It does fit right over the top beautifully.
Installing baseboard molding over carpet.
If you plan to install baseboard moulding before adding carpet it needs to be installed 1 inch above floor level to allow room for both pad and carpet.
The trimmer is not going to make a special trip back to install the base after carpet is installed.
You can see here how the back of the molding is carved out to fit right over my existing molding.
Then touch up base if need be.
If adding baseboards after carpet is laid it should be installed at the same height as without carpet.
The only thing that is different than any other baseboard installation is the small rise above the base floor.
If the molding is slightly long trim it at angled 1 16 inch increments from the end to fit the wall.
The carpet installer can run the tack strip and carpet right up next to the wall.
These can be reused over and over again so hold onto them.
Carpet installers prefer to cut the carpet a little long and tuck the excess into the gap for a neater job.
Lay them flat on the floor every few feet and then cut the base to fit rest it on the spacers and nail it into place.
Baseboard first set on 3 8 wood lath strips tack less set between 3 8 1 2 inch away padding brought up to tack less and carpet installed and stretched over tack less and tucked under base.
This technique also leaves more of that handsome baseboard showing above the carpet.
I ordered one 8ft.
When the carpet is installed that is more easily tucked into place beneath the trim.
My existing baseboard is really narrow not anywhere near as wide as the sample the manufacturer shows.
If you are not intending to install quarter round or base shoe the baseboard should be installed snugly on top of the carpet.
This is the basic method for baseboard installation for carpet applications.
Piece for this project.
Fit the molding to the wall flush against the carpet.
If you are not intending to install quarter round or base shoe the baseboard should.
Do not push down on the baseboard so that it presses into the carpeting.
Here is a picture to show you how it fits over my baseboard.
Baseboard installed on top of carpet should be installed at approximately the same height with this exception.
However when installing the baseboard later painting and applying caulk can be a more tedious task to avoid mixing it in the carpet.
The idea is that you should.
Nail the baseboard in place with the sticks resting only lightly on the surface of the carpet.
Try adding painters tape over the baseboard for protection.
When installing baseboards after carpet.