Again use a paint scraper to remove the linoleum glue.
How to get linoleum glue off the floor.
With an adhesive that grows stronger over time linoleum can be extremely difficult to get off of the floor.
The remaining glue can be scraped with a floor scraper or soaked overnight with water and dish soap which helps soften the glue.
A glue gun can burn the wood if you are not careful.
How to remove linoleum glue from a floor with steam.
Pull the linoleum up in strips to reveal the linoleum glue.
Linoleum is a natural product made up of linseed oil limestone pigments and cork.
Neither will damage linoleum but may help soften the glue enough to scrape it off.
I think removing glue from concrete that is often successful begins by boiling a large pot of water.
How you go about getting glue off a hardwood floor varies depending on what type of glue you re removing.
You may have to resort to lacquer thinner or acetone on linoleum for some types of glue and these require more respect.
Unless you are submerging your wood floor i would not worry about the wood warping.
The top is a layer of flooring material that should come off fairly easily and the bottom is a paper backing with adhesive.
Stripping up old linoleum flooring is tedious at the best of times but when globs and swaths of adhesive are left behind on your floor.
The heat from the water will soften many types of adhesives enough so that they easily peel off with a hand scraper.
Whether you ve removed old linoleum carpet or another flooring that was glued down over natural hardwood removing the remaining layer of adhesive is a first step toward resurrecting the hardwood to a presentable degree.
Simply use a wet rag to sufficiently coat the adhesive and wait the 10 minutes and scrape off.
If water doesn t work try mineral spirits or paint thinner.
To fully remove linoleum you ll need to tackle both of its layers.
Several attempts may be necessary to get all the glue off as it is persistent.
If difficult try a heat gun to soften it and then pull it off.