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See my post that I just posted and it shares my finish application technique

I can help and I know EXACTLY what you're dealing with. I work in schools full-time. There are probably like 30+ coats of finish on those floors. I'll be honest, I dread doing strips because of the very problem you're having.

Depending on the stripping solution you're using, you're going to have to make it strong. For example, I use a 2:1 ratio. I let the solution dwell for 30 minutes and reapply so it doesn't have a chance to congeal all the way. I then work from 6-12 inches out with a black stripping pad and do that first because it's the path of least resistance.

I then work on the edges. I hate to say it, but you're going to end up doing quite a bit of scraping. With the amount of finish build-up on school floors, it's extremely important to keep the floors wet enough to prevent the congealing.

As we scrape, we use a broom and dust pan to get rid of what we scrape off the floor. We usually have to repeat this process 3 times on one floor. It's time consuming and I know what you're going through, BELIEVE ME!!!

Up your dilution ratio and increase your dwell time, keeping an eye on it throughout, to not let it dry up. Get rid of the scraped finish as soon as you can.
 

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I'm sorry to hear you're going through this. I'm 7 years in working on floors in schools.

From the sounds of it, you're doing all the right things as far as ratio mix and dwell time. I've learned (with floors not properly maintained) to scrape first and then use pads.

Knowing what I know after working on school floors, they probably wouldn't accept my bid if I owned my own company. I know the labor and materials involved and I always assume triple the amount of time at face value.

I just got done doing a hall that was broken into 3 sections. All was as well as could be on the first 2 sections. The last section which was about 75 feet took a day and a half to complete. It took 4 applications of stripping solution to get to the raw floor.

Get the widest and sharpest scraper possible and do that first.
 

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It blows my mind too! My personal problem is, I have a conscience. I can't in good faith, keep wronging the wrong. If I do something, I do it the correct way because I have respect for the next person doing the job and I don't want shit work being attached to my name. Even though I don't own the buildings I work in, I work ON THEM like I own them. That's the right way!!! You're a business owner, I'm sure you can respect that.

It's a lot of work to correct years of doing things incorrectly. 99% of people go- "I don't care, it ain't gonna be me re-doing it in 2 years". Bad mentality!
 
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