Yes it works over a wood deck. Don't know about dirt. For dirt surfaces I use sod.
Yes, if the area with gravel is not unevenly spread out there should not be any issues when placing these grass carpets over gravel.
Since this item is mostly meant for outdoor themes, it would fit quite well with the outdoor patio!
Not sure about this, as I installed under a covered patio. It has had a little water sprayed on it from time to time and doesn’t seem to feel wet a little later.
It would look good depending on how much area you would like to cover.
Not with this collection. I would google your search. You should be able to find other sources.
I purchased it from the Home Depot website, but it was delivered straight from the manufacturer.
The rug measure 16 in. x 48 in. ( W x L ).
Do not have to worry about mold, and have Not had any mold complaints
The water would penetrate the carpet, but it says it can be used for both indoor and outdoor use.