You will have to make sure your joists can handle the addition of considerably more weight from the plywood subfloor and any floor coverings.
Lwvwlng a floor with plywood over exising hardwood.
I would recommend removing the tile and adding a plywood underlayment to the existing main subfloor to obtain the desired height then install the sheet vinyl.
A level subfloor will help your flooring last longer and keep the finish attractive.
I understand that i should install a plywood layer over the original lay in order to enable the planks to be installed lengthwise.
Thoroughly vacuum the existing floor and use a long floor leveler and tape measure to ensure the subfloor is level within 3 16 inch for every 10 feet.
If you have very high or low spots foundation or structural problems or termite damage.
When installing laminate vinyl tile or hardwood flooring it s important to know how to level a floor.
How to level a subfloor for a hardwood floor install.
On the top side of the floor another fix it idea to lay down new hardwood over the existing floor.
Nail down or floating floors may be installed over existing vinyl as long as it s no more than two layers thick.
A plywood subfloor will bridge any minor waves in the existing floor and leveling compound would help too.
When inflexible flooring is installed over a substrate that dips or heaves various things.
Particle board underlayment.
The process of fixing both an out of level and an out of plane floor is simply known as leveling a floor.
Sheet vinyl can be installed over an old hardwood floor but a layer of 1 4 inch or thicker underlayment has to be installed over the old hardwood flooring first.
Hardwood floor installers often use the term level when referring to subfloors when actually they are meaning the term flat.
Thanks for the info.
I have a second story floor that was carpet over plywood subfloor.
Leveling floors can be a diy project or left to professionals.
Once the compound reaches a creamy consistency pour a thin layer into the sunken sections then smooth out inconsistencies with a hand trowel.