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
    staceysearcy · 03/31/2017
    buying a cedar house that was last stained using the 100 series. Should I use the same color and series?
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    TWP Stains · 03/29/2017
    Dave Faeth:
    I'm re-decking with new kiln-dried 5/4 x 6 western red cedar and want to use oil-based semi-transparent cedartone - which TWP do I use? In Michigan and VOCs are ok

    The TWP 100 Series. Wait a month after install to stain. Prep first with the Gemini Restore Kit.
  • We will reply to your comment shortly
    Dave Faeth · 03/29/2017
    I'm re-decking with new kiln-dried 5/4 x 6 western red cedar and want to use oil-based semi-transparent cedartone - which TWP do I use? In Michigan and VOCs are ok
  • We will reply to your comment shortly
    TWP Stains · 03/09/2017
    Drew Harvey:
    I have ~ 1000 sq ft of decking that I stripped and coated last year with TWP 1500 Redwood stain. The deck was a mix of old and new wood. Looks good but I want to now put down an additional coat. Do I need cleaner? Is 5 gal adequate?

    Lightly clean to remove any dirt first. The coverage will be about 150-200 sq. feet for the maintenance coat. About 5-7 gallons.
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    Drew Harvey · 03/08/2017
    I have ~ 1000 sq ft of decking that I stripped and coated last year with TWP 1500 Redwood stain. The deck was a mix of old and new wood. Looks good but I want to now put down an additional coat. Do I need cleaner? Is 5 gal adequate?
  • We will reply to your comment shortly
    TWP Stains · 03/03/2017
    Glenn J Mancini:
    I have 210 square feet of cedar siding. Please recommend your best semi transparent stain.

    Where do you live?
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    Glenn J Mancini · 03/03/2017
    I have 210 square feet of cedar siding. Please recommend your best semi transparent stain.
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    TWP Stains · 02/15/2017
    Richard Allee:
    I need to redeck a pontoon boat , your product was suggested by some one who has done so, it will be new 3/4 plywood , any suggestion on which stain to use and which plywood would be best ? marine grade is very expensive at 131 dollar a sheet , so was wanting to use something less so.

    Use the TWP 1500 Series. Sorry, but we are not experts on types of plywood for pontoon boats. The marine grade sounds like it would be the best wy to go.
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    Richard Allee · 02/15/2017
    I need to redeck a pontoon boat , your product was suggested by some one who has done so, it will be new 3/4 plywood , any suggestion on which stain to use and which plywood would be best ? marine grade is very expensive at 131 dollar a sheet , so was wanting to use something less so.
  • We will reply to your comment shortly
    TWP Stains · 01/23/2017
    Ron Sitka:
    I have a large deck that was treated with Thompson's Water Seal about a year ago. Can I go over that with TWP 1500 now? What prep?

    You will need to remove the Thompsons first using this:

    https://www.twpstain.com/restore-a-deck-stripper-brightener-kit-detail
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    Ron Sitka · 01/23/2017
    I have a large deck that was treated with Thompson's Water Seal about a year ago. Can I go over that with TWP 1500 now? What prep?
  • We will reply to your comment shortly
    TWP Stains · 10/25/2016
    Steve Butler:
    I'm staining a new pressure treated pine deck in San Antonio, TX. It will have a roof over it. 598 sq ft according to your site's calculator. The calculator says estimates for "refinishing." Do new decks require more or less stain than older decks.

    Please see this about new decks:

    http://www.twpstainhelp.com/prepping-new-wood-for-twp-stains/
  • We will reply to your comment shortly
    Steve Butler · 10/25/2016
    I'm staining a new pressure treated pine deck in San Antonio, TX. It will have a roof over it. 598 sq ft according to your site's calculator. The calculator says estimates for "refinishing." Do new decks require more or less stain than older decks.
  • We will reply to your comment shortly
    TWP Stains · 10/24/2016
    Gary Nabors:
    I'm staining a new cedar fence for a customer. The customer has researched and selected your product. The fence was built approx. 4 months ago. There is no noticable graying, but we will still start with the Restore-A-Deck, as directed for new wood. There is staining below the nail heads (not rust stains, the nails are plated, I assume is is from the vinyl coating on the nails). Will the Restore-A-Deck take care of this, or will I need to try bleaching this stain out?

    Thank you,
    Gary

    Hard to say. If it is black, then it is rust and the brightener will help to remove.
  • We will reply to your comment shortly
    Gary Nabors · 10/23/2016
    I'm staining a new cedar fence for a customer. The customer has researched and selected your product. The fence was built approx. 4 months ago. There is no noticable graying, but we will still start with the Restore-A-Deck, as directed for new wood. There is staining below the nail heads (not rust stains, the nails are plated, I assume is is from the vinyl coating on the nails). Will the Restore-A-Deck take care of this, or will I need to try bleaching this stain out?

    Thank you,
    Gary
  • We will reply to your comment shortly
    TWP Stains · 10/15/2016
    Sharron Mckeever:
    I live in Ontario Canada and am considering using a high quality oil deck stain and waterproofer. Can KWP be purchased here? Can I buy it in a store or does it have to be ordered?

    TWP is not legal to be used or sold in Canada.
  • We will reply to your comment shortly
    Sharron Mckeever · 10/14/2016
    I live in Ontario Canada and am considering using a high quality oil deck stain and waterproofer. Can KWP be purchased here? Can I buy it in a store or does it have to be ordered?
  • We will reply to your comment shortly
    TWP Stains · 10/03/2016
    EJ:
    I am looking for a sample of the 1511 to use on my fence, help

    http://www.twpstain.com/stain-samples
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    EJ · 10/03/2016
    I am looking for a sample of the 1511 to use on my fence, help
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    TWP Stains · 09/30/2016
    Luis Cantu:
    I have a 400 sqft deck no stairs and the railing has metal balusters so no need to stain them.

    The deck was installed at the beginning of April and i want to stain it before the winter is here

    This is on the second floor and I want to stain both the upper and lower part of the deck as well as the posts.

    Can you let me know which products and quantities should i buy for this job?

    thks

    Luis

    If you are doing upper and lowers you will need to double the sq. footage and then add on extra for the framing and posts. Total sq. footage could be in the 900-1000 sq. foot range. Prep first with the Gemini Restore Kit and you will need about 6-7 gallons for the one coat. Use the TWP 100 or 1500 Series depending on what your state allows.