If you do not want this trouble you should install quality laminate flooring over your hardwood floor instead of having them refinished.
Install hardwood floor over hardwood floor.
Now the section of flooring will be able to slide under casing.
And of course not all hardwood floors can be refinished.
Newly fastened floors over existing wood floors should be installed opposite example photo right or at a 45 degree angle to the original direction.
Check for flush by placing a straight edge against the tongue of the flooring.
Some types of hardwood flooring also call for a vapor retarder between the hardwood flooring and subfloor.
If your laminate has a built in underlayer you may install it right on top of the hardwood.
Hardwood flooring installation is a big project but you can install solid hardwood floors yourself to save money with this step by step video.
If the new flooring does not have the built in underlayer simply roll out and tape your underlayment to the wood floor and begin installing the laminate.
Check with the flooring manufacturer for recommendations.
Installing engineered hardwood over existing flooring is a great option for people who have hard to remove floors such as glued down hardwood or glued down vinyl.
When installing a floor over your existing floor you will want to choose an engineered wood floor that is at least 1 2 thick and over 4 3 4 wide.
Any structural or cosmetic repairs need to be made before staining and coating and more.
Older homes without modern foundations often settle severely.
Turn the grooved edge of the plank toward the spacers.
Once a doorway is approached the door casing will have to be cut to the thickness of the plank so the plank may slide under it.
Rest the oscillating saw blade on the plank and cut away door casing.
The wood needs to be sanded bare.
This is intended to protect against moisture migrating up through the subfloor notably over crawl spaces after the building is occupied and is not a substitute for ensuring a proper moisture balance between the hardwood and subfloor during installation.
Secure the first row of planks traveling lengthwise along the wall.
Position a waste piece of plank against the door casing.
Laminate flooring can be installed directly over hardwood often with no preparation necessary.