I put the advice from my mother. This product is great. She uses it to strip its PVC imitation parquet floors, yes they are beautiful but what a job (that's me says) but in 83 years it does not scare him, and the result is there. It must do one every year pickling. She no longer found on the market, so when I found it on AMAZON, in addition there are two for the price of one, as in the trade they were more expensive, she jumped at the chance. She recommends