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Old 03-06-2009, 02:20 AM
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Default Rotex for floor refinishing

I recently purchased a Rotex 150 (yesterday) and was wondering if anyone has used it for refinishing wood floors? I have a small area (10x15) which is maple with a worn polyurethane finish that I would like to strip off. I have the CT22 vac and think this will limit the dust pretty well. Any thoughts on the sanding discs I should start with and the progression thru the grits? At what point do I go from rotary mode to RO mode?
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Old 03-06-2009, 03:44 AM
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Default Re: Rotex for floor refinishing

I think that Darrin did this, as well as cleaning paint off a brick wall. I'd probably start with an 80 grit Rubin, but I'd bet that Seth has a better idea!

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Old 03-06-2009, 03:50 AM
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Default Re: Rotex for floor refinishing

I used 320 grit on a travertine floor (marble) to clean up acrylic smears left by an inattentive repair crew, worked great!

Jay
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Old 03-06-2009, 04:52 AM
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Default Re: Rotex for floor refinishing

Quote:
Originally Posted by Poto View Post
I think that Darrin did this, as well as cleaning paint off a brick wall. I'd probably start with an 80 grit Rubin, but I'd bet that Seth has a better idea!

P.S. Welcome! Hope you enjoy it here!
I bet you're right Not sure it is better, but heres what I would do-


Hi twang120, welcome to talkFestool.

For the initial stripping the Cristal is going to be the abrasive type of choice. It has a very sparse grit pattern. The extra space between particles keeps it from clogging up with finish. I think you will want 40, 60 or 80 grit to do the stripping or possibly a combination. You may have to try them to see which does the best job. Once you get the finish stripped you will be able to switch to ROS from full rotory. You will not want to do the smoothing aspect in rotory. Unless you have uneven areas that you want to level off before you sand it smooth.

I don't know what ype of poly is on your floor or how thick, but the RO150 in rotory with a coarse grit of Cristal should take it off with no trouble. You may want to consider the Hard Pad (493915) for the stripping portion. It is more aggresive and will help level off the bumps a bit. Plus it is less suseptable to being sucked down by the vac- which means you can run the vac at a higher power for the stripping part.

Once you get the stripping done I would switch to the standard pad (soft) and go with the Rubin. The first Rubin grit will just depend on what you left off with in the Cristal.

As you go higher in grits and switch to ROS you will want to start turning the vac down more.
If you use the hard pad try starting out with the CT set to about 3/4, or 1/2 with the pad that came with the Rotex (soft). Turn it down a little bit with each grit that you use. Probably not below a 1/4 though. I think you will find that the CT22 will take care of most of the dust.

Keep the sander moving not real fast , but don't try to let grind through the poly in one spot all at once.

Have fun with your new sander. That Rotary mode takes a little getting used to, and the Festool sanders need a little breaking in before they run at there best.


Seth
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Old 03-06-2009, 05:14 PM
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Default Re: Rotex for floor refinishing

Thanks for the tips! I probably would have tried the Rubin first which may not have worked well.
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Old 03-07-2009, 04:38 PM
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Default Re: Rotex for floor refinishing

About 45 days ago, I refinished a 20 yr old Oak Parquet floor with a herringbone pattern.... I basically used some tips from Timmy at Festool Junkie... here's a recap of Timmy's comments:

Do some homework on the finish before you start. Examine it and see exactly what type of shape that it is in. If it is worn, and there is not much finish left, start with an 80 grit Rubin. See if this is going to work for you. Always try and take the least abrasive approach to the sanding. This will help with time, as you won’t have to progress as far. For example, if you start with a say 50 grit, you run the risk of gouching the wood; and then you have to bring it back. As far as what paper to use, I would start down the path with the least intrusive grit. If the 80 Rubin doesn’t do it for you, then go to an 80 Grit Cristal, if not that, you may have to step down to a 60 grit Cristal, to get the finish up, and then go back to the 80 Rubin. Sometime finish gets a little sticky and will clog the Rubin. I would then run the progression after the finish is off by going to a 120 Rubin, if you are staining, this may be a stopping point. Take some mineral spirits and wipe the floor, look for swirls, if no swirls, you will be good to stain the floor. If you are NOT staining, I would continue to a 150 Rubin, this should do the trick. There may be a bit of hand sanding if you see swirls on adjacent wood in the parquet pattern.

Buy yourself a good hand scraper. I realize this sounds like a lot of work, but it will save an immense amount of time in the corners, and on stubborn swirls. So, best advice is to get a scraper, and a good file, and go at it.

The three pad orbital is notorious for swirls. The Pro’s around here use an orbital pad sander that is a rectangle measuring 13 x 18”. It is like an RTS 400 on Steroids.

The Festool did not get under the toe kick area... to sand this I used a Fein Multi-master with DC and a 40-80 grit paper... worked great... love the multi-master. I'm sure the Festool Deltrex DX 93 E would work just as well.

I also used the Rotex for light finishing between coats of the Polyurethane high 200 and low 300 grit paper.

Good luck...

Last edited by RJS1948MA; 04-17-2009 at 04:28 PM. Reason: Additional comment:
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Old 03-12-2009, 01:00 PM
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Default Re: Rotex for floor refinishing

I have done a 200 square foot room with the RO 150 and CT 22.

Think I started with 80 grit Cristal with no issues at all.

Wouldn't want to do a whole house with a Rotex but a room or two is fine. Make sure you invest in some good knee pads if you don't have some already

Dan Clermont


See a good knee pad thread here http://www.talkfestool.com/vb/other-...knee-pads.html

Last edited by SRSemenza; 03-13-2009 at 03:37 PM. Reason: Added link to other thread
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Old 03-13-2009, 03:27 PM
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Default Re: Rotex for floor refinishing

Hi,

I broke out the knee pad posts and started them as a thread all on there own here http://www.talkfestool.com/vb/other-...knee-pads.html Sorry for the "no warning" but by catching it quick the posts were all still grouped in a single block.

It is a good topic all on its own and having it titled as such will make it easier for people to find and contribute to. The link in this post will still make it instantly relatable to refinishing a floor.

Seth
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Old 03-13-2009, 06:21 PM
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Default Re: Rotex for floor refinishing

Quote:
Originally Posted by SRSemenza View Post
Hi,

I broke out the knee pad posts and started them as a thread all on there own here http://www.talkfestool.com/vb/other-...knee-pads.html Sorry for the "no warning" but by catching it quick the posts were all still grouped in a single block.

It is a good topic all on its own and having it titled as such will make it easier for people to find and contribute to. The link in this post will still make it instantly relatable to refinishing a floor.

Seth
Good decision, and thanks for the notice.
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Old 03-13-2009, 06:30 PM
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Default Re: Rotex for floor refinishing

Seth,



Dan.
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