Frequently Asked Questions

Sources of Questions and Answers

• Portland Cement Association FAQs

Contact CRMCA/CRPA for Help With:

• Jobsite Addition of Water
• Cold Weather Concreting
• Concrete Slab Moisture
• Vapor Retarders Under Slabs on Grade
• Supplementary Cementitious Materials
• Ordering Ready Mixed Concrete
• Concrete Pre-Construction Conferencing
• High Strength Concrete
• Making Concrete Cylinders in the Field
• Dusting Concrete Surfaces
• Scaling Concrete Surfaces
• Crazing Concrete Surfaces
• Cracking Concrete Surfaces
• Plastic Shrinkage Cracking
• Joints in Concrete Slabs
• Cracks in Concrete Basements
• Discrepancies in Yield
• Low Concrete Cylinder Strength
• Strength of ln-Place Concrete
• Curing In-Place Concrete
• Hot Weather Concreting
• Concrete Blisters
• Finishing Concrete Flatwork
• Chemical Admixtures for Concrete
• Flexural Strength of Concrete
• Flowable Fill materials
• Radon Resistant Buildings
• Curling of Concrete Slabs
• Delamination
• Loss of air Content In Pumped Concrete
• What, Why, How? Grout
• Discoloration on Concrete
• Synthetic Fibers for Concrete
• Corrosion of Steel in Concrete