Neutral siding colors like warm gray create a solid foundation.
Gray wash paint siding.
You can scrub the siding s surface as you would for normal maintenance.
This will be a light grey wash.
Here a touch of black supplied by the shutters and mailbox against white trim keeps the look crisp and modern.
Factory finished siding can develop an excessively thick chalk layer and may require power washing to ensure complete chalk removal.
A brown gray or black stain on siding or trim may be simple grime or it may be mildew.
Spreading the paint too thin.
In a five gallon paint bucket mix a 1 1 ratio of grey paint to water.
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.
Not adequately sealing a porous surface.
If the stain doesn t wash away with water and detergent it s probably mildew.
Allow it to fully dry.
If the solution is too thick then add more water until you have a 1 to 1 5 ratio of grey paint to water.
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.
Mix a small amount of light grey latex paint and water into a plastic cup.
As long as the siding is clean you won t need to use a primer unless raw metal is exposed.
Over thinning a coating e g.
Use of a low grade highly pigmented paint.
To test whether a stain is grime or mildew try washing the stain away with water and a detergent like spic and span.
The consistency of the solution should be something like runny pancake batter.
This doesn t require an extraordinary effort.
Mix a solution of paint and water.
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.
Apply the white wash to the wood in long strokes with a paint brush.
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.
Use of an interior paint for an outdoor application.
The best way to get this siding clean is to power wash it.
Apply a white wash mixture to the wood using one about 1 part water to 1 part white paint.