Expert Attic Insulation Services in St. Louis, MO
Welcome to Gonz Insulation. We are your source for all things attic insulation in St. Louis and Eastern Missouri. With years of experience installing insulation in both vented and unvented attics, we provide our services for local homeowners, and we also have the team and resources necessary to handle larger commercial jobs in the local area as well.
Call us today to request a free inspection and estimate for your attic.

Our Attic Insulation Services in St. Louis, MO
Proper attic insulation prevents damage to your home is several ways. Moisture, heat, and other natural elements can destroy your home over time without proper insulation. In addition, poor insulation can lead to pest infestation. A well-insulated and air sealed attic is important to ensure outdoor air is not entering your home, which could lead to increased energy costs.
Without proper insulation, you could also be vulnerable to damage to your roof (caused by moisture and rain). You may also notice improved air quality and overall comfort inside your home with new insulation. Here at Gonz Insulation, we offer insulation for vented and unvented attics:
Regardless of your type of attic and its size, you can trust that Gonz Insulation can properly insulate the space. Our insulation materials last for decades. In fact, when you choose spray foam, there is a good chance that your insulation material will last for a lifetime.
Types of Attic Insulation Materials
We understand that no two clients are the same. Subsequently, we offer a variety of attic insulation materials, so you can receive personalized services that meet your project needs and budget. Notably, the types of insulation material we provide for our clients include open-cell spray foam, closed-cell spray foam, fiberglass, and cellulose.

The Benefits of Attic Insulation in Saint Louis, MO
There are many unique advantages our clients receive when they choose us for their new attic insulation in Saint Louis, MO and the surrounding areas. Ultimately, the benefits you receive may vary based on the type of material you choose. However, below are some of the more common benefits you receive with new insulation.

When to Consider Attic Insulation Replacement Service
Every property owner and manager should assess their own need for attic insulation replacement. There are certain signs that indicate a need to replace (or repair) insulation material. These signs include:
- Your insulation material is more than 15 years old
- There are signs of physical damage to your insulation
- There is evidence of pests in your attic space
- You have noticed an unexplained increase in energy costs
- There is water or moisture damage in your attic space
We recommend an inspection of your property’s insulation material every several years. Although some insulation can last for 30 years or more if properly installed, you likely require replacement if it is over 15 years old, especially if the material is made of fiberglass or cellulose.
