Hi, we need to self level our old kitchen floor, it's currently out of level by around 15mm. It's been scraped and used a grinder to get glue residue off it. However there is still bitumen residue which we've scraped as much as possible. From Googling it seems that ardex arditex NA is the only solution to self level over bitumen residue? Is there any primers you can use instead to seal it then self level with another brand? Ardex costs alot for the depth we need to level! Thanks
