Construction materials consultants, inc.

Serving the Industry through Testing, Investigation, Evaluation, & Research

it is usually an issue or a concern that leads us to better understanding of a material and its properties, durability, and performance


have a problem? look below and call us..........call us anyway


  • Low Strength
  • Slab Curling
  • Finishing Issues
  • Surface Delamination
  • Surface Scaling
  • Surface Spalling
  • Aggregate Popouts
  • Aggregate Lift-off
  • Freezing Issues
  • Fire Damage
  • Surface Efflorescence of Concrete
  • Delayed Setting
  • Rapid Slump Loss
  • Surface Cracking
  • Drying Shrinkage
  • Plastic Shrinkage
  • D-Cracking
  • Cement Content Issues
  • Entrained Air Issues
  • Sulfate Attacks
  • Alkali Silica Reactions (ASR)
  • Alkali Carbonate Reactions (ACR)
  • Gypsum - Anhydrite - Pyrite Issues
  • Delayed Ettringite Formation (DEF)
  • Sea Water Attacks
  • Salt Hydration Distress (SHD)
  • Mis-Proportions
  • Concrete Discoloration
  • Mortar Cracking
  • Weak Mortar - Masonry Bond
  • Mortar Over-sanding
  • Mortar Efflorescence
  • Salt Attacks on Masonry
  • Stucco Failures
  • Stucco Cracking
  • Corrosion of Metal Lath in Stucco
  • Plaster Issues
  • Unsound (e.g., expansive) Cement
  • Unsound (e.g., reactive) Aggregate
  • Mixing - Consolidation - Curing Issues
  • Excessive Bleeding
  • Improper Air Void Systems
  • Efflorescence Salts
  • Surface Staining
  • Rapid Wearing of Surface
  • Surface Dusting of Slab
  • Erosion - Cavitation 
  • Leaching of paste 
  • Acid Attacks
  • Sewer Pipe Attacks
  • PCCP Failures
  • Wastewater Tank Issues
  • Contamination Issues
  • Corrosion of Steel in Concrete
  • Steel Reinforcement Depths
  • Aluminum Corrosion in Concrete
  • Water / Cement Ratio & Durability Issues
  • Chloride Content & Profile
  • De-Icing Chemicals Issues


concrete - from homeowners


  • My driveway is only 2 years old and is scaling. What went wrong? How can I prevent scaling of driveways?
  • My concrete basement has a lot of cracks. Why? How can I control the cracks?
  • My concrete home has cracks on the walls and ceiling - What went wrong and how can I prevent it?
  • A paint coat on a basement is peeling and blistering - What went wrong?
  • A paint coat on a drywall or stucco is peeling, cracking, blistering - What is the reason?
  • My concrete driveway is cracking and spalling as chunks of broken concrete - What went wrong?


concrete - from contractors


  • The strength of concrete cylinder is tested lower than the design strength - What went wrong?
  • The air content of concrete is less than the designed air - What went wrong?
  • Concern about whether or not a concrete was frozen in the plastic state.
  • What causes cement or concrete burns? How can we prevent it?
  • The concrete placed in a deck didn't set for a long period of time - What went wrong?
  • How can we check whether or not a concrete meets the specification?
  • How can we check the quality and degree of consolidation of a hardened concrete?
  • How can we check the degree of curing of a concrete slab?
  • What causes delamination of concrete slab? How can we prevent it?
  • What causes cracking of concrete pavements? How can we control it?
  • How can we check the depth of extent of fire attack in a concrete structure?
  • How can we check the depth of extent of acid or sulfate attack in a concrete structure?
  • How can I check the quality, freeze-thaw durability, soundness and potential reactivity of the aggregates used in concrete mix?
  • How can we prevent dusting of concrete slab? What causes dusting?
  • How can we prevent staining and discoloration of concrete?
  • What precautions should I take for concrete placement in Cold Weather?
  • What precautions should I take for concrete placement in Hot Weather?
  • Should I use a sealer on a concrete surface? What kind? When should I place it?

724-834-3551