Chemical allowance
Include mix cost, application time, plant protection, rinse control, and extra material for heavy organic growth.
Choose roof soft wash, siding, or exterior cleaning in the calculator, then adjust surface material, soil level, chemical allowance, labor, travel, overhead, minimum fee, and target margin.
A soft wash pricing calculator should account for surface type, access, square footage, chemical cost, dwell time, plant and runoff protection, labor, travel, overhead, minimum fee, and target margin. Do not price roof or siding soft washing from square footage alone when chemical risk, access, or cleanup time is material.
Fast estimate mode
Built for contractors, not homeowners checking a one-time cleaning cost.
Suggested customer price
Ready to calculate
What your customer sees
Enter a job and calculate to generate a customer-ready summary.
Include mix cost, application time, plant protection, rinse control, and extra material for heavy organic growth.
Roof pitch, fragile siding, ladder work, long hose runs, and runoff constraints can change labor and risk assumptions.
Explain what is included, what is excluded, and why final results can vary without exposing internal margin.
Start with the surface type, square footage or roof complexity, chemical mix, dwell time, rinse and cleanup time, travel, overhead, minimum job fee, and target margin.
No. Soft wash jobs often depend more on surface material, chemical cost, plant protection, access, roof pitch, runoff control, and liability risk than on square footage alone.
No. The quote should explain scope, assumptions, exclusions, and expected result without promising complete removal of every stain, oxidation issue, or organic mark.