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You are here: Home / Videos / How to shoot a fog coat over an existing colored stucco finish

How to shoot a fog coat over an existing colored stucco finish

December 11, 2011 By Stucco Plastering 34 Comments

How to shoot a fog coat over an existing colored stucco finish

Howdy guys and gals, I have had many e-mails asking how to apply a fog coat, so I promised I would show how I do it in this easy to understand step by step video, For you folks who like to do it yourselves.Fog coating is mainly used on say large wall where lots of fellas are spreading color finishes on different levels, many times the scaffold joints will show. (Different suctions on the wall), weather, heat, and especially water play an important part in color uniformity, not to mention many guys simply working and not paying attention to teamwork.
The other time is for a similar purpose, say for example a wall was too wet in certain areas and really dry in others and the person in charge did not mist is uniformly, nor did he understand all the natural effects in play.
(Happens to all plastering fellas a time or two before learning begins))
The main method of application when fog coating is, spray a maximum of two or possible three separate fog coats as this is usually the most a wall can absorb of colored stucco water, or you may get a powdery residue. If you spray one fat coat a powdery residue will often remain also. What’s the big deal about this remaining residue?
You can use you hand to swipe it or the first rain can easily wash it off. These instructions are just the tip of the iceberg as far as knowing how to fog coat. There is still much to know, not mentioned here.
Anybody that wises to learn how to do anything with stucco e-mails me and when the opportunity arises I will do it as for your benefits or explanation purposes. Plus it gives me something to do.

Please also see our web site at http://www.StuccoPlastering.com
Kirk Giordano Plastering Inc.
Thanks for watching and have a great day!
Kirk & Jason Giordano’s DIY plastering network
Plasterers forum, plastering information, plastering methods

How to shoot a fog coat over an existing colored stucco finish

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Filed Under: Videos Tagged With: fog coating, Fog Coating stucco, how to apply a fog coat

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Comments

  1. Kirk Giordano plastering Inc. says

    December 16, 2011 at 6:28 pm

    @johnmtr100
    Hey Guy, work in the Bay Area is still very slow; 4 years of recession has put a hurting on contractors in every field. The fellas who are still working today are the ones who usually are referrals from previous customers. These are the guys, who have developed the habit of going the extra mile, are knowledgeable, fair priced and have a good attitude towards work and life. This is my personal opinion.
    Best wishes, with you plastering business.
    Kirk Giordano plastering

    Reply
  2. rma1209 says

    June 20, 2012 at 3:24 am

    Hi Kirk, If i have a scaffolding joint ,only on one Wall do i have to still Fog Coat the Wholw House?

    Reply
  3. Kirk Giordano plastering Inc. says

    June 20, 2012 at 4:16 am

    Howdy RMA, No. You only have to fog the wall with the scaffold joints. Make certain your tip is new and not one grain of sand is in your tank. One grain will clog the tip and instead of a mist shoot a solid line which will mess up the wall. Fog coating really takes preparation, also. Cover all windows & doors. Lastly a light fog about 3 times verses one thick coat is the best method.
    Best wishes
    Kirk Giordano Plastering

    Reply
  4. nondescriptuser says

    October 29, 2012 at 7:24 pm

    Very interesting, thanks for posting this video!

    Reply
  5. Kirk Giordano plastering Inc. says

    November 12, 2012 at 8:21 am

    Hello and thanks for the bone, Jason and I are always welcome to share the plastering knowledge.
    Have a good evening!
    Kirk Giordano Plastering

    Reply
  6. Kirk Giordano plastering Inc. says

    February 22, 2013 at 5:29 pm

    Howdy Gordo, If their house is paint now use paint to darken. If they have a cementitious maintenance free free color finish than you can darken it a small bit with a fog coat but, it’s preferable to simple apply another color coat directly over the existing finish. Of course there is prep work before this can be done.
    Best wishes, and have a groovy day!
    Kirk Giordano plastering

    Reply
  7. Mel K says

    June 1, 2014 at 9:49 pm

    Hello, my stucco finish appears blotchy after being stucco'd 6 months ago, especially around windows that were previously painted before the stucco. Is this normal? Can it be fixed? Thanks

    Reply
  8. n mc says

    October 22, 2014 at 9:03 am

    Thank you Kirk for taking the time to share your experiences on your videos for all of us do it yourselfers.  I just finished stuccoing a 250 ft cinder block area which turned out  really well but there was some color variances with the final color coat and even going over the area again it still wasn't quite right so your fog technique videos came in handy for a solution  as I didn't want to paint it  and I just wanted to thank you and your son for all your videos.

    Reply
    • Kirk Giordano plastering Inc. says

      October 22, 2014 at 2:14 pm

      Morning N MC, you're welcome,
       have a great day! 

      Kirk & Jason Giordano's DIY plastering network

      Reply
  9. n mc says

    October 23, 2014 at 5:10 pm

    Hi again Kirk. I cannot find any fog coat products here in Spokane Wa. or anywhere in the Pacific Northwest areas unless I order it which would cost a bundle in shipping and since I only would need 1 – 25 lb bag to fog coat a 250 sq. ft area I thought I could maybe just make up a solution of white portland cement  type 1 with hydrated lime type s with the oxide colors I have, to get the job done. My finish coat came out uneven in color and I want it to be more uniform.  Could you please tell me the ratio of the cement to lime so I can make my own mix up? I am having a hard time with finding any information  and just knew you would be the right person to ask.  Thanks in advance.

    Reply
    • Kirk Giordano plastering Inc. says

      October 24, 2014 at 1:32 am

      HI N MC, what you can do is mix a bit of same color coat, water it down and use a few paint strainers to remove ALL the sand, and you're ready to fog coat, with the right color.
       Best wishes,
       Kirk giordano's DIY plastering network

      Reply
    • n mc says

      October 24, 2014 at 2:46 am

      @Kirk & Jason Giordano's DIY plastering and stucco network
      Hi Kirk. I am winging it on this project so I have made a special non premixed color out of two oxide powder colors, so I will be mixing the Portland cement and lime with oxide colors. I did find out from a cement company lab guy today that the regular stucco mix is 21% white Portland cement and 5% lime so I just got the raw ingredients and will make up a large enough batch to spray the entire wall twice, just to be sure. It is the same color as the finish coat but it will be more uniform in color when I'm done hopefully. Thanks for your reply and help in this situation!

      Reply
    • Kirk Giordano plastering Inc. says

      October 24, 2014 at 3:53 pm

      No worries N MC,
       Kirk giordano's DIY plastering network

      Reply
  10. Michael Chtistopherson says

    November 22, 2014 at 7:22 am

    I have had 3 homes fog coated to different colors. It was fast and easy. There was no issues. whole house no scaffold joints. they needed color touch up in a few areas  but look great after 6 years.

    Reply
    • Kirk Giordano plastering Inc. says

      November 22, 2014 at 4:57 pm

      Morning Michael Chtistopherson, thanks for the input,
      I have fog coated at least 30 homes but alway to pretty up  the same color or to remove scaffold joints, there are some folks who do change the color with a fog coating, however not me, I tell folks if you want to change the color, we can pressure wash then apply by hand another top coat over the existing color finish this is permanent.
       As is to remove scaffold joints or to pretty up a color you have to go over the area sometimes up to three times, this in my opinion is the max, any more fog coats will rub off as there in too much pigment saturated on the wall surface which becomes chalky, your hand can actually rub away the color, let alone the issues when  it get rained on.
       I have to guarantee my work for 10 years minimum and then another 10 morally.
       This is my habit, to those folks who do change the color I wish them the best.
       Best wishes,
       Kirk and Jasons DIY plastering network

      Reply
  11. Icy Fountain says

    November 12, 2016 at 6:03 pm

    Love all of your videos as they are professionally done . Just completed a stucco job on my adobe studio here in Albuquerque (1500sq ft.) It turned out great, except the color coat which is two tone. Would you recommend a fog coat to remedy this? I dread having to trowel on a new stucco color coat. Again thanks for the great videos.

    Reply
    • Kirk Giordano plastering Inc. says

      November 13, 2016 at 3:26 am

      Evening Mate, fog coats take many years to learn the do's and don't's properly, if you have scaffold joints or say bleached colors due to wall absorptions you may be able to fog them out,
      but a fog coat can't change a color, unfortunately, if there was a shortcut, I would know of it,
      Cheers,
      Kirk and Jason giordano’s plastering videos

      Reply
  12. Rene Larson says

    February 17, 2017 at 11:49 pm

    I forgot to tell my contractor to maximize the pigment load in my color coat. He just finished today and it is so pale the color doesn't really show.  Should I pay to have him fog coat the same color with maximum tint?  Or trowel another smooth coat of color?  I'm using Portland cement stucco from Western Blended here in Arizona.  Thank you for all your videos.  I watched every single one before I hired my contractor.

    Reply
    • Kirk Giordano plastering Inc. says

      February 18, 2017 at 2:38 am

      Howdy Rene, if your going to change a color it's beat to apply by hand not a fog coat.
      A good idea is to take out at least a week or two to see if perhaps the color applied is not so bad after all,
      Best wishes with your project,
      Kirk giordano plastering on small repairs

      Reply
  13. David Cooper says

    April 17, 2017 at 11:25 pm

    Thank you awesome video..

    Reply
    • Kirk Giordano plastering Inc. says

      April 18, 2017 at 3:11 am

      Howdy David Dude, no worries, happy to be of help,
      live long and plaster
      Giordano’s plastering images and teaching video’s

      Reply
  14. Martin Ferrari says

    March 16, 2018 at 4:12 pm

    I’d like to paint my house. It’s an old stucco house and the patches are being covered as well as the cracks. What type of spray paint would you recommend if fog is not a good idea?

    Reply
    • Kirk Giordano plastering Inc. says

      November 2, 2018 at 7:37 pm

      Greetings Martine, there are too many quality paint companies to list, however, I'm partial to Stucco-flex's Renew, type in the product name and read it benefits as well as warranty.
      Cheers,
      Sound Plastering tips from your favorite stucco geeks

      Reply
  15. Mark Fowler says

    November 2, 2018 at 12:33 am

    Kirk is correct, fog coat is really to even color out on cementitious stucco finish. Sand finish is generally straight strength, skip trowel is 1- 1/4 strength, dash finish is double. It is always a good idea to have color packs to tune the color. It is an art to do it right. I worked my way through college fog coating in the 1970's.

    Reply
    • Kirk Giordano plastering Inc. says

      November 2, 2018 at 7:34 pm

      Greetings Mr. Fowler, nice to get a comment from you. Any folks reading this, Mark Fowler is an editorial director for the magazine walls& ceilings and has written too many articles to list here.
      Mark is currently the executive director of the Stucco Manufacturers Association and can be reached at mark@markfowler.org
      Mark has unlimited knowledge in all aspects of plastering and stucco applications, little wonder he heads major magazine for major professional contractors.
      Take care, my friend.
      Sound Plastering tips from your favorite stucco geeks

      Reply
  16. Jose Trujillo says

    November 18, 2018 at 11:39 pm

    Kirk, I need your help. I have a house and no fog coat around here. Can I use a fine sand acrylic finish and spray it? I know the color will not match because the color will be even but that's my only option.

    Reply
    • Kirk Giordano plastering Inc. says

      November 24, 2018 at 7:28 am

      Good Evening Jose, if it were me, I'd call a plastering yard such as westside building materials or any other plastering yard, bring in a sample and have them order the proper color you will need. It may take a week or possibly two. However, this is the appropriate way, besides you can't spay any type of sand no matter how fine as one tiny grain will cog the tip and shoot the color as a jet stream this not only wastes your time but ruins your day as well.
      It's a beautiful acquired habit to practice patients than to be impatient and frustrated, this suggestion goes with most thing in life.
      Best wishes,
      Sharing stucco secrets and or common sense plastering tips

      Reply
  17. ArchitecturalVideos says

    March 5, 2019 at 8:08 pm

    Awesome work and videos. I live in Phoenix AZ and would like to apply Allegro Cement Coating to my stucco. None of the painters I have talked to seem to want to take on the project. Can you recommend someone like yourself in Arizona?

    Reply
  18. studioj says

    January 24, 2020 at 8:22 pm

    Will a fog coat that is applied to even out noticeable marks left at scaffold line on a smooth stucco finish also ruin the beautiful concrete variation that occurrs in white smooth stucco (Santa barbara finish)? ie does the fog coat make it look more "Painted"? Or will it retain that subtle variation throughout of a smooth stucco finish? Thanks!

    Reply
  19. mikethepainter says

    July 19, 2020 at 5:06 pm

    TRUTH SPOKEN HERE. a plasterer who actually knows fog coat does not last longer than paint. Fog coat in large areas can actually do damage on stucco creating chalk and make it hard for the paint to stick later on.

    Reply
  20. Susan P says

    September 29, 2020 at 4:37 am

    Hi Kirk I saw a beautiful house in southern california after it was stuccoed and I said I want my house like that. I found out that after they applied the brown coat and the finish coat that they will be fog coating my house to get the same look at the property I saw. Are you saying people dont fog coat any more?

    Reply
  21. Susan P says

    September 29, 2020 at 4:46 am

    Kirk is it okay to fog coat after brown coat and finish coat has been applied. I sent you a previous email different question but simuilar.

    Reply
  22. Stephanie Olague says

    November 19, 2020 at 10:09 am

    @kirk We just had our house stuccoed for the first time like a lace finish then color stuccoed (beige brown color) was applied My question is why are some of the walls look lighter than other parts almost like patches around the house . The guy who did the work said it needs to dry it’s been a week and I still see patches in color . Guy says it needs to be fogged now . Why do you think fogging is necessary? Thank you

    Reply
  23. mikethepainter says

    December 5, 2020 at 8:37 pm

    I like what you say…. apartment associations want to fog coat instead of paint……. Go for it. the look on your face says it all…… sales gimmick

    Reply

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