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Pitchmastic PmB International News

Nouvelle Autoroute NA30 Successfully Treated With PmB

Pitchmastic PmB International were awarded the sub contract in October 2011 from a Spanish led consortium to supply and install its PmB waterproofing system to several new bridges in Quebec, Canada.

The specification for the waterproofing was based upon the traditional bitumen sheet type system. In fact, the project had begun with 4 or 5 smaller structures completed using a 'Superma Antirock' SMS bitumen system. However for programming and other cost efficiency reasons the client opted to utilize Pitchmastic PmB International and the spray applied PmB system having worked together previously in Ireland on several major bridge projects.

 

About PmB

 

PmB is a two part, spray applied, durable corrosion protection and waterproofing material. The high performance system is 100% polyurethane containing no fillers or additives and is VOC free. Once applied, PmB has exceptional bond strength to all commonly used substrates, has excellent crack bridging capability and a life expectancy in excess of 30 years and holds British Board of Agrément approval.

 Bridge deck waterproofing systems

The system has gained BBA approval for use as a damp proof and waterproofing membrane for internal and external tanking. The system holds approvals in many continents including Europe, North America, the Middle and Far East.

 

Advantages

  • Two component PUR spray system
  • 100% solids reactive resin content
  • Solvent free
  • No fillers
  • Rapid setting - 5-8 seconds gel time
  • Tack free after approximately 1 minute
  • Can be walked on after approximately 10 minutes
  • Elastic after approximately 45 minutes

 

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