Fall 2009 Table of Contents

Other Articles
Residential Concrete News

Newly updated software published by the Portland Cement Association (PCA) allows builders to estimate heating and cooling system capacities for energy-efficient single-family concrete homes. The software calculates the system capacities based on the house dimensions, construction materials, air infiltration, location (U.S., Mexico, and Canada), and thermostat set point. To account for the thermal mass imparted by concrete walls, this software uses hourly weather data for a typical year. Read more

Signs of the Future

This week, many of you attended the International Builders' Show in Las Vegas, which offered attendees a glimpse into the future-the New American Home. The NAH's exterior walls as well as the foundation walls were constructed using ICFs. Typically, an ICF application helps a homeowner use nearly 70% less energy for heating, and 60% less energy for cooling when compared to a traditional wood frame home. Read more

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