If you have a vinyl floor you may be able to install your flooring directly on top of it.
Down firing sub on concrete floor.
A down firing subwoofer box produces a domino effect if placed inside a room.
Treat the cement floor with a concrete sealant prior to installation if you find that your floor seems damp wet or that it collects moisture.
And since the shaking directly affects the floor the floor starts shaking.
There is no reason to avoid one design or the other.
It is best to lay the flooring plastic side down directly onto the cement floor.
As a result the material for the subfloor will acclimate to the temperature and moisture content of the room.
In simplest terms a good down firing sub can perform equally well to a good front firing sub.
Now it is time to fine tune.
Determine how much flooring and materials will be needed.
Multiply length times width of the room.
One is not inherently better than the other.
Although the sub shouldn t have any problems with hard flooring or hardwood flooring in general depending on the set up in the room the other speakers etc it s possible that there is just too much reflection in all directions which can cause the subwoofer s channel to overpower the rest or to be under powered and lost.
Learn how to install beautiful hardwood floors over a concrete slab.
Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system.
Remove any carpet or other flooring.
The domino effect starts because of the shaking of the subwoofer box.
That will depend on what type of music you listen to if you don t like what you see move the sub to a mid wall location and repeat the sweep.
Add about 10 to that number to account for any possible mistakes and warped boards.
If the result is more to your liking then you are on to something.