Polyester Concrete Overlays
The benefits of polyester bridge deck overlays include shorter lane closures, increased live load capacity, higher tensile strength, and a greater resistance to impact. A polyester concrete overlay can be placed as thin as ¾” up to 12” thick in a single lift. Priming the bridge deck with high molecular weight methacrylate (HMWM) allows for superior adhesion permitting a wide variety of applications.

 

Polyester Concrete has an additional binding agent of Polyester Resin.  Can be used in concrete as (Poly) methyl meth Acrylate (PMMA), epoxy pre-polymer, and furfuryl alcohol.  Was first used on a commercial scale in early 1950’s.

 

Also see Polymer overlays

 


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