Aim to clean your glass windows and doors thoroughly on the inside as well as outside every few weeks or at least once a month.
How to clean glass doors and windows.
Buff the glass with a car polisher and mild abrasive.
Promptly rinse with clean water sponging while rinsing may be helpful.
Do not allow cleaning solution to puddle or dry on the glass or frame sash surfaces.
Apply a mild abrasive such as soft scrub bar keepers friend or bon ami to a soft rag and scrub.
Use a dry cloth to wipe off any dust at the top of the frame.
Wipe dry with a lint free dry cloth.
Remove shower doors and lay them flat.
Use a clean rag and dip it in water then clean the surface with this alone.
Wipe the frame around the glass and edges of the sliding door using a damp cloth.
Wipe them with a soft dry cloth.
Clean the glass the glass is the major part of the patio doors that will need cleaning and you will want to clean it on the inside and outside.
Rinse thoroughly with clean water then use a rubber squeegee or a soft microfiber cloth to dry the glass to prevent water spots.
Wipe down the entire frame with a damp cloth.
Window manufacturers recommend abrasive cleaners for the toughest glass stains.
Use a rough damp cloth or scouring pad to clean the door frame bottom and threshold which are likely to be ingrained with dirt due to frequent traffic.
Once the glass surface is thoroughly clean take a close look at the edges of the panes.
Wipe it dry using a clean cloth or a paper towel and this will help to remove any dirt before you wash it properly.
To remove marks you can even use a damp cloth but not anything that is dripping with water.
Clean with your choice of soap or vinegar solution and sponge or soft brush with uniform pressure horizontally then vertically.