In many cases you can level a floor yourself.
Floor leveling compound that can be nailed through.
As far as i can see none explicitly state that the wood flooring can be nailed down through the levelling compound into the subfloor.
As noted above we re discussing two products one a subset of the other.
Pound nails into the subfloor with a hammer and set screws slightly below the surface of the subfloor with a screwdriver.
Leveling floors can be a diy project or left to professionals.
You can nail through a thin layer of leveling but you may need to select slightly longer thanil than usual to make sure you get a good bite in the wood.
I am installing a wood floor and have some areas of the plywood subfloor that need to be levelled prior to installation of the wood floor i have looked at a number of products such as mapei planipatch.
Clean it well with a wet dry vacuum.
Remove any obstacles from the floor.
Henry floor leveler compound nail through i planned on using henry leveling compound up to 1 2 inch thick over an area about 3 feet wide by 8 feet long.
Some hardwood floors get nailed but ones also called laminate or engineered wood floors often snap together and float on top of the subfloor in which case are not nailed.
Use this guide from the home depot to learn about leveling floors.
This area is a transition are between a great room and a kitchen that will all be covered with the new engineered flooring.
Floor leveling compound types and pros cons.
Unless the product is labeled as self leveling it will need to be worked with tools as outlined above.
Some self levellers can be nailed through others you can t.