Try adding painters tape.
Installing baseboard trim over carpet.
Baseboard installed on top of carpet should be installed at approximately the same height with this exception.
The carpet installer can run the tack strip up to the trim then roll excess carpet under the trim.
Nail the baseboard in place with the sticks resting only lightly on the surface of the carpet.
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 is the basic method for baseboard installation for carpet applications.
However consult with your installer to be sure they have no concerns.
Scarf and butt joints.
All you need to so now is go along that wall and fasten the remainder of the trim as you normally would.
They will need to be careful not to damage the baseboard when installing the tack strips.
Do not push down on the baseboard so that it presses into the carpeting.
Steps on how to install baseboard 1.
Once the trim is fastened remove the short baseboard pieces and move these along as you install the baseboard.
Safety tips for installing baseboard.
Drill 1 16 inch holes every 16 inches through the baseboard angled downward toward the wall plate.
Tools and supplies to install baseboards.
When installing baseboards before carpet ask the installer how large of a gap to leave between the floor and the trim e g.
The trimmer is not going to make a special trip back to install the base after carpet is installed.
If you are not intending to install quarter round or base shoe the baseboard should.
Carpet installers prefer to cut the carpet a little long and tuck the excess into the gap for a neater job.
Fit the molding to the wall flush against the carpet.
Start running baseboard against inside corners and work toward outside corners.
Coping an inside corner joint.
Preparing to install baseboards.
A week before installation bring the wood inside to acclimate.
Hammer tack nails through these holes into the wall plate.
Then touch up base if need be.
If the molding is slightly long trim it at angled 1 16 inch increments from the end to fit the wall.
For most installers this is not a problem and can be done easily.
These can be reused over and over again so hold onto them.
This technique also leaves more of that handsome baseboard showing above the carpet.