Depending on how much mold build up there is you can choose to hand wash it or use a pressure washer.
White mold under siding.
Mildew is a surface mold that grows in warm damp places like basements laundry rooms and shady porches.
In order to remove mold from siding all you need to do is perform a thorough cleaning.
For example cracks or tears in the butt joints are the perfect entryway for all types of fungi along with critters looking for a warm place to stay.
In the past he had used oil based wood stain products but found the mold and mildew returning within a few years each time.
External mold is just as serious as mold inside the home.
Although there are plenty of products on the market for cleaning vinyl siding you likely have all you need right at home.
You can read a detailed guide on cleaning siding in this.
The most common type of mold found in homes is mildew.
However if you have wood siding with mold on it it might get damaged and have to be replaced.
Vinyl siding stain diagnosis.
Distinguishing the type of stain found on siding is useful in deciding on the cause and thus the cure or prevention of staining.
Mold removal usually requires some scrubbing and the best tool to use is a stiff bristle natural fiber scrub brush avoid metal fiber brushes they can damage the siding.
Dirt from rain splash up algae lichens mold moss or even smoke or chemical stains have different causes and different preventative measures.
Mildew begins as a gray or white powdery colony and eventually turns black or brown.
If necessary sand the wood.
How mold gets under siding.
Window headers are another area where water and mold spores can enter your siding.
A while ago i noticed mold all over my shoes belts bags and other items in my cedar lined closets in the garage and later some bubbling under the paint as well as crystalline areas growing in the basement so i went nuts and attacked with mold mildew killer bleach ammonia vinegar lemon tea tree oil baking soda and likely many other things.
Whether your vinyl siding is plagued by mildew moss algae or it s just plain dirty cleaning it is a must in maintaining the appearance of your house.
This article discusses common causes of stains or discoloration found on vinyl building siding.
Staining the restored cedar siding.
External mold can do significant damage to exterior surfaces over time eating away at wood stucco and other materials.
The mold may appear to be removed from the surface but it ll likely continue to grow underneath and return within a few months.
These cleaning solutions should take care of your mold problem but if you ve got some stubborn traces left under the surface you have one last resort.
Now the cleaned and brightened cedar wood siding is ready to stain.
There are a number of ways mold spores along with moisture can seep under your siding.