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  1. #1
    Member Honorary Professor Grime Busters, LLC's Avatar
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    Removing Parking Space Striping

    Looking for suggestions / feedback from you guys regarding the best method to remove existing parking space painted lines.

    The lines are done on sealed concrete, the stripe ares was either sandblasted or etched so the original strip would adhere. There is now probably 4 more coats of paint on top on the original bonded stripe. I a biodegradable solvent, Taginator, Turbo nozzle and plenty of heat. With the solvent and the Taginator it worked well on each individual layer of paint after a 10-15 minute dwell time. But with 5+ coats to remove, looking for a faster, more effective solution.

    The etched bonding area will always be left behind, and the GM isn't too concerned with that fact; more concerned that the existing striping be completely gone.

    Thanks in advance for your help and suggestions.

  • #2
    10,000 psi will do it, however most people do not have 10,000 psi. Sounds like you are doing everything possible with your equipment. Try to rent a beed plaster. It is a ride on machine. They leave a 4 inch blaster stripe. This will do it for sure. ( I would not Sand Blast it. Sand Blasting is not a good choice)

  • #3
    Moderator 11000 PLUS POSTER Christopher's Avatar
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    I agree, sandblasting will do the job but will take a while and leave a huge mess of the blast media that will have to be swept or vacuumed up.

    Very strong paint strippers will do the job along with pressure washing but the chem residue, smell and time needed to do the job will have to be added into the price.

    I have done some of those and have been looking for another way but there are only so many ways to remove the stripes.

    I would not recommend too much pressure because the contractors here, well let's just say that the quality and strength vary a lot and that is on just one site by the same company so you never know and you never just assume that it is strong concrete.

    Are they changing the layout?

    There is the scarifier but that will leave gouges in the concrete and I have yet to see an operator that can control it good so there is very little scarring to the concrete. That will remove the lines in one pass, is faster than most methods but will scar the concrete bad.

    Do a search on Smith scarifiers or other brands and take a look at the results and print a picture and show the PM to see if he would be happy with the results. What you see in the pictures is in a perfect world, with an operator that has a lot of experience and is quality that will take you years to achieve so let them know that the scars will be deeper and permanent.





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  • #4
    Member Honorary Professor Grime Busters, LLC's Avatar
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    Thanks for the suggestions. Yes, they are needing to change the layout, relocating the handicap parking spaces.

    Not sure sandblasting or a scarifier is the answer, since the customer isn't pleased with the look of the etched area that the original striping company made for the original coat of paint to adhere. The remaining concrete is smooth sealed, so no matter what the solution is there will be the shadowing left behind from the original etching.

    Maybe I'll try a thick, paint stripper, apply with a 4" roller, let dwell for ???

    Thanks for the replies so far.


    Quote Originally Posted by Christopher View Post
    I agree, sandblasting will do the job but will take a while and leave a huge mess of the blast media that will have to be swept or vacuumed up.

    Very strong paint strippers will do the job along with pressure washing but the chem residue, smell and time needed to do the job will have to be added into the price.

    I have done some of those and have been looking for another way but there are only so many ways to remove the stripes.

    I would not recommend too much pressure because the contractors here, well let's just say that the quality and strength vary a lot and that is on just one site by the same company so you never know and you never just assume that it is strong concrete.

    Are they changing the layout?

    There is the scarifier but that will leave gouges in the concrete and I have yet to see an operator that can control it good so there is very little scarring to the concrete. That will remove the lines in one pass, is faster than most methods but will scar the concrete bad.

    Do a search on Smith scarifiers or other brands and take a look at the results and print a picture and show the PM to see if he would be happy with the results. What you see in the pictures is in a perfect world, with an operator that has a lot of experience and is quality that will take you years to achieve so let them know that the scars will be deeper and permanent.





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  • #5
    Member Honorary Professor Lightning Gene's Avatar
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    Quote Originally Posted by Steele View Post
    Thanks for the suggestions. Yes, they are needing to change the layout, relocating the handicap parking spaces.

    Not sure sandblasting or a scarifier is the answer, since the customer isn't pleased with the look of the etched area that the original striping company made for the original coat of paint to adhere. The remaining concrete is smooth sealed, so no matter what the solution is there will be the shadowing left behind from the original etching.

    Maybe I'll try a thick, paint stripper, apply with a 4" roller, let dwell for ???

    Thanks for the replies so far.
    Go to Lowes and get JASCO paint stripper let dwell about 15-20 minutes and hit it with Hot water 3000 psi or better......25.00 a gallon but works....apply with brush

  • #6
    Moderator 11000 PLUS POSTER Christopher's Avatar
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    I have not tried the Jasco but the airplane or aviation stripper works but usually needs a few coats.

    Coat, dwell around 10-15 minutes then use pressure washer to remove, repeat as needed.

    You might take a leaf blower to dry the area between coats of stripper.

    Charge accordingly, you will be there a while. Figure around an hour per few stripes minimum and cost for your time, chems, fuel, etc...

    Glad this is on concrete and not on Asphalt.

    Hope this helps.





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  • #7
    Workin North of 60 Associate Professor Dave Olson's Avatar
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    We removed paint from several hundred feet of curb that had many coats.

    Hot (180-200) degree water, 8-10 gpm, 3000 psi. When done you can sweep up the paint and dispose of it properly.

    Dave Olson
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  • #8
    If none of these suggestions work, Beed Blast it. Rent the machine for $500 a night. It vacuums up the debris as you go.

    It is a 1 man job. It is clean and there is no EPA issues.

  • #9
    Member 2000 PLUS POSTER tomtucson's Avatar
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    Jasco Is the best brand I've found for graffitti and paint - meaning it's the nastiest also.

    What about renting a hot box and boosting the water temp to super-hot?

    Are you talking about wet sandblasting with the sprayer? I believe that would do it, possibly pick an engineered media.
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  • #10
    Member 7000 PLUS POSTER Scott Stone's Avatar
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    Are you using a 3000 PSI machine with hot water?
    I had excellent results recently when removing lot stripes. I sprayed on taginator, and let it dwell. I used a standard 25 degree tip. I tried a turbo nozzle without very good results. Call me if you need some more ideas.
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  • #11
    Member Honorary Professor Grime Busters, LLC's Avatar
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    I'm using a 3500psi, 6gpm machine at about 200 degrees, tried a Turbo after the 15 degree didn't faze it. Took 4 to 5 dwell times to get 99% removed with Taginator.

    What makes this job different is that the original striping contractor etched the sealed concrete, which has the initial base coat, and subsequent coats adhering like epoxy.

    I want to try Jasco product, but I'm waiting for the GM to get back to me with his approval.

    Thanks for the suggestions


    Quote Originally Posted by Scott Stone View Post
    Are you using a 3000 PSI machine with hot water?
    I had excellent results recently when removing lot stripes. I sprayed on taginator, and let it dwell. I used a standard 25 degree tip. I tried a turbo nozzle without very good results. Call me if you need some more ideas.

  • #12
    Moderator Honorary Professor Ashley Phillips's Avatar
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    Sodium Hydroxide but it's gotta be HOT
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  • #13
    Moderator 11000 PLUS POSTER Christopher's Avatar
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    Let us know how it turns out, take some pics.





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  • #14
    Exterior Restoration Specialist 21000 PLUS POSTER Ron Musgraves's Avatar
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    Quote Originally Posted by Steele View Post
    I'm using a 3500psi, 6gpm machine at about 200 degrees, tried a Turbo after the 15 degree didn't faze it. Took 4 to 5 dwell times to get 99% removed with Taginator.

    What makes this job different is that the original striping contractor etched the sealed concrete, which has the initial base coat, and subsequent coats adhering like epoxy.

    I want to try Jasco product, but I'm waiting for the GM to get back to me with his approval.

    Thanks for the suggestions
    http://s65.photobucket.com/flash/pla...ooney/Barnetts Home Middle Pictures Inc/20081201122957.flv">


    Nice vid Jim
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  • #15
    Exterior Restoration Specialist 21000 PLUS POSTER Ron Musgraves's Avatar
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    Soda Blasting is great, also rent a Cyclone
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  • #16
    Exterior Restoration Specialist 21000 PLUS POSTER Ron Musgraves's Avatar
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    Quote Originally Posted by Ron Musgraves View Post
    Soda Blasting is great, also rent a Cyclone
    Still the Same answer
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  • #17
    Member Junior Undergraduate midatlanticpower's Avatar
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    Dads Stripper from Sherwin Williams. We work with a few striping contractors in the area and between relocating lines and there guys putting them in the wrong areas. This works well. Its about $135 for a 5 gallon bucket. Apply with a big stain brush.

    Rob Hardesty
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  • #18
    Exterior Restoration Specialist 21000 PLUS POSTER Ron Musgraves's Avatar
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    Removing Stripes
    with a pressure washer
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