7 layers of flooring and possible mold

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JasonNewHouse
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7 layers of flooring and possible mold

Post by JasonNewHouse » Sat Apr 06, 2019 11:54 pm

Have been taking up the flooring in the kitchen for the past few days. It started off with (1) ceramic tile, then it was the (2) cement under. Then it was a (3) vinyl floor. Then there was flooring layers (4) - (7) which included more vinyl and other types of flooring that I have no idea what to calm. Oh yeah, and plenty of mold. I’ve attached some pictures to help out. The area where the stove and fridge were seemed to be the worst. Tomorrow I plan to rent a heavy duty floor scraper to finish the job, but I have no idea how to tackle the mold once I get all the way down to the subfloor, any suggestions?
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A. Spruce
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Re: 7 layers of flooring and possible mold

Post by A. Spruce » Sun Apr 07, 2019 12:12 am

If it is mold, get yourself a vapor respirator to do the demo work, you don't want to be breathing that stuff!

A flooring power stripper isn't going to be of much help because you don't have a cement floor. I'm going to assume that you've already pulled all the tile and cement backer and are now left with vinyl/wood layers.

First, this was a 1927 house, correct? A house of this age (anything older than 1978) is certain to have asbestos in it, that includes those layers of flooring. This isn't the end of the world, most of the time it is benign, and ultimately, it is up to you on how you deal with it. It wouldn't be a bad idea to have the flooring tested.

Assuming you want to continue doing the work yourself and assuming there is benign asbestos present, then you want to minimize how much dust you make. You can rip it up with a demolition bar. You can also score it with a circular saw in to smaller pieces to make removal a bit easier. Set the saw to the same depth as the thickness of all the layers being removed and use a carbide blade.

You will need eye, ear, and respirator protection in addition to gloves and long sleeves. The blade you use will be a write off when you're done. I actually keep my old blades that are too dull for normal tasks specifically for cutting up floors.
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JasonNewHouse
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Re: 7 layers of flooring and possible mold

Post by JasonNewHouse » Sun Apr 07, 2019 7:02 am

I have all of my safety equipment and I will continue to demo the floor with a crowbar and all muscle since it looks like there isn’t an easier way. Was really hoping the floor scrapper machine would work. I’ve never used a saw before so I’m scared I will cut into the subfloor. As you can see from one of the pics I decided to take this last layer of flooring up all at once and it turned out to be about 3 layers in one.

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Shannon
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Re: 7 layers of flooring and possible mold

Post by Shannon » Sun Apr 07, 2019 7:50 am

What is under all the flooring once you get to the bottom? likely some type of wood strip floor like hardwood or fir ? Is that it in the third picture? I think so. It is likely installed over something else like a Ship lap diagonal board sub floor? Can you tell?
Is this a slab on grade home or is there a basement or crawlspace under this floor?
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JasonNewHouse
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Re: 7 layers of flooring and possible mold

Post by JasonNewHouse » Sun Apr 07, 2019 9:51 am

Yes, the third pics shows the wood subfloor that I’m trying to get to but it doesn’t look like it’s running diagonal to me, I believe this is the same subfloor that runs in the hallway and bedrooms, I will take additional pics. Yes, there’s a crawl space.

JasonNewHouse
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Re: 7 layers of flooring and possible mold

Post by JasonNewHouse » Mon Apr 08, 2019 2:31 am

More pics,

In the first pic, my foot fell through the left corner of the floor. I’m assuming water damage.
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A. Spruce
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Re: 7 layers of flooring and possible mold

Post by A. Spruce » Mon Apr 08, 2019 3:09 am

Definitely some rot going on there. Dealing with rot at walls like that, particularly outside walls, can be difficult because the subfloor runs under the walls.

The good news is that rot occurs with moisture, so if the moisture issues have been resolved, the rot will go dormant. You still need to replace any compromised materials, but you don't necessarily have to dig it out from under walls, particularly perimeter walls, unless it is structurally compromising.
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Shannon
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Re: 7 layers of flooring and possible mold

Post by Shannon » Mon Apr 08, 2019 7:30 am

Well not that you have a hole you can see if this wood floor is the only layer or if there is another layer under it? I there is another layer under it you could cut the top wood layer into 2foot strips and remove it with the layers of old vinyl/lino flooring. Then just cover the last layer up with new plywood like the other room you are doing.
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JasonNewHouse
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Re: 7 layers of flooring and possible mold

Post by JasonNewHouse » Mon Apr 08, 2019 10:41 am

Hello Shannon,

In the second pic (kitchen), this wood floor is the last layer.

In the first pic (laundry), there is a hole where you can see the dirt from the ground (the pic is dark because I took it last night around 12:00 am) I haven't yet removed all of the flooring on the right side of that room, however when you get down too it, both of these rooms have the same subfloor with different but multiple layers of flooring.

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Shannon
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Re: 7 layers of flooring and possible mold

Post by Shannon » Mon Apr 08, 2019 12:01 pm

Jason is this the same house as you where working on from your other post where you had diagonal boards on floor that where in bad shape?
Also what type of floor do you plan on using here in the laundry and kitchen areas?
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JasonNewHouse
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Re: 7 layers of flooring and possible mold

Post by JasonNewHouse » Mon Apr 08, 2019 12:15 pm

Same house, different type of subfloor. I plan an using LVP throught the entire house.

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Shannon
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Re: 7 layers of flooring and possible mold

Post by Shannon » Mon Apr 08, 2019 12:27 pm

Ok so once you get these two rooms down to the wood floor and replace the rotted areas you will be adding a layer of plywood over them to try and get all the floors you are using LVP on up to the same plane for nice transition from room to room.
FYI just incase you thought that black surface on the finale layer of wood floor was mould...it is not. That is the adhesive used to stick the old Linoleum flooring down also that will most certainly have asbestos in it.
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greg1
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Re: 7 layers of flooring and possible mold

Post by greg1 » Mon Apr 15, 2019 2:24 pm

I just removed old vinyl tile in my place. Some spots were hard to remove and had similar black surface. I used a belt sander to remove many high spots and dust was everywhere. I never thought of asbestos exposure while doing it! :o

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A. Spruce
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Re: 7 layers of flooring and possible mold

Post by A. Spruce » Mon Apr 15, 2019 3:09 pm

greg1 wrote:
Mon Apr 15, 2019 2:24 pm
I just removed old vinyl tile in my place. Some spots were hard to remove and had similar black surface. I used a belt sander to remove many high spots and dust was everywhere. I never thought of asbestos exposure while doing it! :o
It is something you have to be very aware of in pre-1978 homes (US banned date). Regardless of the presence of asbestos, you should always wear a good quality dust mask or respirator in a dusty environment.
If the women don't find you handsome, they should at least find you handy.

greg1
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Re: 7 layers of flooring and possible mold

Post by greg1 » Mon Apr 15, 2019 3:14 pm

Yes, unfortunately I personally always learn everything the hard way. Hopefully others will be more mindful and do their research prior to the project.

markbrown
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Re: 7 layers of flooring and possible mold

Post by markbrown » Tue May 07, 2019 5:18 am

how did this happen

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