RoadKing Rentals Technical Team
Technical resources for Texas road contractors. Application rates, material selection, equipment operation, and TxDOT specification references — written by the people who put distributors on Texas job sites every day.
Surface Treatment & Chip Seal
Application Rates · CRS-2 · TxDOT Item 316
How to calculate emulsion quantity, standard rate ranges for Texas conditions, TxDOT Modified Kearby Design Method, and common field mistakes to avoid.
Fog Seal · Surface Preservation
Coverage rates, material selection, and sequencing for fog seal operations on Texas county roads and TxDOT preservation projects.
Tack Coat · Prime Coat
A practical breakdown of when each application is appropriate, material selection, and rate guidance for Texas overlay and base preparation work.
Materials & Specifications
AC Grades · Trackless Tack · TxDOT Item 300
What AC grades and trackless tack are, how they differ from emulsions, what TxDOT specs allow, and why standard distributors aren't configured for these materials.
Emulsions · Cutbacks · Material Selection
How to choose between CRS-2, CRS-2P, MC-30, MC-70, and other materials based on application type, surface condition, and Texas climate.
West Texas · Oilfield Roads · Dust Control
SC-70, SC-250, and road oil applications for unpaved oilfield road maintenance in West Texas and the Permian Basin.
Equipment & Operations
First Rental · Planning · Checklist
What to have ready before the equipment arrives — CDL requirements, insurance, material staging, crew preparation, and calibration steps.
Spray Bar · Nozzles · Calibration
How to select nozzles, set spray bar height, achieve correct overlap, and verify application rate accuracy on the Etnyre EPC control system.
TxDOT · CDL · Insurance
CDL requirements, DOT inspection status, insurance documentation, and TxDOT permit requirements for operating an asphalt distributor on Texas public roads.
Official TxDOT specifications, manuals, and research referenced throughout our field guides. Bookmark these if you work on Texas DOT projects.
TxDOT.gov — Maintenance Manual
Full manual covering binder selection, application rates, aggregate selection, equipment, and construction procedures for Texas seal coat work.
TxDOT Online Manuals
The Modified Kearby Design Method and correction factor tables for determining design application rates on Texas surface treatment projects.
TxDOT 2024 Specifications
Complete 2024 material specifications for all asphalt binders used on TxDOT projects — AC grades, PG binders, emulsions, cutbacks, and TRAIL products.
TxDOT Standard Specifications
Construction specification governing chip seal and surface treatment work on TxDOT projects — materials, equipment, application, and acceptance criteria.
TxDOT Materials & Tests Division
Quick-reference guide to TxDOT-approved binder grades by application type — surface treatment, tack coat, prime coat, recycling, and more.
Texas A&M Transportation Institute
Performance evaluation and specification development for non-tracking tack coat products in Texas. Background on TRAIL product classification.
Our team is available to work through your project spec, material questions, and equipment requirements before you book.