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@overanalyze's basement (Finally!!)

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  • #647952
    theamcguy
    Pro
    Fayetteville, NC

    The moisture is not water coming through, it is water vapor.

    Which is probably amplified by the room being so well sealed due to the soundproofing. The water vapor can’t escape as it would do in a normal room but accumulates. Have you thought about a dehumidifier?

    Automotive Pro
    Fayetteville, NC
    (and also the World's Fastest Poster)

    #652409

    The problem is the non permeable flooring traps the vapor…it won’t ever reach a dehumidifier.

    Alright…finally time to get this done! I decided on the 2 part epoxy. No matter what system/sealer I chose, because I had glue residue and sealer on the slab, they all required surface prep. Epoxy moisture mitigation is very, very common in the commercial flooring world so I felt confident in that solution for myself.

    I went with EliteCrete because my flooring guy also does epoxy floors with EliteCrete products. He let me rent his equipment for the prep and sold me their epoxy vapor barrier.

    The Edco grinder and vac he has is awesome!! Zero dust…I mean zero! Makes quick work.

    Here is the difference between the trowled floor and ground floor. This gets rid of the surface and provides grip and surface area for the epoxy to bind to.

    Andrew

    A Working Pro since 1995!

    Member since March 26, 2014.

    #652491

    Wow, that’s nice about the zero dust, looks and sounds like he knows what he’s talking about,
    Hopefully this solves the moisture issue,

    #652502
    Doobie
    Moderator

    The Edco grinder and vac he has is awesome!! Zero dust…I mean zero! Makes quick work.

    What size is the grinding cup on that machine Andrew? Turbo or segmented grinding? Looks like a nice powerful motor that makes quick work of that.

    #652535
    theamcguy
    Pro
    Fayetteville, NC

    So the new epoxy even though there will be moisture will not lift?

    Automotive Pro
    Fayetteville, NC
    (and also the World's Fastest Poster)

    #652558

    The Edco grinder and vac he has is awesome!! Zero dust…I mean zero! Makes quick work.

    What size is the grinding cup on that machine Andrew? Turbo or segmented grinding? Looks like a nice powerful motor that makes quick work of that.

    It isn’t a cup or pad. It has 3 “shoes” for lack of a better term. I am using the fine butnis is anything but fine. I would equate it to a 25g…maybe a 50g. I will take a pic of the bottom.

    So the new epoxy even though there will be moisture will not lift?

    That is what it is supposed to do. It should keep the moisture vapor in the slab…where it is always present anyway.

    Andrew

    A Working Pro since 1995!

    Member since March 26, 2014.

    #652578
    Doobie
    Moderator

    The Edco grinder and vac he has is awesome!! Zero dust…I mean zero! Makes quick work.

    What size is the grinding cup on that machine Andrew? Turbo or segmented grinding? Looks like a nice powerful motor that makes quick work of that.

    It isn’t a cup or pad. It has 3 “shoes” for lack of a better term. I am using the fine butnis is anything but fine. I would equate it to a 25g…maybe a 50g. I will take a pic of the bottom.

    Similarly like that three cup concrete surface grinder you have for doing countertops I recall you showing a long time ago, but with a different medium of using cups. Interesting! Yes, a pic of the bottom of that floor sanding unit would be of interest to see Andrew.

    I’ve never heard of that EDCO brand. Does it’s extractor use bags to capture all that stuff? Is it self cleaning like the CT36AC of Bosch vacs are? Or does it work differently. Cool lookin units.

    So the new epoxy even though there will be moisture will not lift?

    .

    That is what it is supposed to do. It should keep the moisture vapor in the slab…where it is always present anyway.

    I’m less worried about that issue now than I was when ypu first proposed it to solve the moisture issue. It seems the fellow who has helped get you set up in doing this is a real specialist in this area.

    #652611
    DirtyWhiteBoy
    Pro
    Honolulu,, Hi.

    Here is the difference between the trowled floor and ground floor. This gets rid of the surface and provides grip and surface area for the epoxy to bind to.

    That looks great for the epoxy to bond to. Will use clear epoxy of put pigment in it??

    Dirty

    A Working Pro since 1988!

    Member since January 26, 2013.

    #652639
    redwood
    Pro

    Sorry to say I haven’t followed this thread for a while Andrew. Were you essentially done prior to the water vapor issue.

    Mark E.

    Pioneer, CA

    Working Pro 1972 - 2015
    Member since Jan 22, 2013
    www.creative-redwood-designs.com

    #652672

    Sorry to say I haven’t followed this thread for a while Andrew. Were you essentially done prior to the water vapor issue.

    That’s ok @redwood I haven’t been around much either. Yes it was almost done. I have the theater room done and had the floor down and was installing trim when I stopped because of the floor issue.

    Here is the difference between the trowled floor and ground floor. This gets rid of the surface and provides grip and surface area for the epoxy to bind to.

    That looks great for the epoxy to bond to. Will use clear epoxy of put pigment in it??

    It will be clear but I am still putting back down the vinyl floor.

    @doobie here is the bottom and the different pads. They are in a dovetail keyway and held in by magnets. The round ones are the finest, the blue is medium, and the orange is course! My flooring guy said the orange will rip up a floor. It is meant more for hard thinset removal.

    Andrew

    A Working Pro since 1995!

    Member since March 26, 2014.

    #652685
    Doobie
    Moderator

    doobie here is the bottom and the different pads. They are in a dovetail keyway and held in by magnets. The round ones are the finest, the blue is medium, and the orange is course! My flooring guy said the orange will rip up a floor. It is meant more for hard thinset removal.

    I have never seen anything like that. I imagine the platten that holds the grit bars or discs spins, right? And the platten is solely held with magnets to the machine? Just a bizarre looking arrangement. Obviously it works great.

    #652730
    DirtyWhiteBoy
    Pro
    Honolulu,, Hi.

    here is the bottom and the different pads. They are in a dovetail keyway and held in by magnets. The round ones are the finest, the blue is medium, and the orange is course! My flooring guy said the orange will rip up a floor. It is meant more for hard thinset removal.

    Did you say this had no dust?? I need to get up a lot thin set from a hardwood floor. What was this called again??

    Dirty

    A Working Pro since 1988!

    Member since January 26, 2013.

    #652797

    Here is a quick video of it in action. It gets within 3/4″ of the wall. I used a cup wheel on my variable speed Flex grinder on the slowest speed to get the edges all the way to the plate. With the vac hose right next to it that was almost dust free as well with the speed down.

    Andrew

    A Working Pro since 1995!

    Member since March 26, 2014.

    #652820
    DirtyWhiteBoy
    Pro
    Honolulu,, Hi.

    Wow that’s a killer setup!! I have a big mess to get off hardwood?? I’ll have to check around.

    Dirty

    A Working Pro since 1988!

    Member since January 26, 2013.

    #652840
    Doobie
    Moderator

    Here is a quick video of it in action. It gets within 3/4″ of the wall. I used a cup wheel on my variable speed Flex grinder on the slowest speed to get the edges all the way to the plate. With the vac hose right next to it that was almost dust free as well with the speed down.

    You read my mind puttin up that video of it in action. Lol!

    That looks so efficient. I’d love to use that tool. I might in fact when I go to do my basement.

    #652855
    theamcguy
    Pro
    Fayetteville, NC

    Here is a quick video of it in action.

    Wow you are right no dust flying around anywhere. Pretty amazing.

    Automotive Pro
    Fayetteville, NC
    (and also the World's Fastest Poster)

    #652907
    Doobie
    Moderator

    Wow that’s a killer setup!! I have a big mess to get off hardwood?? I’ll have to check around.

    Hmmmm….I got a feeling that it is not amenable to using on flooring. What do you think Andrew?

    #653987

    I bet with tye correct pads it would work to remove adhesive but it would make a mess of your subfloor @DirtyWhiteBoy.

    Making some progress again. Everything is ground down. I needed to do the epoxy in 2 sections to maintain access to the laundry room. Here are some pics of the ground concrete, the 1st section with 2 coats, and the 2nd section after I just applied the 1st coat tonight.

    The epoxy has 2 parts and then is thinned with a specific ratio of clean water. The first coat really soaks in. The second is optional but I wanted to make sure I had full coverage so I opted for the 2 coats.

    Andrew

    A Working Pro since 1995!

    Member since March 26, 2014.

    #654012
    theamcguy
    Pro
    Fayetteville, NC

    The second is optional but I wanted to make sure I had full coverage so I opted for the 2 coats.

    Hopefully this will solve the problem and you can get that floor down for good.

    Automotive Pro
    Fayetteville, NC
    (and also the World's Fastest Poster)

    #654041
    Doobie
    Moderator

    Making some progress again. Everything is ground down. I needed to do the epoxy in 2 sections to maintain access to the laundry room. Here are some pics of the ground concrete, the 1st section with 2 coats, and the 2nd section after I just applied the 1st coat tonight.

    With two coats that really seals up by the looks of it. Looks like a fresh factory floor. Do you have to wait for a curing period before you can reinstall the vinyl tiles again? How bad was the stink?

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