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albajojo

Professional Asbestos Abatement contractor left mastic & tiles

6 years ago

A licensed abatement contractor left tiles and sticky mastic all over our basement. It’s like wet, smelly road tar down there a week after the work was done. The 2-3 man crew did the work over 2 days and were here for approximately 3-4 hours each day, thus 8 hours max. They say I agreed to let them leave it but my general contractor was on the phone when I told everyone to “stay the course, scope stays the same, price stays the same.” We had 2 bids, both were $3700, which is a ton for the square footage but we knew the heated floor and leveling agent added a good deal of work plus had stair treads removed. Please tell me if you have experience or advice with an abatement situation like this. We have not paid the contractor that left this result and have contracted with another one who was disgusted by this and promised to properly abate and remove everything. We had 2 bids, both were $3700, which is a ton for the square footage but we knew that removing the heated floor added a good deal of work. I don’t know if I should pay the first contractor for part of the work when I’ve got to pay another one to finish it, am now over 3 weeks behind on renovation plus added cost of window AC since we cannot run the furnace. Plus, it’s impossible walk down there without your shoes sticking to the floor. I wore plastic bags over mine to take these photos and it seemed through the bags. I can’t imagine asking another (non-abatement) contractor to work in this environment. I will paste contractor’s email and my after photos below. Thanks for advice for dealing with contractor #1 and Happy Memorial Day! : I received S’s Air monitoring results yesterday( all was good).There will be a copy in you paperwork sent out today with bill. I have deducted $1,000 dollars from quote to provide for the cost of not doing the main area of mastic. S noted that there was still tile- like flooring left and right side of basement fireplace and furnace.That is not tile, that is the by -product of the mastic (cutback) and roofing felt that the put down in the 40s to get an even floor on unfinished concrete. As we talked about those two things with the weight of the additional layered flooring and floor heating system on top caused those two petroleum based products to fuse together then slightly harden. (It is a bit more prominent there because of added heat from fireplace and furnace). When your contractor is done with jack hammering and installing drain in the area we chiseled and chemically removed, have him use Ardex brand Floor Leveler to get a nice finish that will cover the patching and mastic. I would only use the Ardex Brand instead of a cheaper brand. It works best ive seen it finished in hospitals and schools and it looks great and holds up over the years. Ardex is approx $55 a bag and you will need about 12-15 bags so that refund should cover it and some of the labor? I will be gone for the holiday weekend but you can send email if you have any question ill be back in Pgh Tues. Thank you and have a safe and happy holiday , X

Comments (14)

  • 6 years ago

    I'm confused by your post. It runs on and I cannot tell exactly what you are asking.

  • PRO
    6 years ago

    Paragraphs are your friend.

  • 6 years ago

    After the remaining bits of tile and mastic are topped by a leveling material, any remaining asbestos is safely entrapped and poses no danger.

  • PRO
    6 years ago

    Did they leave the actual asbestos tile or this is just the outline on mastic from the tile that was removed?

    If they left the asbestos tile they should return and remove remaining since that was the scope of the work, if this just the outline, they don't usually remove the leftover residue from the glue because as worthy pointed out it poses no danger.

  • 6 years ago

    Thanks for the observations. There are some pieces of tiles remaining in addition to the outlines. Question: is it normal for the remaining mastic to be extremely sticky? I’m concerned that a leveling agent won’t adhere properly.

  • PRO
    6 years ago

    How old is the house? The older types of mastic were called black mastic because they used asphalt based cement and they added asbestos to it, if that's the case they should have removed that also, they have special chemicals and you need good ventilation when using them.

    As being sticky, I never ran across this material, so I wouldn't know if it remains sticky or not after the tile is removed...

    I vaguely remember a little bit about it because when I was taking the building inspectors course ages back I did some reading on it, but that's about it, I'm sure you can find some updated information online, try to google "black mastic" and see what comes up.

    Good luck

    Alba Jo thanked GN Builders L.L.C
  • 6 years ago

    I’m concerned that a leveling agent won’t adhere properly.


    Check with the manufacturer that the leveling product you use is compatible with the mastic. Mapei levelers, for instance, are not compatible.

    "Do not install MAPEI products over vinyl asbestos tile (VAT) or any flooring, adhesive, substrate or substance that may contain asbestos. For removal instructions, refer to the RFCI’s Recommended Work Practices. Follow all local, state/provincial and federal regulations as well as industry standards when removing asbestos-based materials."

  • 6 years ago

    Thanks for the feedback! I House was built in 1941. Black stuff is definitely original cutback or black mastic. Another contractor is coming to finish the job tomorrow and I'll have him explain a bit more about what it is. I don't know anything about Asbestos and am worried about how much the first contractor left being hazardous now and in future renovations or plumbing work.

  • 6 years ago

    PS: does anyone know how to edit an original post? I did it on my phone and see the errors that some commenters pointed out and that it could be much easier to read. This is my first post on Houzz and I really appreciate the help!

  • 6 years ago

    Ugh, so now I’m concerned about my family’s health, how to finish the renovation with asbestos, the weird chemical smell coming from the basement AND being seen as a rambler with poor writing skills. Maybe I should of consulted a therapist instead of Houzz! 😂

  • PRO
    6 years ago

    The abatement company was supposed to remove all the waste material. They do not look professional. Strange dealing with the waste material was not in the contract. Though you should not be worried about asbestos this material is not like asbestos waste material.

  • last month

    I realize this is an old post, so you may never see this, Alba Jo, but we are dealing with a similar nightmare, and I was curious if you ever got the odor resolved. we also had a ”pro” leave mastic behind. They told us they were unable to remove it all. we had to hire someone else to finish the job, which they did easily in a few hours. but by the time the other company came, the chemical slurry soaked deep into the slab and our framing and put the toxic gases into the air throughout ohr house. it has been 6 months, and we are still unable to live in the house. when the smell was at it’s height, you could smell it from the road. anyway, the first company did try to help remedy the odor for a while after they saw it did remove easily. then they got tired of that, and moved on, leaving us with a torn up mess of a house. they had removed a lot, trying to get the odor out! so curious if your issue got resolved, and how!!!!

  • last month

    @Alba Jo trying to tag you so you get alerted and see the above post. just curious if you got your mastic issue and odor resolved. thanks!