To remove dried concrete from vinyl siding, use a concrete dissolver like Speedy-Clean Concrete Dissolver. As of 2014, this dissolver is advertised as a 100 percent biodegradable green cleaner that uses acids to break down the concrete and stop it from sticking to the surface it is on. According to the manufacturer, this product is safe for use on siding.Know More
It may be helpful to wet the concrete, which helps to soften and loosen it from the siding. If water alone doesn't work, try using a spray bottle full of water with a few drops of dish soap to wet the concrete. Then, scrape off the concrete gently with a putty knife. This method is recommended for use on windows, and it should be safe for vinyl siding as well, as long as one scrapes gently.
To prevent concrete from splattering onto other surfaces, cover windows and siding before starting on any project that involves concrete. If the concrete does splatter, try to remove or clean it as quickly as possible before it hardens.
To improve the efficiency of concrete dissolvers, consider adding water to area being addressed. If the concrete is wet throughout the removal process, it makes it easier to work with. However, do not do this if it contradicts the manufacturer's instructions.Learn more about Cleaning
To remove stains from vinyl siding, clean the siding with vinegar or oxygen bleach. Regular cleaning can help prevent new stains from forming. Cleaning the siding may require a weekend, depending on the size of the home and the severity of the stains.Full Answer >
It is possible to paint vinyl siding, but doing so requires some special techniques for preparing the siding, and only paint that is specially designed for use on vinyl siding must be used. The choice of color will also affect the quality of the paint job, as it's important to never use a color that is darker than the original color.Full Answer >
According to FamilyHandyman.com, the best cleaner for vinyl siding is a gentle, general purpose cleaner. The website recommends mixing the cleaner with warm water and applying this mixture to the siding with a soft-bristled brush. Harsh cleaners such as nail polish remover, straight bleach and paint thinner should never be used on vinyl siding because they damage its surface.Full Answer >
While the manufacturer advises that average rainfall is sufficient to keep Alcoa vinyl siding clean, areas under awnings or balconies may need additional attention if the overhang blocks the rain. To deal with everyday dirt from the air, clean the vinyl with water from a moderate pressure hose, and use a soft brush for more stubborn spots.Full Answer >