Expanding foam insulation - tips and alternatives

Ceilings, walls, attics and basements usually use expanding foam insulation. This type of insulation it is also used for window seals, electrical boxes, outlets and other small enclosed places. It is also used by sailors for docks and pilots for wings.

In this article you will find precious information about it and about how it is applied.

Expanding foam insulation has a lot of advantages if we think about improving the air quality and lowering air conditioning costs. It is a great air sealer and eliminates wind washing, caulking, and house wrap or vapor seal. Expanding foam reduces also the noise and prevents flooding. It is not biodegradable and controls condensation as well.

Also, you can apply this foam over an old material but remember that you can still choose it from three options: loose fill, batt and blanket and rigid foam board. First material is made of fiberglass or cellulose. Expanding foam is blown into the walls to create a blanket effect and it is used to unfinished attics or walls. Batt and blanket it is a good option as it is made from fiberglass and rock wool. It is cheap, but requires a good installation process.

Rigid board is the last option to think about when you consider choosing your material. It is made of fiberglass polystyrene or polyurethane. It is used for flat roofs, basement walls, cathedral ceilings and perimeter insulation. It is not resistant to fire and it must be covered with fire resistant paneling or dry wall. You will also need treated material or insecticide to keep bugs away from it. So, this is not a good option as expanding foam is cheaper, more efficient and easier to install. However, you should keep in mind that is ecological and reduces noise.

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