Since your floor is a floating floor it needs ample room to expand and contract.
Should caulk along baseboard along the floor.
If applying to caulk to the bottoms of the baseboards run painter s tape along the flooring parallel to the baseboards about 1 8 inch away.
Press it just hard enough to smoothen it into the line.
This will protect the flooring from the excess caulk that will inevitably squeeze out after application.
The caulk is used on the top of the baseboards to give an exquisite look.
After caulking the bathroom wet your finger and run it along the bead of caulking to remove any extra caulk.
Caulk only between the quater round and the baseboard.
Caulking baseboards entails applying a sealant along the edges of the floor to seal the gaps between the floor and baseboard or the spaces wall and the baseboard.
If it bothers you then run shoe mold along the bottom of the baseboard i agree i like caulking between the top of the baseboard and the wall if there is a space between the floor and the baseboard then the floor was not perfectly level which is very often the case and caulking will not help.
Remove the masking tape along the area caulked.
Here is how to caulk trim and baseboards.
You may wipe the excess caulk on your finger with a wet rag.
After you are content with the caulking job and while the caulk is still wet.
When setting the tape hold the roll flat up against the baseboard as a guide in positioning the tape first photo above.
The object is to set the tape at the exact vertical position where the baseboard would make contact with the floor.
With time gaps start developing between the floor and baseboards and caulking keep them in control.
My tips for caulking bottom of baseboards.
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Let the caulk dry for up to 24 hours before using the floor or painting the floor.
There are two significant reasons for caulking baseboards.
The caulk is applied on the top of the baseboards where the baseboard leaves a gap or the wall creates a gap.