[TowerTalk] Cure time / URL for concrete FAQs

[tom.mcdermott4 at sbcglobal.net]

The PCA site lists about 5-7 days minimum curing time, and 28-days to reach
specification strength. Concrete actually continues to get stronger after 28
days.

Here are some good links for concrete, by the Portland Cement Association.
There's a lot of good information on the site.

FAQ:
http://www.cement.org/tech/cct_faqs.asp

Basics:
http://www.cement.org/basics/concretebasics_faqs.asp

	-- Tom, N5EG