If the floor slopes up it will cause a hollow space underneath.
Laminate flooring sliding glass door.
This bottom part can make it easy or hard depending on the shape of it.
There are different types of frames around sliding glass doors.
Laminates are easy to clean have a very durable finish very water resistant and easy to install even near door openings or sliding glass doors.
The bottom part of the frame on the floor is where the transition will meet.
Installing laminate transitions at sliding doors or any door opening that is lengthy can vary from one to another.
Laminate flooring has become a very popular flooring option in the last 20 years and there are many styles and options available.
When installing laminate at sliding glass doors you want the floor to be level with the rest of the room.
Make use of various t molds that are available for your laminate here.
If it slopes down your transition will not sit on the floor properly.