Does this do a good job on layers of old paint? Also on poly over stain?
1472356
I know from personal experience that it will remove multiple coats of old paint. I haven't tried it on poly over stain, but I can't see why it wouldn't be equally effective. Presumably, softwoods with a deep penetrating stain might be more problematic.
1472357
I did not use the sander on old paint nor poly over stain. I used in on a bedroom floor (poly on oak wood). My sense is that with the right sandpaper, it would very easily go through the paint as well as the poly/stain. The sander is definitely built for construction/remodeling use and not the average hobbyist. It's got plenty of power to do the job.
1472358
This will sand, remove anything your looking to remove. I bought it for a deck project. It removed 1/4" from treated "(wet)" boards with very little effort. The only thing I would caution you with, is it is an animal! Not for light sanding work.
1355793
Yes, it appears to have a polyurethane stain. You need to go to a paint store and ask for a product that would strip that undercoat and then you should be able to stain it.
1552
It works great especially for the newer paints. To test it after buying it, I sprayed epoxy primer (1.8mm tip), base color (1.5mm tip), and urethane clear (1.3mm tip). The gun performed flawlessly. I would suggest you keep a cheap gun for the primer and use this for color/clear, so you don't have cross-contamination from the primer. I use a Husky HVLP (about $50) that works great. I would buy this gun again. I use it on classic Corvettes....
1524832
Yes, I love this stuff and have applied it to several table tops. I usually pour it right on the table surface and hand rub it with an old t shirt. Coats go on quick and thin but they also dry quick. After 20 minutes or so it is ready for another coat. Also, if the wood you tested on was not smooth or maybe not stained yet (bare wood) it may absorb faster or soak into the pores more than on a stained piece. This finish is nice for when you have the color you want and don't want it to change after you apply the finish coat. Polyurethane is bad about changing the color after application. This will leave a nice sheen finish with minimal color change. Like I said each coat is thin, but I honesty prefer this method compared to thick coats. After two coats hand sand the surface very lightly with a high grit (320 -400) to smooth it out. After this the next few coats go on very nicely.
682514
My best guess is yes. If the paint is older it may take longer than is breaks up latex paint. I used it on wood painted50 years ago and at least 4 paint layers. It took the first two off fast. I reapplied it and it seemed to take 2-3x longer but it worked. If you use it i'd recommend a plastic brush vs metal as to not scratch up the metal. On wood i scraped it to bare wood.
1184157
I would use it over any paint or stain. You may want to check the directions on the paint since it may already have wood sealant and protection, but an extra coat of Thompsons would probably add some additional protection. Make sure the paint is completely dry before using the Thompsons.
1125516
I used it to treat the porous grout on my ceramic tile floor and it helped with old smells. Don't know if it will completely take out a stain, but if you are worried about smell, it will really help.
706611
You should be able to use it over paint provided the painted surface is smooth without chips or cracks. If it is not smooth, the stain will look different on places where it touched wood vs. places where it touched paint. Depending on the color of the paint it might impact the color of the stain too. It won't show up very well on black paint, for example. Honestly, i would just use paint over paint but you can always do a small patch of the door to test.
634281
We're using it on wood doorframe that one of our cats destroyed. I'm probably not the right person to ask because most of the white paint was scratched off prior to my applying. I did, however repaint and put tape over that without issue.
979810
This is a very powerful stripper so it will probably remove most paints. Be careful because it may also damage the surface under the paint.
721624
I used it successfully with water based stain. I have not used it with paint.
166674
It works great removing paint. It peels the paint. Very Strong. Try something else, if is not paint what you are trying to remove...maybe a degreaser...
320203
We used it on a door over stain and it worked superbly. I would check with the manufacturer about using it over paint.
676878
Yes! It seems to work well on all cotton and polyester material. It'll get those stains out mostly, might want to use a little bleach to get the deep stains out.
261698
The short answer is...no...it will indeed remove the paint but it is not a substitute for scrapingIf I were to do the barn my first "tool" would be a power washer, used with care it does a fine job of removing 90% of that old paintand you can check the for hire at the box stores and get some one to do it for you!
398825
Yes, I would use it on the painted surfaces, but check it on a small concealed plastic area for plastics. Some plastics hold up to it but you lower grade pv may not. WD40 works wonders it removers a lot of glues and adhesives. Greased lightning works great also. http://www.walmart.com/ip/Greased-Lightning-Orange-Blast-Super-Strength-Cleaner-Degreaser-32-fl-oz/23598549
487775
It works really well, and unlike some of the alkaline enviromental strippers (like Peel Away 7) it won't darken the wood. If the paint is many coats accumulated over decades, it may require a second application to get it all.