November 9th, 2010 New Hanover County, NC green home builder
Mark Johnson Custom Homes would like to share with our readers
an interesting article courtesy of ConcreteNetwork.com. Concrete
is a friend of the environment in all stages of its life span,
from raw material production to demolition, making it a natural
choice for sustainable home construction. Here are some of the
reasons why, according to the Portland Cement Association and
the Environmental Council of Concrete Organizations: Resource
efficiency. The predominant raw material for the cement in
concrete is limestone, the most abundant mineral on earth.
Concrete can also be made with fly ash, slag cement, and silica
fume, all waste byproducts from power plants, steel mills, and
other manufacturing facilities. Durability. Concrete builds
durable, long-lasting structures that will not rust, rot, or
burn. Life spans for concrete building products can be double or
triple those of other common building materials. Thermal mass.
Homes built with concrete w