Permabase Complete Application Guide

Application Overview

To achieve the correct application of Permabase (diluted at 10:1) for chip seal underseal or prime coating at 0.0389 gal/sq ft, use the following setup for a standard 20-foot-wide road.

Spray Setup

Road Width: 20 feet
Spray Pass Width: 8 feet (requires 2 passes with overlap)
Length: 0.5 miles (2,640 feet)
Total Area: 52,800 sq ft
Diluted Application Rate: 0.0389 gal/sq ft
Total Volume Needed: 2,054 gallons (1 tote of Permabase concentrate)

Truck and Nozzle Configuration

Truck Speed: 5 mph (440 ft/min)
Bar Coverage: 8 ft wide
Nozzles: 5 total (1.6 ft spacing each)
Flow Rate Required: 137 GPM total
Flow Rate Per Nozzle: ~27.4 GPM @ 60 PSI

Nozzle Type Recommendation

Use flat-fan or flood nozzles rated at ~27–30 GPM @ 60 PSI
Example: TeeJet 1/4HH FloodJet TF-VP5 or UnitedBuilt BC2384

Spraying Procedure

Make one 8 ft wide pass down one side of the road (2,640 ft long).
Turn around and spray the remaining 8 ft on the other side.
Ensure consistent 5 mph speed using cruise control or GPS speedometer.
Monitor PSI and flow at nozzle bar; adjust pump pressure to ensure ~27 GPM/nozzle.

Total Application Time

Each pass takes ~6 minutes
Total spray time: ~12 minutes (plus turnaround time)
Use water meter to verify gallons used per pass

Dilution & Gallon Requirements

Job Area

Width: 20 feet
Length: 0.5 mile (2,640 feet)
Total Area: 52,800 sq ft

Application Rate

Recommended Diluted Rate: 0.0389 gal/sq ft (based on 0.35 gal/sq yd)
Total Diluted Volume Needed: 2,054 gallons

Dilution Ratio

Mix 1 part Permabase concentrate to 9 parts water (10:1 total dilution)
Each 275-gallon tote yields 2,750 gallons of usable diluted product

Totes Required

Total Diluted Needed: 2,054 gallons
Totes Required: 2,054 ÷ 2,750 = 0.75 → Round up to 1 tote

Summary

Use 1 tote of Permabase concentrate diluted at 10:1
Total output will cover a 20 ft x 0.5 mile road at the target rate
Ensure full dilution in a clean tank or batch mixer before spraying