Now take a soft brush dip it into the solution and start scrubbing the areas affected by mold and mildew.
How to white wash tin roof.
You want this to be more fluid so it soaks in not lays on top thickly.
Mix up some of that same white chalk paint i linked above along with a little water.
Use light pressure to work at the stain until it is gone.
Use a mild abrasive cleaner soft scrub applied to a non abrasive pad.
Brush the item completely using a wire brush to remove rust and other debris.
How to whitewash metals.
Remove the particles or pieces that are causing the rust stains.
Opt for something soft to protect your roof s paint and parts.
Use a cloth or sponge to clean.
If you re working on a large project it may take more than one day to complete.
Mix water and mild detergent for stubborn areas.
If desired moisten the rag with water to remove even more paint.
If needed increase the amount to cover a larger area while keeping the same proportion of water and tsp.
Tsp is available in most paint or home improvement stores.
For any areas that don t wash away with pressurized water fill a bucket or other container with water.
To remove mild rust stains.
Mix 1 2 cup of tri sodium phosphate tsp in a gallon of water in a bucket.
Using a plastic pump type garden sprayer thoroughly soak the affected allow it to sit for at least 5 minutes.
Remove any rust from the item intended for whitewashing.
Remove the detergent mixture residue with.
Mixing the paint to create the whitewash mix two parts flat white latex paint with one part water.
Continue all the way around until the paint looks even.
Paint the entire surface with white paint and let it dry until tacky about 15 to 20 minutes.
Use a rag to scrub the surface applying pressure over the wax areas to remove paint.
Then dip the paintbrush into the mix and stir it around until an even consistency forms.
But remember fluid paint that soaks in is key.
And don t forget to go back and get those rolled edges on top and bottom.