THE LIFE CYCLE OF WOOD Sterling Fence Inc |
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Stage 1 - Resource
Extraction
Harvesting and removing the resources and transportation of
the material. This includes the logging or mining required to retrieve the
materials, the equipment used, the building of roads to transport the materials
and reforestation efforts.
Why Wood?
Harvesting wood has been shown to be
much less intrusive than the mining of raw materials for steel and concrete such
as iron ore, coal and limestone. And advancements in technology have even
improved the process.
Stage 2 - Manufacturing
Preparing the material for
use and measuring the amount of energy needed for raw materials to be
manufactured into building materials. This includes the cutting of the trees
into the different sizes (2x4, 4x6, etc.), and manufacturing steel and concrete
from ore and minerals.
Why Wood?
Compared to a wood 2x4, a steel stud
requires 21 times more energy to produce and releases more than 15 times the
sulfur dioxide. Producing concrete emits up to three times more carbon dioxide,
carbon monoxide and hydrocarbons than manufacturing lumber.
Stage 3 - On-Site Construction
Building with the selected
materials, including delivering of the materials to the distribution centers,
home centers, or building sites and the actual construction of the home.
Why Wood?
Wood requires very little on-site energy
or special machinery to construct.
Stage 4 -
Occupancy/Maintenance
Living in the home continues to impact the
environment, including the energy needed to heat and cool your home throughout
the year.
Why Wood?
Wood is a 400 times better insulator
than steel and eight times better than concrete. Using wood framing will insure
that your house stays cooler in the summer and warmer in the winter.
Stage 5 - Demolition
This stage assesses future
impacts that are possible long after a home is lived in, including
bio-degradability or reusability of materials during renovations or possible
razing.
Why Wood?
Wood is a completely natural building
material that's 100% biodegradable. Some wood is even recycled for use in
engineered wood products.
Stage 6 -
Recycling/Reuse/Disposal
Today's sustainable forestry practices ensure
a perpetual abundance of cedar from North America's forests.
Why Wood?
Cedar siding substitutes like concrete,
vinyl and aluminum are manufactured from materials extracted from the earth -
once removed, they can never be replaced. When substitute sidings age beyond
their useful life, they become part of landfills. As a natural product, cedar is
fully biodegradable. |
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Members of the Western Red Cedar Export Association provide
western red cedar to Belgium, France, The Netherlands, United Kingdom,
Australia, New Zealand, China, Japan and other markets around the world.
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