Cleaning with a commercial spray isn t the best answer for this as it will tend to leave streaks.
How to clean french door windows.
Try taking a squeegee and running a little dish washing liquid along about half its length.
A how to video to explain how to clean squeegee french cut up windows without wanting to pull your hair out.
Attempt to pull the grille slightly off the glass.
A rag or some newspaper is best for cleaning the windows.
If the grille moves it is removable.
I tried in vane to clean my large windows with windex and various other window cleaning products and rags cloths paper towels nothing worked.
I would encourage you to get microfiber window cleaning mop and cotton rags for your window cleaning and also have a good squeegee you may find out that the soft rubber is easier to clean windows.
Tip the glass door from side to side and turn it over periodically to make sure the alcohol is reaching all parts of the inside of the glass.
If the grille does not move it is glued and is not removable.
Use a second dry microfiber cloth to wipe them completely dry.
Put about half a cup of white vinegar in half a bucket of warm water and use a microfiber cloth to wipe them down.
A good scrub brush or toothbrush and some dish soap will help you quite a bit when it comes to the frame part of the french doors.
Squirt the alcohol through the upper tube to fill the glass void.
Use this on the glass.
There s plenty of glass on exterior french doors and it can become dirty very easily especially in fall or winter.
You will want to clean the frame part first.