
House Wash — Vinyl Siding (Soft Wash)
Mixing Ratio
1 part SH 12.5% : 3–4 parts water
by Official Starter
Category
Soft wash recipes for residential exteriors — vinyl siding, stucco, aluminum, and more. Low-pressure chemical cleaning that protects surfaces while eliminating algae, mold, and general grime.
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2 recipes in House Wash / Soft Wash

Mixing Ratio
1 part SH 12.5% : 3–4 parts water
by Official Starter
Mixing Ratio
Vinegar: 1:1 water to white vinegar. SH option: 0.5–1% SH on surface
by Official Starter
Soft wash recipes for residential exteriors — vinyl siding, stucco, aluminum, and more. Low-pressure chemical cleaning that protects surfaces while eliminating algae, mold, and general grime. All recipes include structured mixing ratios, dwell times, application methods, and required safety notes contributed by working pressure washing and soft washing contractors. Browse by surface type or problem to find the exact process for your job.