Baseboard trim has nothing to do with holding carpeting in place.
Installing base molding for 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.
If adding baseboards after carpet is laid it should be installed at the same height as without carpet.
In addition the tack strip will be under the baseboards.
When you re installing baseboards over vinyl wood or plastic laminate floors the best way to handle gaps between the drywall and the flooring is to shim the gap with narrow blocks of 1 2 in wood.
If you are not intending to install quarter round or base shoe the baseboard should be.
The second method one which many carpet installers recommend is to pre install the baseboards raised above the subfloor anywhere from 3 8 to based upon the thickness of the carpet and padding to be installed be sure to measure.
Determine the type of corner at the opposite end of the wall then cut the necessary inside or outside angle.
Baseboards are often installed before flooring since they must be finished in place with either stain or paint and this is much easier without worrying about staining the hardwood tile or carpet.
1st someday you will be replacing the carpet if you have the baseboards installed on top of the carpet you will have to remove them to pull up the old carpet.
When glue doesn t secure the carpet tack strips installed on the floor near.
The carpet installer can run the tack strip up to the trim then roll excess carpet under the trim.
Fasten the molding with nails.
For most installers this is not a problem and can be done easily.
However consult with your installer to be.
Keep in mind that having the baseboards pre installed may result in scuffing during carpet installation.
When installing baseboards before carpet ask the installer how large of a gap to leave between the floor and the trim e g.
Measure the length of a wall adjacent to the finished wall.
Take it from a 31 year professional installer put down the baseboards first leaving a gap at the bottom for the very best.
The first cut will mirror the corner cut of the molding already installed.