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Technical Any of you had Lizardskin Crack?

Discussion in 'The Hokey Ass Message Board' started by tlmartin84, Sep 25, 2021.

  1. tlmartin84
    Joined: Jul 28, 2011
    Posts: 883

    tlmartin84
    Member
    from WV

    Okay, so I sprayed two coats of sound deadener today.

    The first coat had some areas that shrunk and are cracked. Some of it covered with the second coat.

    It was about 65 here a little sun and a breeze. After I sprayed it I rolled it back into my shop which is 70.

    It was placed over 2 coats of epoxy, that was sprayed yesterday.

    I kept a mil gauge with me the entire time. Neither coat had any thickness over 28 mils and most of the time it read 16-22.

    Any ideas? Is it okay?

    20210925_163551.jpg 20210925_163551.jpg 20210925_163626.jpg 20210925_163643.jpg 20210925_163731.jpg
     
    Deuces likes this.
  2. Looks to me like your 2nd coat cured before your first was dry. But as a sound deadening, i wouldn't worry about it.
     
  3. Special Ed
    Joined: Nov 1, 2007
    Posts: 6,977

    Special Ed
    Member

    Sage advice ... ;)
     
    BJR likes this.
  4. mrspeedyt
    Joined: Sep 26, 2009
    Posts: 711

    mrspeedyt
    Member

    looks like a nice texture to me. crinckle finish.
     
    stillrunners and Deuces like this.

  5. Fortunateson
    Joined: Apr 30, 2012
    Posts: 4,268

    Fortunateson
    Member

    What about giving it one more coat presuming everything is dried/cured completely?
     
    Lloyd's paint & glass and Deuces like this.
  6. DDDenny
    Joined: Feb 6, 2015
    Posts: 15,323

    DDDenny
    Member
    from oregon

    No, but I've been known to have "plumbers crack" now and then!
    Sorry, I'm no help, maybe @Bandit Billy can help.
     
  7. tlmartin84
    Joined: Jul 28, 2011
    Posts: 883

    tlmartin84
    Member
    from WV

    The cracking was in the first coat before the second was applied.
     
  8. tlmartin84
    Joined: Jul 28, 2011
    Posts: 883

    tlmartin84
    Member
    from WV

    It's gotten worse since the second coat has now dried....

    20210925_180815.jpg 20210925_180857.jpg
     
  9. My guess you didn't let your epoxy cure for long enough and it is reacting with the lizard skin. You should wait a minimum of 24hrs before putting anything over epoxy unless the epoxy specifically states otherwise and if it was sprayed on metal that was cool even longer.
     
  10. Guy Patterson
    Joined: Nov 27, 2020
    Posts: 255

    Guy Patterson

    Yup, epoxy was not cured so now it is causing the cracks. Wait until it has cured an do one more coat of lizard skin
     
    gimpyshotrods likes this.
  11. tlmartin84
    Joined: Jul 28, 2011
    Posts: 883

    tlmartin84
    Member
    from WV

    It was 24 hours...

    The epoxy manufacturer says it was good to go after 45 minute's...
     
  12. tlmartin84
    Joined: Jul 28, 2011
    Posts: 883

    tlmartin84
    Member
    from WV

    You guys are exactly correct.... peeled up some at a crack and the epoxy is still kind of gooey in those areas.

    Think it'll be fine or do I need to scrape it off?
     
  13. harpo1313
    Joined: Jan 4, 2008
    Posts: 2,301

    harpo1313
    Member
    from wareham,ma

    Time is your friend, I would give it a month then a third heavy coat.
     
    Muttley likes this.
  14. tlmartin84
    Joined: Jul 28, 2011
    Posts: 883

    tlmartin84
    Member
    from WV

    It makes sense, because everywhere it is cracking is where I couldn't get a nice even coat on because you cant get the gun in there.....under dash, cab corners, cowls etc.

    Those were the areas you just have to point and shoot...
     
  15. "Good to go in 45 mins" and "I left if for 24 hrs" sounds odd. Is there a full can/container of catalyst still on your bench :)
     
  16. tlmartin84
    Joined: Jul 28, 2011
    Posts: 883

    tlmartin84
    Member
    from WV

    Man I wish I had a month....Ill be on the phone with the epoxy folks monday morning...
     
  17. tlmartin84
    Joined: Jul 28, 2011
    Posts: 883

    tlmartin84
    Member
    from WV

    Man I followed the spec sheet to a T on both products.

    Its a 1:1 ratio...pretty hard to eff up...
     
  18. Is the epoxy or the hardener ancient?
     
    Just Gary likes this.
  19. tlmartin84
    Joined: Jul 28, 2011
    Posts: 883

    tlmartin84
    Member
    from WV

    Both brand new...I need to check dates on them. I guess it's possible that they sit on a shelf before they were shipped.
     
  20. tlmartin84
    Joined: Jul 28, 2011
    Posts: 883

    tlmartin84
    Member
    from WV

    I'm really thinking I just laid it down to thick...I just hope it will cure after it was sealed with the Lizardskin.

    Im glad I learned it now before I did the floor, and raptor liner.
     
  21. Beanscoot
    Joined: May 14, 2008
    Posts: 2,110

    Beanscoot
    Member

    I've never had Lizardskin crack, I guess I've lived a sheltered life.
     
    Hnstray and Special Ed like this.
  22. kabinenroller
    Joined: Jan 26, 2012
    Posts: 705

    kabinenroller
    Member

    We used both Lizard Skin products on the floors, firewall, etc. of the Comet on both the underside and interior side, it was applied over ecoating and did not crack or split anywhere.
    As some others have mentioned give it some time and shoot another thin coat over the cracks.
     
    WB69 likes this.
  23. tlmartin84
    Joined: Jul 28, 2011
    Posts: 883

    tlmartin84
    Member
    from WV

    It's growing....

    I peeled a piece of and there is a thin layer of soft gooey stuff. I think it is the top layer of epoxy.

    20210926_163718.jpg
     
  24. gimpyshotrods
    Joined: May 20, 2009
    Posts: 18,663

    gimpyshotrods
    ALLIANCE MEMBER

    Check it again next weekend.
     
  25. 6sally6
    Joined: Feb 16, 2014
    Posts: 1,681

    6sally6
    Member

    Give it a couple more days and then spray over it with black bed liner spray.
    Won't anybody know but-chew!
    6sally6
     
  26. anthony myrick
    Joined: Sep 4, 2009
    Posts: 8,622

    anthony myrick
    Member

    Here’s what happens. Epoxy cures really slow. You said you waited 24hrs and that’s usually enough.
    If the epoxy isn’t cured, applying some products over it will trap the solvents trying to evaporate. These solvents then attack the epoxy. Causes it to get gooey.
    If it was a topcoat, you would have to remove the epoxy. But inside like that I’d wait it out and see how it does.
     
  27. tlmartin84
    Joined: Jul 28, 2011
    Posts: 883

    tlmartin84
    Member
    from WV

    Why is it shrinking back like that?
     
  28. anthony myrick
    Joined: Sep 4, 2009
    Posts: 8,622

    anthony myrick
    Member

    If the solvents attack the epoxy and soften it the hardened topcoat will crack as it cures
    the topcoats surface tension draws or moves around on the softened undercoat

    It’s also a way to create a fake patina. Spray something that dries fast over something that dries slow.
    I have had this happen when spraying polyester primer over epoxy too soon. It cracks along the body lines first. You can dig into it and the epoxy is soft.
     
    Last edited: Sep 26, 2021
    Lloyd's paint & glass likes this.
  29. tlmartin84
    Joined: Jul 28, 2011
    Posts: 883

    tlmartin84
    Member
    from WV

    Talked to the epoxy manufacturer and he said the same thing.

    Advised me to go ahead and touch up the cracks today. So far so good. Im going to spray two coats of ceramic as well. They should be completely sealed and hidden.

    He also said it would cure under water....it just takes longer and not to worry about it.

    20210927_171042.jpg 20210927_171054.jpg
     
    57 Fargo and anthony myrick like this.

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