Start by putting the baseboard end of the flooring under the first baseboard at an angle.
How to install wood floor under existing baseboard.
Nail threshold or transition strips in place where the edge of the floor is exposed.
I m kind of astounded that your hardwood installer would put the new hardwood right up against the existing baseboards that is a total no no for hardwood installation.
Leave a 1 4 inch or larger gap between the existing baseboard and the new hardwood flooring you are installing.
In my line of work i sometimes have to install baseboard for my customers.
Wood expands and contracts with the seasons and needs an expansion gap around the perimeter so it doesn t cause buckling in the floor during an expansion time of year.
This gap is needed to give the hardwood room to move with changing humidity.
In this video i share tips and tricks that i have learned over the years to create.
Nail it to the baseboard not to the floor or subfloor.
Fill any nail holes and apply any touch up as needed.
Then slide the long edge of the flooring under the other baseboard straightening the flooring piece into place.
Use baseboard nails or brads no longer than 18 inches apart for 3 4 inch thick molding.
When attaching the base shoe quarter round nail the molding into the bottom of the existing baseboard and not into the flooring itself.
Keep the lower edge of the baseboard even with the top of the floor and nail the baseboard into the wall.
Set the quarter round shoe moulding on a piece of paper to keep it just a hair above the floor.