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
    TWP Stains · 02/28/2016
    Ralph Brescia:
    For my deck I need a full kit and one 1/4 kit. For color uniformity, will both kits fit in one 5 gallon bucket when fully mixed with all parts? If not how do I mix the two kits together?

    Yes you will be able to mix both in the same bucket.
  • We will reply to your comment shortly
    Ralph Brescia · 02/28/2016
    For my deck I need a full kit and one 1/4 kit. For color uniformity, will both kits fit in one 5 gallon bucket when fully mixed with all parts? If not how do I mix the two kits together?
  • We will reply to your comment shortly
    TWP Stains · 02/22/2016
    RSS:
    I live in Minnesota. Installed a 1,200 sq ft PT pine fence mid last summer. Plan to stain (dark Oak)this spring. What prep should I do? Is TWP 100 allowed in MN? If yes, should I use 100 or 1500 series? I have a Graco airless sprayer. Is that overkill or should I use a pump sprayer? Back brushing recommended? Thanks !

    Prep first with the Gemini Restore Kit. Stain with two light coats of the TWP 100 Series. Lightly spray on the first coat then back brush or paid the second coat. Grace or pump should work.
  • We will reply to your comment shortly
    RSS · 02/22/2016
    I live in Minnesota. Installed a 1,200 sq ft PT pine fence mid last summer. Plan to stain (dark Oak)this spring. What prep should I do? Is TWP 100 allowed in MN? If yes, should I use 100 or 1500 series? I have a Graco airless sprayer. Is that overkill or should I use a pump sprayer? Back brushing recommended? Thanks !
  • We will reply to your comment shortly
    TWP Stains · 02/09/2016
    Brian M:
    Regarding the 5 gallon and the 1 gallon as I need somewhere between 5-7 gallon of stain for my deck. Do you recommend that I mix all of it in some massive container or are the colors (semi-transparent) pretty close when using the single gallon after the 5 gallon?

    It is always best to mix together but in general, the colors will be exactly the same.
  • We will reply to your comment shortly
    Brian M · 02/09/2016
    Regarding the 5 gallon and the 1 gallon as I need somewhere between 5-7 gallon of stain for my deck. Do you recommend that I mix all of it in some massive container or are the colors (semi-transparent) pretty close when using the single gallon after the 5 gallon?
  • We will reply to your comment shortly
    TWP Stains · 01/04/2016
    Phyllis Lazaro:
    Only want stain - don't need stripper or restorer. Can I get just stain? Is there anywhere in Dallas Ft Worth area that I can get this without shipping?

    Of course you can buy just the stain. See here:
    http://www.twpstain.com/twp-100-series
    We are an online dealer.
  • We will reply to your comment shortly
    Phyllis Lazaro · 01/04/2016
    Only want stain - don't need stripper or restorer. Can I get just stain? Is there anywhere in Dallas Ft Worth area that I can get this without shipping?
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    TWP Stains · 11/19/2015
    cecil moore:
    we have a cedar deck with @ 300 sq feet floor/steps + railings seriously neglected no stain or finish left, and has algae and mold. Should we use gemini or stripper. Some sun mostly shade, what type stain? Older kinda lazy homeowners. :-*

    Use the Gemini Restore Kit for prep. You can use either the 100 or 1500 series.
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    cecil moore · 11/18/2015
    we have a cedar deck with @ 300 sq feet floor/steps + railings seriously neglected no stain or finish left, and has algae and mold. Should we use gemini or stripper. Some sun mostly shade, what type stain? Older kinda lazy homeowners. :-*
  • We will reply to your comment shortly
    Shea McColley · 10/23/2015
    I built a 16'x 20' pergola out of untreated pine thinking we were going to paint it white but my wife and I both changed our minds after we finished it. now we want to stain it a dark brown color. what product do you recommend and approx. how much. I'm not sure on square footage because its a pergola. im guessing about 700 square ft because im staining top bottom and edges of all boards used. Im thinking that using untreated was a big mistake now but im stuck with it. and how long can the stain be stored indoor before its now good (it may determine how much I buy)
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    TWP Stains · 10/15/2015
    whomever:
    I used TWP 100 Pecan about three years ago. It is on a deck that receives a lot of sun and we had an outdoor rug as well. It has faded differently from where the rug was etc. Should I use the Stripper or Gemini?

    Use the Restore A Deck Stripper to ensure that it is is prepped evenly and the new stain applies evenly. Make sure that the brightener is used after the stripper to neutralize.
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    whomever · 10/15/2015
    I used TWP 100 Pecan about three years ago. It is on a deck that receives a lot of sun and we had an outdoor rug as well. It has faded differently from where the rug was etc. Should I use the Stripper or Gemini?
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    TWP Stains · 10/08/2015
    You can order samples here: http://www.twpstain.com/stain-samples
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    Jane Potvin · 10/08/2015
    Hi, the stain we received is quite a lot darker than what we have on the house already - can you send samples of colors so we can match up better. It was on your recommendation we went with a TWP 1530 Natural. Thanks sorry wrong email - this is correct
  • We will reply to your comment shortly
    Jane Potvin · 10/08/2015
    Hi, the stain we received is quite a lot darker than what we have on the house already - can you send samples of colors so we can match up better. It was on your recommendation we went with a TWP 1530 Natural. Thanks
  • We will reply to your comment shortly
    TWP Stains · 10/07/2015
    Anna Huisman:
    July 2014 our large deck was cleaned brightened and two coats of TWP 1500 clear was applied. Deck has some mildew and algae but in general still looks pretty good. Can I wait till next early spring or should I redo same procedure this fall(2015). We;re living in North Virginia. If I would go ahead redoing can I only do one coat to seal or do you always need to apply two coats ( wet on wet)? Thank you.

    I would just wait until Spring. Clean and reapply two very light coats.
  • We will reply to your comment shortly
    Anna Huisman · 10/07/2015
    July 2014 our large deck was cleaned brightened and two coats of TWP 1500 clear was applied. Deck has some mildew and algae but in general still looks pretty good. Can I wait till next early spring or should I redo same procedure this fall(2015). We;re living in North Virginia. If I would go ahead redoing can I only do one coat to seal or do you always need to apply two coats ( wet on wet)? Thank you.
  • We will reply to your comment shortly
    TWP Stains · 09/23/2015
    william merchant:
    hello I have just bought 5 gallons of your 1500 series stain and I was wondering the day time temperature is good about 78 to 80 degrees but the night are getting cool, which means that there is due on the deck in the mornings will that effect the stain from curing(drying)should I wait until early summer to stain my deck thank you for the input! William merchant

    It should not affect the stain so go ahead and apply this Fall.
  • We will reply to your comment shortly
    william merchant · 09/23/2015
    hello I have just bought 5 gallons of your 1500 series stain and I was wondering the day time temperature is good about 78 to 80 degrees but the night are getting cool, which means that there is due on the deck in the mornings will that effect the stain from curing(drying)should I wait until early summer to stain my deck thank you for the input! William merchant