5 Green Building Materials
Lately, the construction of green homes has become increasingly prosperous. The building materials used in this case are eco-friendly and have little impact on the environment.
For constructing a house, a large variety of construction materials are needed, such as bricks, wood, cement, lime, etc. Not only are trees being cut down every year, but in the process of obtaining construction materials harmful substances are being released into the atmosphere.
Using green building materials would reduce the emission of harmful substances into the atmosphere.
Following materials are considered eco-friendly: Recycled products, Long lasting products, Products which can be found in nature and represent renewable resources, Products which generate little or no pollution.
During construction it is best to use less polluting materials, which shouldn’t hold in their composition too many harmful chemicals. A more elaborate thinking is expected from every architect, because the choices which he makes are crucial, as they affect the shape, aesthetics and the structure of the green home, not to mention the costs.
Below you will find some suggestions of green materials, which can be used in the construction of green homes:
Medium-density Fiberboards for the outside, to protect the house against cold winters, hot summers and wind; it provides additional insulation, prevents moisture from penetrating the layers of insulation and behaves as an isolated layer.

Fiberboards for indoor use have a high capacity of absorbing and afterwards releasing moisture, keeping the entire structure of the house dry.
Natural paints for interior and exterior walls. In the past, binders used for natural paint were made of bones, starch or leather, but nowadays, we use methylcellulose which has a higher quality and is less polluting.
Reinforced Concrete with natural or artificial fibers, lightweight aggregate concrete, eco-friendly cement with a reduced carbon percentage of 40%.
Recycled building materials, such as nonwoven geotextiles and cotton and polyester for insulation

The latest construction materials are aerogel (a porous solid with the lowest bulk density, which delivers outstanding performance in the field of insulation) and electrochromic and thermochromic windows
Using solar power for generating heat and electricity are of major importance in the construction of green homes. The use of solar panels is already widespread and will continue to expand in the near future. Photovoltaic solar panels produce energy without fuel consumption. Energy is stored in batteries and can be used at night or later on. The only disadvantage of using photovoltaic systems is that photovoltaic panels require convenient location. Wind energy represents also a green alternative, when it comes to generating electricity. It is used extensively today which has developed rapidly over the past few years. The problem is that the wind turbines must be placed in locations constantly high wind speed.
Written by thevividedge, date May 15, 2010 in green buildings
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