Spray foam insulation prevents energy loss, provides a cozier home environment, and reduces energy bills. It also contributes to the health and longevity of your roof, making it a wise investment in your home. However, many homeowners who tackle insulation projects on their own or hire inexperienced contractors make costly mistakes that significantly reduce the benefits of the investment and even cause damage.

The most common attic insulation mistake is not properly sealing air leaks. These gaps allow conditioned air to escape in the winter and outdoor pollutants into your home in the summer, which makes it necessary to use caulk or spray foam to seal around vents, plumbing vents, chimney chases, electrical wiring, and other penetration points. Sealing these air leaks prevents the escape of conditioned air and blocks entry points for moisture, dust, and pests that can degrade insulation and affect indoor air quality.

How to Avoid Common Attic Insulation Mistakes

Another common attic insulation mistake is using the wrong type and R-value for your climate zone. Choosing the right insulation R-value helps reduce energy costs, ensures that your home stays comfortable year-round, and may help you qualify for energy efficiency rebates from local utility companies or government agencies.

A third mistake is failing to include a vapor barrier in the attic. A vapor barrier, which is commonly made of plastic, foil or polyethylene, blocks the movement of water vapor that could otherwise degrade insulation, promote mold and mildew growth, and harm your home’s structure. It is typically installed alongside XPS rigid foam or spray foam in an attic, or if you choose to install faced insulation (like fiberglass or cellulose), it can be incorporated into the insulation.

Coastline Insulation
268 Serenoa Rd Unit 2B, Santa Rosa Beach, FL 32459
(850)-565-1027