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BondTekk® Asphalt Tack Coat Bonded Pavement Technology

Product overview
BondTekk® bonded pavement technology creates a better bond between pavement lifts by using a spray paver that combines a distributor and paver in one, eliminating tracking away of tack coat by construction vehicles and facilitating the use of a higher quality polymerized tack coat applied at 4 to 6 times higher application rates. This increase in bonding liquid creates a better bond and provides a stress-absorbing membrane that delays cracking in the new HMA overlay on both concrete and HMA surfaces.
Geographic availability
  • Latin America and the Caribbean
  • Northern America

Related market & applications

Building & Construction

  • Asphalt

BondTekk® Bonded Pavement Technology

Bonding of hot mix asphalt (HMA) overlays is a key component of making pavements last. Debonding can cause early failure of a pavement, resulting in significant cracking and repair costs. Traditional paving techniques of a distributor spraying a small amount of tack coat in front of a paving operation, waiting for it to break, and then driving the entire paving process (several haul trucks, shuttle buggy, paver etc.) over the tack coat often results in a majority of the tack being removed from the roadway. This in turn causes a poor bond between the previous surface and the new HMA overlay.

With BondTekk® bonded pavement technology, you can now create a better bond between pavement lifts than ever before. Using a spray paver, government agencies can specify a higher quality polymerized tack coat applied at application rates of 4 to 6 times higher than traditional methods. This is achieved using a spray paver which combines the distributor and paver equipment into one machine, thus eliminating tracking away of the tack coat by construction vehicles. This increase in bonding liquid not only creates a better bond, but also provides a stress-absorbing membrane that significantly delays cracking in the new HMA overlay. BondTekk® has been successfully used on overlays on both concrete pavement and HMA surfaces.

All types of mixes can be used in this process including dense graded super-pave mixes, stone matrix asphalt (SMA), open graded friction course (OGFC) and gap graded mixes. Studies from multiple projects in Kansas and Missouri show that after 7 years of service life, the BondTekk®-applied HMA had 73% less transverse cracking and a whopping 83% less longitudinal cracking versus the conventional paving process (distributor truck-applied tack coat). Over 100,000,000 square yards of spray paver HMA has been applied in the US over the last 19 years including many using BondTekk® technology with dense graded mixes.

Benefits

  • Significantly delays both longitudinal and transverse cracking                                                                           
  • Superior bonding of HMA overlay to the underlying surface                                                                          
  • No tracking of tack coat from construction vehicles                                                                          
  • A polymer-modified tack can be used which significantly increases bonding strength                                                                          
  • Saves money in roadway repair expenses                                                                          
  • Longer-lasting roads                                                                          

Arkema Product Line Benefit Sheet

Arkema, a Technology Leader in the Asphalt Paving Industry

BondTekk Bonded Pavement Technology

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