The Question
‘Should we patch and overlay, or is it time to tear it out and start over?’ Every property manager asks this question. The wrong answer is expensive — a $50,000 overlay on a failing base means the lot fails again in 3 to 5 years and you spend the $200,000 reconstruction cost anyway. We help property managers answer this question on every assessment. Here are the 8 warning signs.
Sign 1: Alligator Cracking
Alligator cracking — interconnected cracks forming a pattern that looks like alligator skin — indicates sub-base failure. The asphalt above is no longer supported and is breaking up under load. If alligator cracking covers more than 25 to 30% of the lot, reconstruction is the right call. Patching alligator-cracked sections only delays the inevitable.
Sign 2: Rutting in Drive Lanes
Rutting (depressions in the wheel paths of drive lanes) means the asphalt is moving under load. This happens when the mix is too soft for the traffic, when the base is failing, or when sub-grade saturation has reduced bearing capacity. Mill-and-overlay can mask rutting but won’t fix the underlying cause. Reconstruction with corrected mix design is the right answer.
Sign 3: Persistent Potholes
Same potholes coming back after every patch? That’s sub-grade pumping — water and fines being forced up through the asphalt under load. Patching the surface won’t stop it. The fix is excavation, sub-grade repair (often with geotextile fabric), and full-depth reconstruction of the affected section.
Sign 4: Severe Surface Distress on Older Pavement
Lots that are 20+ years old with multiple failure modes (oxidation, cracking, raveling, surface slipperiness) have usually exceeded their economic repair life. Even if you patched and overlaid every defect, you’d spend more than reconstruction would cost — and you’d still have an aging sub-base that fails 5 years later.
Sign 5: Drainage Failures
Standing water, pumping potholes, or visible water staining at the base of curbs indicates drainage failure. Surface fixes don’t help if the lot doesn’t drain. Reconstruction with corrected grading and updated drainage (catch basins, trench drains, sub-grade fabric) is the right answer.
Sign 6: ADA Non-Compliance That Requires Regrading
If the lot needs significant ADA upgrades — slope correction, layout changes, ramp reconstruction — combining that with reconstruction is often cheaper than doing them sequentially. Reconstruction lets us regrade everything to current code in one pass.
Sign 7: Multiple Failed Patches
If 20+ percent of the lot is patched and the patches are failing, the lot has exceeded the patching strategy’s useful life. Each patch is a discontinuity — water gets in at the joints, sub-grade fails, the patch fails, you patch again. Eventually full reconstruction is the only economic option.
Sign 8: Massive Differential Settlement
Sections of the lot that have settled 1 inch or more relative to surrounding pavement indicate sub-grade or fill failure. Surface fixes won’t address it. The settled area needs to be excavated, the sub-grade repaired or stabilized, and the section rebuilt to grade.
Reconstruction vs. Mill-and-Overlay
If the base is sound and only the surface is failing, mill-and-overlay is the right call (12 to 18 year service life, half the cost of reconstruction). If the base is failing, reconstruction is required (20 to 30 year service life, full cost). The difference is what’s underground — and that requires an experienced contractor to assess.
Get a Free Commercial Paving Estimate
Need help with a commercial paving project? Every estimate is free, on-site, and itemized. Most on-site estimate within 48 hours, with on-site estimate within 48 hours. Use the form on this page or call (630) 555-PAVE.
Get a Free Commercial Paving Estimate
Need help with a commercial paving project? Every estimate is free, on-site, and itemized. Use the form on this page or call (630) 555-PAVE.