N & N Masonry

Cement or Concrete?
Technically, cement is the major ingredient (along with sand, gravel, water, and other possible additives) used to make concrete mix. So when you refer to the finished product, "concrete" is the proper term, though people often say "cement" to mean the same thing. Different types of cement mixes are used to form different types of concrete, which can be used in different construction ... Read More

Concrete Dusting
Q: I have a concrete driveway about 24 by 60 feet that was poured one year ago. About three weeks after installation, the surface appeared "dusty" and wet leaves made spots on the driveway. What causes this problem and what can be done to correct this? A: "Dusting" usually occurs occurs on concrete surfaces when the water-to-cement ratio on the surface is too high or bad ... Read More

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