumber.

It has never had any kind of finish applied.

After cleaning and brightening, should I apply one coat or two? I have to use TWP 1500 because of where I live.

Kate
Kate

We had our deck professionally stained with TWO 100 and the color is very uneven. Company does not seem to know how to fix this, today they tried mineral spirits. What should we ask them to do?

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Josh
Josh

I am using tulip poplar as board and batten siding. The wood was rough sawn on a bandsaw mill in March and stacked to allow it to dry. It is around 12%-15% moisture now. Should I stain now or wait until it’s been installed 4 months or next spring? I live in Kentucky, would the 100 or 1500 series be best?

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Gene Kalley
Gene Kalley

My cedar deck is 4 months old. I bought restore a deck kit. After using the cleaner, I applied the brightener. Two days later I saw the deck had what looked like white powder that seeped into the wood. I rinsed and brushed the wood to no avail. Is it alright to go ahead with 1500 cedar stain?
How long after applying stain should it be before the next rain?

Tammany Flats
Tammany Flats
We are installing new “Roasted Poplar” (Google it) on our porch floor and steps in NE Pennsylvania. Porch floor is under roof, with open sides. Steps are not covered and get about 4 hours of sun. We want to preserve the grain and rich brown color, hence something clear or transparent seems appropriate. 1. What protective/preservative product(s) do you recommend? 2. Should we apply the product to all 4 sides & cut ends prior to installation, as we have intended? If not, how long should we wait? We really want to coat it ASAP so we can avoid major cleaning… Read more »
Karriej
Karriej

I built 2 covered decks approx. 8 months ago. I ordered the TWP 1520 and the Gemini cleaner/brightener kit. Is 8 months enough time for weathering since both decks are covered or should I wait at least a full year? thank You

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Randy VH
Randy VH

One more question, what kind of window do I have between cleaning and staining ? Thanks again.

Jim Weber
Jim Weber

Great site, thanks. Live in the Pacific NW (WA State) so lots of winter rains. Slacked on maintaining my deck (“outdoor wood”, hem-fir) so have cleaned and sanded it and am excited to get it stained. Do I have to wait until it “weathers” as now that it is sanded – it is down to raw wood. There has been good sun so the wood is yellowing a bit. Also, TWP 100 or 1500?

Don O\'Connor
Don O\'Connor

New decking installed is redwood con heart s-dry. Do I have to wait 4 months to stain with TWP 1530 Natural stain?

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fred dahms jr
fred dahms jr

Hello,
We just received a load of redwood siding for a rainscreen application. Should we stain before installing (all sides?), or wait 4-6 months before using TWP 101? The boards are smooth.

Best,
fritz

Mike
Mike
I installed a new PT deck beginning of June, so it’s been 2 months. In reading, through some comments here, it seems there are two paths to treating: 1. Wait at least 2 more months and use TWP 1500. I’m in Virginia and the weather temps can vary. This would put me into October. Would this still be too early apply? Should i wait til spring? Any worries about the deck until then? Most of our bad weather here is ice. 2. I saw a response that for New Wood, use TWP 100. What’s the difference between the two? I… Read more »
Ellyn
Ellyn

Just to be sure – my deck is less than 1 week old made of KDAT pine. Can we just sweep and hose it off or do we really need the Gemini kit this first time? It is really pristine and beautiful.

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Sue
Sue

Hello. We are installing a new PT main deck and pool deck in MD. I know that you recommend waiting at least 4 months before staining with TWP 1500, but I’ve also read that it’s best to stain prior to snow. If we wait the full 4 months, we will be in winter. What should we do?

Donna
Donna

I have a deck in CT., part of it under grape vines, the other exposed. Put the pt deck in august 2016, applied TWP 1530 natural in May, 2017. The deck portion exposed is black, while the deck under the grape vines looks great. Help?

Beverly L Pitts
Beverly L Pitts

I bought new clear heart 2×4 redwood to use for rail caps screwed to a 2″ powder coated flat steel rail. To get rid of the mill glazing I used 80 then 180 grit sandpaper. The redwood looks good and is dry. Will your 100 series TWP penetrate well in your opinion?

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Roy L McGhee
Roy L McGhee

I applied TWP clear on a cedar picket fence. I didn’t realize the clear doesn’t provide UV protection. Can I apply TWP Cedartone 101 over the clear?

Lowry H.
Lowry H.
Hello. I live in the Piedmont area of North Carolina, about 20 miles north of Raleigh. I rebuilt my deck with lumber similar to the original treated lumber, using 5/4 pine decking boards. Some of the deck boards were stored in my garage for about a year, the remainder I got in June 2017. The deck boards have been installed since first week of July 2017. The boards have shrunk some, and show signs of cupping a little bit. I sanded the paint stenciling off the wood, and have been researching stain. I would like to see the wood grain,… Read more »
ron nugent
ron nugent

I’m in rainy Oregon. Stained a 2×6 cedar deck with TWP100 in 2014. Held up well. This week I cleaned with RAD, hand scrubbing, and Pres Washer. Most of stain on rain-exposed boards went away with the mold so I belt sanded with 100 grit so it’s not overly “smooth”. Looks good and there’s no saw dust. Am I supposed to rinse again with Step 2 or may I apply fresh coat of TWP100 over freshly sanded boards?

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Bill Crowell
Bill Crowell

Will sanding new wood improve penetration of the stain? We inherited a fir deck and are replacing a number of boards and turning others over.

Matt
Matt
I just finished the prep of a new wood deck that has ‘seasoned’ for the past 12 months. It is SYP and Cedar. I used Deck Restore cleaner and followed the directions using a pressure washer at a psi acceptable for wood fibers (1,500 psi). I then followed up with the brightener and rinsed. The deck looks new again but after drying there is a noticeable white film on the floor boards and after closer inspection these appear to be raised wood fibers I suspect were caused by the pressure wash? Should I sand these down before staining or am… Read more »
Phil
Phil

I have a treated lumber deck that’s aged 10 months – wood showing some cracking. I applied step 1 Restore-a-deck, rinsed well (I think) using a pressure washer. Ran out of time/weather so I applied step 2 of RAD the next AM after an overnight thunderstorm ( about 1/2″ rain). After rinsing w/ the pressure washer again, some boards are turning green. Now what?
Thanks,
Phil

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Randy
Randy

I have a 15 year old deck that I have sanded to bare wood. I also need to replace 4 deck boards. How to a proceed with staining and which color gives the most natural cedar appearance ?

Donald G Cortez
Donald G Cortez

After building the deck just hoses off my wife likes the socalles wet look trying to keep that

Donald G Cortez
Donald G Cortez

I have a new ceder deck in upper peninsula of Michigan 3 months old want to keep all wood grain no tint what do you perfer

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Cathy Cannon Jarvis
Cathy Cannon Jarvis

Building a new A-line gable roofed patio, using tongue & groove (pine) on underside of roof w/ painted white beams and posts. Combo of natural and painted wood look. Support horizontal beams are natural rough sawn (Douglas Fir). We want to use TWP1500 on tongue/groove and support beams. Reading application instructions, it sounds like rough sawn can be stained right away but not sure about T&G.
What should be considered when using product on rough sawn vs. T&G?
Re: Color choice, goal is rich medium brown, not too red, what color is recommended?

John
John

My contractor let the new cedar fence dry for only 36 hours, not only was it new “green” or wet wood but it had rained several hours on the wood before he built the fence. The stain looks horrible but the biggest problem is that all of the defects turned dark brown to black in color. Should he put more stain, or strip the stain and start fresh? We would really like to tone down the black spots and have a much more even finish. Thank you!

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Connie
Connie

I live in northern North Dakota and had a pressure treated pine deck built 4 years ago. We have never done anything to it. What do you recommend for our location and what is required before any applications? This is all new to me so any advice is greatly appreciated. Thanks

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Eswakon
Eswakon

I built for 4 Adirondack chairs out of cedar I was going to stain/seal them with TWP 101 before using them. Should I still wait the 4 to 12 months to allow these chairs to weather?

Sue
Sue

We have waited about 10 months to clean & stain new deck/stairs. This year it’s been raining LOTS! How long after cleaning, and then MORE rain probably, should we wait to stain with TWP 1500? Thank you!

Michael
Michael

New deck Pressure treated, weathered for 12 months in michigan. So it’s seen it all. Can I just powerwash, and we want to apply the cape cod grey. So do I need to use the deck brightener if we are putting on a that stain? It’s a semi solid it says.I feel like it’s a waste.

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Bill
Bill

Installed a cedar fence last fall (Fall of ’16) would like to stain with TWP 100. Should I require a cleaner before the stain as this wood is fairly new?

Tim
Tim

Yes,the deck boards have started to turn gray. The pencil marks are all on the ceder posts, that are smooth,not the deck. The balusters are Deckorators brand, they are a textured matt black finish.