Everything you need to know about home insulation.

Insulation is the key to a cozy and warm winter. An un-insulated home loses heat very rapidly to the cold surroundings since heat flows naturally from a warmer area to a cooler area. In winter, all heated surfaces of the living space will lose heat to the exterior and other nearby unheated spaces (attics, basements and non-living areas). Thus, choosing the right insulation should be a priority among homeowners when preparing for the arrival of winter. Without insulation, a lot of energy is expended in maintaining the homes temperature at a bearable level. Insulation refers to any material that resists the movement of heat from a hot area to a cold area.

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There are basically two categories of insulators:

(i)Insulators that prevent air flowair movement is an excellent conduit for dispersion of heat through convection and conduction. Still air, however, is a very poor conductor of heat and eliminates convection altogether. Insulators such as batts, blankets, loose-fills and low-density foams trap air between the wall and the insulation material. Certain types of foams exude special gases that increase the resistance to heat flow.

(ii)Reflective insulation this prevents heat loss by reducing the amount of heat that travels by radiation.

Comparison of insulating materials is made on the basis of the R-Value. This is a measure of the thermal resistance of the material. The higher the R-value, the greater the effectiveness of the material at preserving heat. The type of insulation depends on the nature of the area that you wish to insulate. For example, blankets would not work well in filling the open cavities of the wall of a new house. Instead, fiberglass fibers can be sprayed or foam insulation applied. For foundations, rigid reflective boards may be more suitable. Other reflective systems are suitable for the roof or other areas where there is a risk of downward flow of heat.

Posted in Home Improvement Post Date 02/27/2017