You can scrub the siding s surface as you would for normal maintenance.
Gray wash paint siding.
Then introduce color in small doses such as a glossy red front door to create a focal point that doesn t overwhelm the exterior color scheme.
Mix a small amount of light grey latex paint and water into a plastic cup.
To test whether a stain is grime or mildew try washing the stain away with water and a detergent like spic and span.
Mix a solution of paint and water.
Here a touch of black supplied by the shutters and mailbox against white trim keeps the look crisp and modern.
The consistency of the solution should be something like runny pancake batter.
A brown gray or black stain on siding or trim may be simple grime or it may be mildew.
Allow the paint mixture to set for 3 5 seconds then rub over the white wash paint strokes with a staining rag to smear the paint mixture into the wood.
The best way to get this siding clean is to power wash it.
Use the cloth to apply a small amount of the mineral spirits over the stain and leave to sit for a few minutes use the brush to scrub the stain off the surface until you notice an improvement in the appearance repeat the process as many times as it takes to get the stain off.
Allow it to fully dry.
Apply the white wash to the wood in long strokes with a paint brush.
This will be a light grey wash.
This doesn t require an extraordinary effort.
Use of a low grade highly pigmented paint.
Or you could wash it by hand with tsp or a similar product available at home centers and paint stores and rinse it thoroughly.
If the solution is too thick then add more water until you have a 1 to 1 5 ratio of grey paint to water.
Wash your vinyl siding before painting to ensure the paint adheres properly.
I used a mixture of about 1 part paint to 4 parts water using cil stratosphere the color color matched into sherwin williams paint at the store.
Over thinning a coating e g.
Neutral siding colors like warm gray create a solid foundation.
If the stain doesn t wash away with water and detergent it s probably mildew.
Use of an interior paint for an outdoor application.
As long as the siding is clean you won t need to use a primer unless raw metal is exposed.
Factory finished siding can develop an excessively thick chalk layer and may require power washing to ensure complete chalk removal.
Not adequately sealing a porous surface.
Spreading the paint too thin.