ProSpec Products

MarMac Construction Products offers an assortment of ProSpec repair products


  •  Fast setting, one-component, polymer modified, calcium aluminate cement-based concrete and masonry patching compound designed for vertical and overhead repair applications
  •  Used for patching distressed surfaces including precast products, concrete pipe, curbs, sidewalks, bridges, panels, walls


  • Interior/Exterior
  • Above grade/below grade
  • Can be troweled, shaped and shaved after taking initial set
  • Integrated corrosion inhibitor
  • Available in 3 shades of gray
  • Easy to shape and mold


High Strength Precision Grout

  •  Specially formulated, ready to use, high strength, flowable precision grout
  •  Precision grouting of machinery bases sole plates, rolling mills, generators, anchor bolts, transfer lines, paper mills and structural grouting of precast columns, crane rails, bridge seats, dowels, etc.


  • Interior/Exterior
  • Can be pumped into areas inaccessible by conventional grouting methods
  • High fluidity, excellent working time & early strength build
  • High initial and ultimate flexural and compressive strengths
  • Non-porous, non-shrink, non-metallic, non-staining, & non-corrosive
  • Conforms to CRD-C621 Corps of Engineers Specification for Non-Shrink Grout and ASTM C 1107


Instant Hydraulic Cement 

  •   High speed, single component, cement repair material formulated for stopping active water leaks
  •   Used for repair on basements, elevator pits, foundations, swimming pools, tunnels, storm drains, manholes, seawalls, docks, piers, etc.


  • Can be applied underwater
  • Interior/Exterior
  • Horizontal and vertical repairs
  • Single-component
  • Non-metallic, non-staining
  • Shrinkage compensated
  • Stops seepage leaks
  • Initial set in 1-3 minutes


Precast Mortar Grout

  •   Fast-setting, non-shrink, single component, cementitious mortar grout formulated for precast repairs and erections
  •   Restoration of architectural details, bridges, parking structures, tunnels, precast concrete products, retaining walls, balconies, etc.


  • Interior/Exterior
  • Excellent hang capability
  • Rapid setting
  • Non-staining, non-metallic, non-corrosive
  • Shavable
  • Cement-based and does not contain chlorides or salts that would be detrimental to reinforcing steel
  • Freeze/thaw resistant
  • Cost-effective (no forming needed)



  •   One component, polymer-modified, portland cement-based, interior and exterior resurfacer designed for smoothing and filling vertical and overhead concrete and masonry surfaces
  •   Used for repair on interior/exterior concrete walls (masonry block, poured in place concrete, precast structures, etc.)


  • Interior/Exterior
  • Excellent bond to old or new concrete
  • Self curing
  • Non-shrink finish
  • Excellent coverage and easy to use
  • Vertical and overhead applications

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