Advancing Construction Materials Engineering

Step inside the epicenter of Five Star Products’ innovation – our cutting-edge formulation lab. This isn’t just a workspace; it’s where construction materials science meets dedicated engineering, giving rise to dependable solutions.

Five Star Products are purposefully engineered to offer value through (1) premium innovative solutions that excel in addressing performance challenges or (2) cost-effective solutions, reducing overall installation expenses when compared to alternative options on the market.

Why Choose Five Star Products?

Every product, every sample, and every test conducted here is a reflection of our commitment to advancing construction materials engineering. With decades of experience, we aim to consistently improve and evolve, aligning with industry needs.

Raw materials undergo careful analysis and transformation in this lab, ensuring each Five Star Product is crafted with intention and expertise. Our goal? To provide materials that partners can trust for resilience, longevity, and sound performance.

Join us on our journey as we continuously explore advancements in construction materials science.

Here are the latest products developed by our R&D lab:


  • XP 230 Epoxy Grout for Conventional Grouting Applications

    > 2” – 18” Pour Depth
    > 3 hours 4,000 psi (28 MPa) @ 70°F (21°C)
    > 12 hours 15,000 psi (103 MPa)
    > 24 hours 19,000 psi (131 MPa)
    > 7 day 22,000 psi (152 MPa)
    > Chemically Resistant

  • Structural Concrete HTR ES

    > Version 2.0 of Structural Concrete HTR
    > Expose to 1000°F in 24 Hours
    > Expose to 2400°F in 7 Days]
    > NOW Longer 90 Min. Working Time
    > AND Larger Volume Placements!
    > Pumpable at long distances

  • Repair Concrete

    > Commercial rapid-set concrete mortar; pre-extended in the bag
    > Unique aggregate formulation produces comparable color and appearance to concrete
    > Coat ready in 10 hours

  • 3/8″ COARSE AGGREGATE

    Intended for extending Five Star® cementitious products and Five Star® DP Epoxy Grout.

  • 3/8″ BASALT COARSE AGGREGATE

    Intended for use with Five Star Structural Concrete® HTR, Five Star Structural Concrete® HTR ES, and Five Star® HTR Grout. Can also be used for extending other Five Star® cementitious products.