Crack sealing and asphalt repair work run by city street departments, state DOTs and contractors. Each study names the agency, the road, the product, and the test data behind it.
Tampa’s Manhole Covers Still Sealed After 10 Years
10+ years Placed in 2016 as a hold until permanent rehab. The reset was never ordered.Rowland placed Perma-Patch cold around City of Tampa manhole frames and reopened the lane the same day. Ten Florida summers later the collars are still tight and none of the treated frames has come back on a work order.
Read the study →Tampa Rebuilt Its Manhole Collars With Water-Activated Perma-Patch Aqua™
50% less Material by weight against twelve 60 lb bags. Water activated, open on compaction.Saw cut, mortar collar, six pails of Perma-Patch Aqua™, a hose, and a plate compactor. The full sequence on a north Tampa lane, start to open, inside one closure.
Read the study →City of Victoria Built a Crack Sealing Program Without Buying a Melter
D6690 + C920 Meets both standards, applied cold. Traffic back on the lane with no cure time.Victoria priced a hot-pour setup and did not like the capital cost or the liability of material heated past 350°F. They started the program cold instead, on 6690 ColdFuze™.
Read the study →City of Lafayette Seals Cracks From a Pickup Bed, No Kettle, No Water Truck
1 pickup bedThe kettle, the water truck, and the extra crew all came off the job.Lafayette runs mostly small, scattered work. Hot pour is built for the opposite. Moving to a cold-applied pump system took the whole mobilization down to one truck.
Read the study →NTTA Took the Kettle Off the Road After a Crew Member Was Burned
0 open flamesCold applied on live tollway pavement. Gloves and eye protection are the PPE.A crew member was burned working the hot kettle. NTTA moved crack sealing to a cold-applied system, and the warm-up and cleanup time went back into the work.
Read the study →NCDOT Patched a Bridge Joint on I-95 That Had Already Failed More Than Once
I-95 Bridge joint on an interstate, flagged by NCDOT as a motorcycle hazard.The section had a history of repairs that came back out. NCDOT poured Perma-Patch straight from the bag in July 2012 and finished inside one overnight window.
Read the study →NCDOT Filled a Quarter-Inch Depression Without Cutting the Lane Open
¼ inch Too shallow for a conventional patch, deep enough to hold water and keep spreading.A July 2010 pothole let water into the surface and left a quarter-inch depression in a travel lane. NCDOT D5 Streets Maintenance filled it in place and it was still holding two years later.
Read the study →What is in each study
The agency and the road are named. The product is named once and linked. Lab results come from an accredited outside lab, and the full report sits in the submittal package for anyone who has to spec it. Photos are from real jobs.