There are a lot of things you can use on a sliding glass door. WD-40 is one of them. It will do a couple or three things: break up caked dirt and mud (to some degree), ``blow'' it out of the tracks (if you're using an aerosol or spray dispenser), and, displace moisture.
You'll need gentle, non-abrasive cleaning solutions for the external and internal surfaces of your double-pane sliding glass door. A mixture of mild soap and warm water usually does the trick. A high-quality squeegee and soft, lint-free cloth will help avoid streaks and scratches.
In a spray bottle, combine equal parts warm water with white vinegar. Spray the solution generously on the tracks, covering all the surfaces. Let the cleaning solution sit for a few minutes to break down any buildup. Use a toothbrush to scrub the tracks thoroughly, getting into all the corners and crevices.
TIP: Don't use WD-40 to lubricate sticking windows. This product could gum up the tracks and make the problem worse. TIP: Avoid spraying lubricant directly onto the window. It could create a greasy mess on the frame that's difficult to remove.
Most often, you need a professional to clean up the inside of a double pane window, but you may be able to temporarily clean inside your windows by drilling and pouring in isopropyl alcohol. This is a risky solution though, and it's best to work with professionals if your double-pane window seal fails.
The main culprit behind foggy sliding doors is failed sealing.
Tips to Fix Condensation Between Double Pane Windows
Here are some tips on how to remove haze from double pane windows: Place a dehumidifier near the window to reduce the humidity inside the window. Immediately remove any condensation on the outside surface of the window to reduce haze inside.
If your doors have vinyl tracks, be sure to use a lubricant that's silicone-based and non-stick. A silicone, non-stick lubricant is essential for vinyl tracks so the door slides easily and the lubricant doesn't attract dirt that can cause a clog in the track.
The tracks of your sliding glass door can accumulate dirt and debris over time, which can obstruct the operation of the rollers and make the door difficult to slide. Use a vacuum to suck up any heavy and loose dirt and debris.
The weep holes can be seen from the exterior of the unit, at the bottom of the sill. After the water passes through the sill itself, it drains out through the weep holes.
Use a lubricant
To keep your door from freezing shut, you can use an insulating lubricant or any lubricant with a high freezing point. WD-40, or vaseline is great as they don't freeze easily. The lubrication they provide can make it easier to remove ice from your door frame and tracks.
An effective way to close gaps in your sliding glass door frame is to use weatherstripping tape. This tape is crafted from a sturdy and waterproof material that effectively creates a secure seal around the door frame. Not only is it easy to install, but it is also readily available at various hardware stores.
If your windows are foggy, there are several solutions to try. Replacing the IGU (insulated glazing unit) is an excellent option to avoid replacing the whole window. You could also use a defogging spray or shaving cream to reduce the fogging. However, replacing your windows is the best way to fix the problem.
Use a hair dryer or heat gun on the window panes from the outside. This will help to absorb any excess moisture that has been trapped between the two glass layers of your double pane windows and reduce condensation build-up.
Double-pane windows utilise two panes of glass that are constructed with an airtight seal between them. This seal is designed to lock the air in so that it can act as an insulator. When this seal is damaged, which can happen over time, condensation and dirt may seep in.
Place baking soda over the entire window track and don't forget to add it to the nooks and crannies since this is where a lot of the dirt collects. Mix together dish soap, vinegar, and water in a spray bottle. Add the solution over the current baking soda to mix it. The window tracks should be completely covered.
Use warm soapy water and a damp cloth to clean tough spots, and the door handles. Be careful when cleaning the inside of the handles. You may even decide to remove the patio door's glass to really clean every part of the door. Polish all of the metal door hardware when done.
Using a homemade solution of half vinegar and half water, or a premade cleaning solution, wipe down both the track and bottom of the door with a soft cloth to remove any buildup or grime. Clean the rollers on the bottom of the door using the same method.