Insulation Resistance
Insulation Resistance
dangers of unacceptable low insulation resistance?
If properly shielded and grounded, equipment and power cables shorting, causing blackouts and unscheduled shutdowns.
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Insulation is the phenomenon of reducing the flow of heat, electricity or sound between the inner space and outer space of an object. Insulation can be used both to prevent heat gain and from heat loss to the surrounding areas. Most electric appliances use insulation technology like Refrigerators, freezers and Heaters. One of the main applications of insulation is house insulation. An insulated home is more energy efficient, requires less maintenance and is more comfortable, as the temperature remains uniform over weather changes. Insulation at home helps in saving energy and reducing utility bills. It makes the house more comfortable.
There are many types of insulation available these days like Batts and Blanket insulation, loose fill insulation, Cellulosic insulation, Reflective insulations etc. Foam insulation is one of them. Foam insulation is performed by pouring liquid foam from a container.
Foam insulation is convenient to install while constructing the house rather than insulating already built structures. As foam insulation is air tight, it is not generally recommended for attic insulation that should be properly ventilated. Also, Foam insulation is a bit more expensive than batt and blanket insulation.
Foam installation is easy to perform with adequate instruments. They are much more powerful and efficient than Batt and Blanket insulation. They have a higher R value and provide better thermal resistance. Due to their high efficiency, they can be installed even in small spaces. Foam insulation is generally filled in the cavities of walls, floor, roofs etc. Foam insulation also protects the space from moisture condensation. Foam insulation does not shrink or settle. It is fire and insect-resistant.
Rigid Foam Insulation is best used when space is a consideration. It is easy to install and best when a higher R value is not needed. It is made up of densely packed air particles and provides a high thermal resistance. It is good for creating a barrier against energy loss and air infiltration.
Spray-on insulation is installed with the material known as polyurethane. Spray foam insulation is used to insulate the walls and ceilings to keep the house warm during cold spells and to keep it cool in summer. Spray Foam insulation is a bit more expensive than Fiber glass insulation. This type of insulation can reduce utility and repair bills as the house is naturally warmer and free from bugs due to the insulation. Spray foam insulation lasts longer than other types. Also, it dos not fall off the wall like fiber glass insulation.
Proper Precautions must be taken while installing the foam insulation. Some Foam insulation materials contain chemicals that can harm the skin and may cause lung cancer. Therefore proper masks must be put on the face before installing them. They must not be installed near to electrical equipments. Though, they do not catch fire easily they may emit harmful gasses if they burn. Foam insulation should also be protected from sunlight as ultraviolet rays from the sun may damage foam insulation.
About the Author:
Eric Comforth is a consultant who writes on many consumer topics. There’s plenty more insulation information at
Insulation Info.
Article Source: ArticlesBase.com – Foam Insulation – Don’t Get Left in the Cold