Underlayments for hardwood floors provide multiple benefits depending on the material that you choose.
White stuff under floor paper under hardwood floor.
Type of paper under hardwood it s been a while since i subbed out a hardwood flooring job but this one is more than i want to do myself.
If you are installing a traditional hardwood floor you can install foam underlayment between the subfloor and the hardwood to provide noise.
Installation of hardwood flooring using wax paper was common to prevent the slivers from the rough lumber getting caught between the tongue and groove connection of the neighbourhood boards of hardwood flooring.
Plastic foam felt cork and rubber are common choices.
The floor will be standard 3 4 x 2 1 4 inch select white oak.
How to use foam underlayment under a hardwood floor.
As a last point i really don t like using tar paper as a hardwood floor underlayment under any conditions as my personal hangup.
They offer soundproofing insulation a moisture barrier and added comfort while also helping to level out the subfloor.