Foam Wall Insulation – A Great Alternative

Foam wall insulation commonly comes in two forms, spay in and foam board. Many times these types of foam insulation can be used interchangeably. Each has its pros and cons and you will want to consider them carefully before choosing one for your home. Insulating your house will have far-reaching effects especially when it comes to your heating and cooling expenses.

Rigid Foam Insulation

There are many different rigid foam boards used as insulation. They are made of differing materials and can be used nearly anywhere. The major drawback to this form of insulation is the fact that it tends to be a fire hazard. Foam board insulation K Render Manchester should never be installed without the proper fire protection in place, which is usually a sheet of gypsum board. For this reason, many people choose to go with traditional insulation or foam wall insulation that can be blown in.

Blown in Foam

Foam wall insulation that is typically blown in comes in several varieties as well. You can find simple applications that are great for sealing cracks and crevices around the home to seal out insects, heat, cold and moisture or you can choose a professional application, which will blow foam insulation into all the empty recesses of your walls, roof, and any other empty crevice that is losing energy from your home.

Professionals agree that the best way to apply this type of foam wall insulation is through the interior of your home. Contractors can easily locate studs, which make their job much simpler. Voids beneath windows and in odd places are caught, while from the outside it is more of an educated guess. Plus the vapor barrier is not broken by going through the outer walls. However, many homeowners are less than happy with the prospect of repairing holes in their drywall not to mention the incredible amount of dust it can kick up. Therefore, most people choose to have the insulation blown in from the outside of the house.

In order to accomplish this application small holes are placed in the siding and special devices are used to blow the insulation into the walls. Though you will be left with small stoppers, lining your siding these are easily caulked and painted or you can choose to replace the siding in that area. The problem with this type of application is that many empty areas can be missed.


There are many types of foam wall insulation it can be made of various materials and have differing applications. Your best bet is to speak to a professional about your specific situation before deciding on an insulation type. For instance, the age of your home, geographical location and budget are all things that can affect the type of insulation you need. Extreme climates may demand a higher R-factor on your insulation or even more barriers because of moisture.



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