# Rap
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#Rap
Browse all our articles related to rap in the asphalt and paving industry.
January 10, 2026
asphalt types
Asphalt-on-Asphalt Overlays: Sustainability, Maintenance, and Performance
A practical engineering briefing on asphalt-on-asphalt overlays—covering sustainability (WMA, RAP), pavement distresses and balanced mix design, surface preparation and tack coat, and quality control for durable results.
January 5, 2026
calculator
Comprehensive Guide to Asphalt Calculators & Pavement Engineering (2026 Edition)
A source-backed guide to asphalt quantity calculations, pavement design inputs, mix selection, RAP, WMA, quality control, and lifecycle planning.