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Concrete Overlay of Asphalt Parking Lot Guide Scheduled for Release

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A much anticipated guide on how to overlay existing asphalt parking lots with concrete is scheduled to be ready early this summer. The Guide for Concrete Overlays of Asphalt Parking Lots is being prepared by the National Concrete Pavement Technology Center with funding provided by the Ready Mixed Concrete Research & Education Foundation. This parking lot specific guide will pick up where other rehabilitation documents have fallen short in dealing with evaluation of the existing asphalt pavement, determining the proper concrete overlay thickness, surface preparation, maintaining positive drainage slopes, transitions to fix objects like building entrances and heavy duty sections for truck lanes and dumpster locations, just to mention a few.

The document will be used as guide to instruct designers on how to design concrete overlays of existing asphalt parking lots and as a tool to teach contractors best practices for constructing them. A Technical Advisory Committee comprised of the most experienced concrete overlay designers and contractors in the U.S. are involved in the project.

This new guide is being written by Dale Harrington in the same easy to use format and as a companion piece to Harrington’s Guide to Concrete Overlays: Sustainable Solution for Resurfacing and Rehabilitation Existing Pavements for mainline and municipal pavements.  

For more information contact NRMCA's Jon Hansen at or the Foundation's Jennifer LeFevre at

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Fritz-Pak Corporation
Marcotte Systems Ltd.
WAM Inc.
MPAQ Automation
900 Spring Street
Silver Spring, MD, 20910
Phone: 301-587-1400 Toll Free: 888-84 NRMCA (846-7622)