This calculator will help you determine the proper amount of stain and prepping supplies needed to refinish your deck using TWP 100 or TWP 1500 Series.

 

This calculator is intended to provide you with an approximate estimate only. Material requirements may vary according to application method, surface condition and weather conditions.

 

You will get two prepping results. You need one, not both options:

  • First will offer the Gemini Restore Kit. This will be used for new, gray, dirty decks and for applying TWP over an intact older coating of TWP.
  • Second is the Restore-A-Deck Stripper and Restore-A-Deck Brightener. This is used for removing old coatings of stain. Use this if you are switching from a different brand to TWP or if you have a neglected coating of TWP that has failed unevenly.

 

If you have questions as to which to use, please ask below.

 

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  • We will reply to your comment shortly
    John joe · 10/02/2022
    Hello, the calculator is saying I need two gallons of stain with the following statement:
    (assuming 2 coats wet on wet. Use 2/3 amount for 1 coat)

    Do I do 2/3 of 2 gallons for the first coat i.e. 1.34 gallons first coat? 
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    Committed Contracting L.L.C. · 09/25/2022
    The customer service on this place is outstanding, I've never had a question I couldn't answer myself with the information provided right on the page itself. The patience shown by the company while answering most of these questions is unprecedented. Good job guys. 
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    Peter Gilvarry · 08/30/2022
    How many gallons of stain (wet on wet) will I need to cover approximately 450 s/f of deck using a brush.  This includes an estimate for bench seating and a 4x6 landing area which I couldn’t input to your calculator. Thanks
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    Brande · 08/30/2022
    How do you know if you need two coats? My deck is at least 11 years old and raw sun bleached pressure treated pine. Is it typical to need two coats? 
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    Catherine Newcomer · 08/27/2022
    Needing to see how much stain we need for 183 linear feet, 5 feet high for the fence picture attached for both sides. 
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      TWP Stains · 08/28/2022
      After seeing pic. Try 10 gallons total.
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    Catherine Newcomer · 08/27/2022
    Our fence is approximately 183 linear feet long, 5 feet tall. It is not a typical fence so we are trying to figure out how much stain to purchase to stain both sides.
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      TWP Stains · 08/28/2022
      15-20 gallons for two coats applied wet on wet.
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    Karen Cash · 08/21/2022
    I have 1200 square feet of deck with new wood. Will I need one or two coats?
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    Jd · 08/14/2022
    How many lineal feet will a 5 gallon bucket do
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      TWP Stains · 08/14/2022
      It is measured in sq. feet not lineal. Coverage can range between 150-250 sq feet per gallon.
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    Fran · 08/03/2022
    My deck is 620 sq ft. I’ve stripped and sanded. Do I use RAD cleaner/ brightener?
    how many Gallons of 1500 do I need? Portland, ore 
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      TWP Stains · 08/03/2022
      Yes, use the Gemini Restore kit. About 5-6 gallons for two coats.
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    Angie · 07/02/2022
    Good morning!  We have a deck that is about 20 years old.  There has never been any kind of stain or protectant used on it and we have power washed it about 3 times over the past 10 years we have lived here.  Do we still need a brightener if we are going to use a semi solid stain?  We are installing a new deck underneath this one and in about 2 years will hope to use the deck revive to have them all match and be more covered.  
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      TWP Stains · 07/02/2022
      You need the Gemini Cleaner and Brightener kit for prep. 
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    Don · 06/13/2022
    For wet on wet application ….how long between applications….using paint brush?
    looking to use 1500 series
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    joe bowman · 06/13/2022
    if i order too much can i return the unopened containers?
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    Debbie · 05/29/2022
    I have 2000 sq feet of decking (includes all steps).  I live on the west side of MI.  My deck has been cleaned and restored by a contractor.  The decks are mostly shaded and a portion on the lower level is never exposed to sunlight.  How much TWP 100 should I get?
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      TWP Stains · 05/29/2022
      Can you post some pics for prep help? About 15-20 gallons of stain for two coats applied wet on wet. 
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    Mickey · 05/25/2022
    Currently have 415 sq ft cedar deck with TWP 100 Rustic Oak. I have cleaned and brightened it. The deck is patchy in some areas ie bare wood/Stain. Can I change color to another in the TWP 100 series - does the choice of colors matter? Am I able to over paint with the new TWP Pro Semi-solid ie charcoal or thunderstorm - does the color matter? Used the calculator to estimate and came up with 5 gallons - would have thought 2/3. Many Thanks Mickey
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    Sammy M · 05/22/2022
    I have rough cut redwood fence and I see that you recommended 2 coats wet on wet. So how do I estimate paint needed for the 2 coats using the calculator?
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      TWP Stains · 05/23/2022
      Length x height for the railing then double results for both sides.
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    Sammy M · 05/22/2022
    You replied to William Garber to enter fence height as railing height in the calculator. I have a fence with open lattice for the top 2 feet (see photo) and solid wood below. What is the correct method to estimate amount of paint needed? Do I just use the total height of the fence as railing in the calculator? Most deck railing are just railings and mostly open. My fence is mostly solid wood boards. Should I not treat the wood surface area like deck surface area?
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      TWP Stains · 05/23/2022
      Length x height for the railing then double results for both sides.
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    Ross R. · 05/17/2022
    Hi there - I just had a new cedar fence put in. Blank canvas. It's about 70 linear feet, 6 ft. height. Looking to use TWP 1500 Series in Natural. Since its about 420 sq feet, your calculator is saying I will need about 10 gallons for two coats on both sides. Does this seem correct? Will I need two coats for a new fence? Pics attached. Thanks!
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    Mission Contracting · 03/13/2022
    I will be washing and staining a fence for a client of mine. Trying to figure out how much stain is sufficient. They previously had it stained using TWP and now want to proceed with a darker TWP color (thinking dark oak). The fence is 300ft long (both sides need done) and 6ft tall.
    Would one coat be sufficient?

    pics of current fence attached
    • We will reply to your comment shortly
      TWP Stains · 03/14/2022
      You have 3600 sq feet and for two coats applied wet on wet, you will need about 25-35 gallons. You will need two coats. 
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    Connie Courtney · 02/22/2022
    How much do I need to stain new Cedar Fence ?
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      TWP Stains · 02/23/2022
      What is the total sq footage of all wood added up for both sides of the fence?