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How to Use Concrete Sealers

Concrete is porous and it needs to breathe to let moisture escape. When applied at the manufacturer’s recommended rate, most concrete sealers will remain breathable. However, a blushing problem can occur when sealers are over-applied or reapplied too often. Blushing is a white film that forms when moisture is trapped between the concrete and the sealer.

Concrete Sawing and Drilling Association (CSDA) Training classes boast 1,000 grads

A milestone has been achieved with the 1,000th student graduating from Concrete Sawing and Drilling Association training classes held November 6-15, 2003. Since the CSDA offered its first class, Cutting Edge, in 1993, 686 students have graduated from this program. Since Operator Certification was started in 1996, 161 students have […]

Change in cement formulation promises to reduce emissions

Members of the Portland Cement Association announced the latest effort by their industry to significantly reduce emissions and provide key environmental benefits by proposing a change in the manufacture of portland cement. Tom Chizmadia, PCA board member and chairman of the association’s Environment and Energy Committee, outlined PCA’s proposal to […]

Portland Cement Association Shepherd named director of sustainable development

Portland Cement Association has named David D. Shepherd, AIA, as Director, Sustainable Development. In the newly created position, Shepherd will be responsible for developing and promoting sustainable applications for cement and concrete. A registered architect, Shepherd joined PCA in 2000 as manager of residential technology and was responsible for coordination […]

National Ready Mixed Concrete Association NRMCA partners with OSHA for safety

Workers in the ready mixed concrete industry will benefit from a partnership agreement signed Nov. 4 by the Occupational Safety and Health Administration (OSHA) and the NRMCA. Among the goals of the partnership are a 30 percent reduction over three years in the total case incident rate (TCIR) for member […]