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Free Tack & Seal Tool

Oil Distributor Spray Rate Calculator

Plan liquid asphalt spray rates for tack, seal coat, and prime coat. Calculate pump flow (GPM), compare Rosco and Etnyre nozzle ranges, and apply temperature correction factors.

Oil Distributor Spray Rate

Calculate required pump output (GPM), travel speed, and check Etnyre & Rosco nozzle flow ranges for tack coats, prime coats, or chip seals.

Quick Application Presets
Vehicle Travel Speed
Nozzle Spacing
Nozzle Brand
Nozzle Size / Specification
Binder / Liquid Asphalt Type

Fog Seal & Emulsion Dilution Assistant

Calculate the required distributor spray rate when using diluted emulsions to achieve a target residual asphalt binder thickness.

Original Residual %
%
Dilution Ratio (Emulsion:Water)
Required Spray Rate
0.167 gal/yd²
Diluted emulsion content: 30.0% residual asphalt.

Choose a Rosco asphalt distributor

Compare Maximizer 2B, 3B, and 4B tank capacities, spray bars, and pump output. Send Closner your application rate, spray width, and project details for a quote.