Spray Foam Insulation's R-value and Heat Transfer rate

Spray Foam Insulation's R-value and Heat Transfer rate

With the ever changing economy today each individual is looking out for alternatives to reduce his/ her expense. House maintenance is a potent area where savings can be made. An energy efficient house can be extremely effective in giving better savings than any other measure you use. Thus many individuals are moving on to energy efficient methods like home insulation to save on their energy bills. Spray foam insulation is rapidly gaining popularity as the most efficient insulation product available.

Spray foam insulation is formed of polyurethane substance. This material is liquid when sprayed but increases to a size 100 times more than the first and takes a hard and solid form. The liquid form facilitates the material to spread out in the remotest of cracks and give a complete protection. Such coverage leads to full insulation of your house.

The insulation provided by spray foam insulation efficiently prevents heat transfer. This can be explained as follows -

Heat travels through materials and space by three means Conduction, Convection and Radiant heat.

Conduction -

In this process thermal energy journeys through the mass of a material on a molecular level. Conduction is the main method via which heat migrates via the ceiling, floors and walls of a structure. By installing spray foam insulation between the two highly conductive materials the process of heat conduction lowers greatly.

Convection -

Convective transfer of heat happens through the movement of heat in the air. Warm air easily escapes the inside of a structure which increases the use of heaters in a cold weather. Structures normally have hidden or prominent crevices that lead to this kind of transfer of heat. By sealing the gaps with spray foam you can effectively stop the convention currents.

Radiant heat -

Heat transferred by means of electromagnetic spectrum is called radiant heat. Spray foam insulation is the most effective solution to address such troubles. It has a surface with excellent reflectivity properties. Thus it stops the transfer of heat through the electromagnetic spectrum.

The above explanation proves why many home owners seek to install spray foam insulation to obstruct the transfer of heat in way. Another factor why spray foam insulation is famous is due to its extremely high R-value. R - Value is a standard adopted by the insulation industry that is a measure for thermal resistance. It is used to determine the measurement of conductive heat transfer through an insulation material over a period of time.

Every insulation product in the market is made to give the best R-value possible but most of them can only block the transfer of heat through conduction but are ineffective to convection and radiant heat. But spray foam insulation is most effective in obstructing transfer of heat through conduction, convection and radiant heat. Hence it serve the reason it is installed for effectively.

Spray foam insulation may be a little costly to deploy given that you will have to hire a professional to do it for you. But the rewards you reap pay back the money you spend to install it.

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