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comment Division 03: Concrete
Apex Construction Systems
www.apexblock.com
December 2007
With a thermal value of R-52, Apex Block is a lightweight insulating concrete block form weighing 51 pounds and made from over 90 percent recycled expanded polystyrene, cement, and other bonding agents. Apex walls deliver superior strength while providing a 4-hour burn rating and an average energy savings of over 60 percent.
Blue Maxx
www.bluemaxxaab.com
December 2000
The Blue Maxx wallsystem Insulating Concrete Form (ICF) incorporates
insulation, air/vapor barrier, and furring strips in clean,
permanent, lightweight, interlocking polystyrene units. This
makes installation a one-step process, saving time and labor.
Concrete core walls, insulated with polystyrene, absorb noises
and a patented web system of reinforced steel guarantees the
structure's strength and durability.
Charah Inc.
www.charah.com
October 2006
The Quikrete Companies today announced that it has entered a joint venture with Charah Dry Mix LLC to manufacture and distribute selected products under the Quikrete brand. Charah Dry Mix LLC is a recent spin-off from Charah Inc., a leading ash management provider for the coal-fired electric utility industry based in Louisville, Ky. Charah Dry Mix LLC produces a patent-pending concrete mix made with bottom ash, a material produced by coal-burning utilities that is recycled as a concrete aggregate.
Ecolite Concrete USA
www.ecoliteconcrete.com
March 2008
Ecolite Concrete USA has introduced a new building system of lightweight
precast concrete walls. The ready-to-erect, load-bearing walls offer
integral steel framing and cellular concrete cladding and contain up to 50
percent recycled content. Billions of air bubbles give the cellular concrete
improved thermal insulation and reduced weight; the walls can weigh as
little as 12 pounds per square foot. Ecolite is currently supplying walls
and decks for 55 buildings in a training complex for the U.S. Army National
Training Center in Fort Irwin California.
Holcim
www.envirocore.us
January 2007
Holcim launched the Envirocore family of products at the GreenBuild show held last November in Denver. Containing materials that have been recycled or co-processed, the products are engineered to be utilized in all Portland cement applications. They are produced in a method that uses less energy and fewer raw materials while generating less waste and pollution. The ingredients in the line range from fly ash, slag, pozzolans (natural deposits), limestone, and masonry/mortar cement.
Holnam Inc.
www.grancem.com
GranCem is a ground granulated blast-furnace slag material
that typically replaces, kilo for kilo, a portion of the other
cement in mixtures. A recycled material, GranCem makes concrete
more durable, easier to handle, and brighter, as seen here
in the Rock and Roll Hall of Fame.
Meld USA
www.meldUSA.com
December 2007
EcoX is a cement-based composite material comprised of up to 70 percent post-consumer and post-industrial recycled materials. The material can be used to create made-to-order finished modern concrete products including surfaces, fixtures, and furniture.
The Melland Co.
March 2001
The Ultra - T flooring system is composed of regular stone
aggregate concrete trowelled to a very thin 3/4-inch thickness
over standard wood supported floors. Because it weighs only
eight to ten pounds per square foot, no additional floor support
is required. Upon curing the concrete is prevented from cracking
by the use of small metal tabs attached to the subfloor. Stained
and textured, this seamless, maintenance-free, allergy-free
floor, is designed to last a lifetime without cracking.
Portland Cement Association
http://www.cement.org/smreport06/
The cement industry has a new tool to expand its sustainable manufacturing efforts. The U.S. Environmental Protection Agency (EPA) announced this week that an Energy Performance Indicator (EPI) is now available for cement manufacturers.
The EPI scores the energy efficiency of a single cement plant and allows the plant to compare its performance to that of the entire industry. The EPI is an outgrowth of the EPA's Energy Star Industrial Focus program. The tool is intended to help cement plant operators identify opportunities to improve energy efficiency, reduce greenhouse gas emissions, conserve conventional energy supplies, and reduce production costs.
The cement industry EPI was developed by the EPA in cooperation with PCA, technical support from Argonne National Laboratory in Illinois, and validated at several cement plants. The tool scores a plant from 1 to 100. A score of 75 or higher deems the plant as energy efficient.
L.M. Scofield
www.scofield.com
September 2004
Available in a full range of colors, Scofield Texturetop cementitious
topping is ideal for restoring floors and hardscapes or to
correct construction errors in commercial, industrial, or
residential projects. This fast-track, low-profile topping
is an economical alternative to excavating old concrete and
offers high durability and abrasion resistance in interior
and exterior applications.
Based on what you have seen and read about this project, how would you grade it? Use the stars below to indicate your assessment, five stars being the highest rating.
Syndesis
www.syndesisinc.com
A cement-based, pre-cast product, Syndecrete is more resistant
to chipping or breakage than conventional concrete, tile,
or limestone. The material can be worked with woodworking
tools. Typical uses include counter tops, table tops, floor
and wall tile, fireplace surrounds, fountains, landscape elements,
sinks, bathtubs, and showers. In the production of Syndecrete,
waste is reduced by closely monitoring mixes for efficient
yields. Recycling efforts include the filtering and recycling
of polishing water, recovery and reuse of form building materials,
and collection and reactivation of Syndecrete dust.
Ytong Florida Ltd.
www.ytong.com
The company's autoclaved aerated concrete (AAC) blocks are
is made from sand, water, and limestone. The raw materials
are processed to create a structural building material with
a large number of pores, known as aerated concrete. One unit
of volume of the raw materials yield five units of volume
of Ytong. Insulation value, due to pores, is high, while the
product is light and easy to work with.
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