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GamerGER t1_j6f20p1 wrote

I used an angle grinder with a diamond grinding disk to flatten out an old wall but the concrete parts are tough and take some time.

You could also add a layer of mineral plaster to get a new texture and even out the pattern. Or a combination of both ;)

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Remy4409 OP t1_j6f2czd wrote

Thanks! Not a bad idea, but I should sand everything down anyway to remove the paint first, as it would not allow anything to stick correctly, so a combination of both would be best.

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VerbingNoun3 t1_j6gm0cr wrote

If your going the grinder route have someone lightly pouring water over it the whole time. Dont breathe the dust!

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GamerGER t1_j6f4r54 wrote

Yeah paint removal is probably necessary to get proper bounding of the layers. Maybe there is some kind of primer but that is dependent on the used paint.

For reference I used something the like of this: https://www.amazon.de/PRODIAMANT-Diamant-Schleiftopf-doppelreihig-Diamantschleiftopf-PDX829-025/dp/B00ECWRMRQ/ref=sxin_21_pa_sp_phone_search_thematic_sspa?content-id=amzn1.sym.b3c099a2-7e6a-4a1a-a4ce-a6664d93a79f%3Aamzn1.sym.b3c099a2-7e6a-4a1a-a4ce-a6664d93a79f&crid=31H826ZLPVMNE&cv_ct_cx=scheibe+f%C3%BCr+beton+glatt+schleifen&keywords=scheibe+f%C3%BCr+beton+glatt+schleifen&pd_rd_i=B00ECWRMRQ&pd_rd_r=1f678aa0-59d1-4cff-a672-ab42d2d97de4&pd_rd_w=mqj65&pd_rd_wg=IiuxU&pf_rd_p=b3c099a2-7e6a-4a1a-a4ce-a6664d93a79f&pf_rd_r=7D02EYS1CFND0XQB39S8&qid=1675030594&sprefix=Glatt+scheibe+%2Caps%2C147&sr=1-1-6e6ea531-5af4-4866-af75-1ef299d1c279-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9waG9uZV9zZWFyY2hfdGhlbWF0aWM&psc=1&smid=AHP4NSCWH5R9U

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