Spray Foam Insulation – Pros and Cons

November 22, 2023

spray foam insulation insulation is a great option for homeowners seeking to improve the energy efficiency of their home and reduce monthly utility bills. It is highly effective against the biggest source of home heat loss — air leakage — by forming an air barrier that stops hot and cold air from passing through cracks, gaps and holes in the building envelope.

It is also very flexible, conforming to tight spaces and nooks and crannies that other types of insulation cannot. It can also be applied to surfaces that would be difficult to insulate using other methods such as blown-in insulation. It can be sprayed over existing insulation or placed in conjunction with other types of insulation, ensuring a complete and even layer.

Spray Foam Insulation 101: Uncovering the Science of Energy Efficiency

However, spray foam insulation is not without its pitfalls. It is important to discuss the benefits and drawbacks of this product with your contractor before installing it in your home. In this episode of the BS* + Beer podcast, Allison and Matt discuss the different types of spray foam insulation, including open-cell and closed-cell polyurethane foams, the differences between the two, and how to choose the best type for your application.

It is also important to note that spray foam insulation requires professional installation by trained technicians who have the right equipment to do the job safely. These contractors use mobile rigs to mix and spray the foam. The rigs ensure that the insulation is properly mixed and sprays evenly. This helps avoid sagging and bubbles, as well as the potential for mold growth in areas with poor air flow or humidity. In addition, professional technicians can better understand the proper sizing of the insulation and apply it in the correct thickness to meet building codes.

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