Cullen Insulation

Cullen Insulation is dedicated to quality from start to finish, providing a wide range of services including fiberglass, spray foam, rigid foam insulation, waterproofing, and air barrier installation for both residential and commercial projects. With a strong commitment to excellence, our team of experts has earned a reputation for delivering exceptional results. Our roots in the community date back to 1988, starting with a humble beginning and growing to five locations, serving North Dakota, South Dakota, Minnesota, Northwest Iowa, and Montana. Our team of over 60 members operates more than 40 vehicles, ensuring we can reach you whenever you need. We take pride in our workmanship and attention to detail, striving to exceed expectations with every project.

Our Services

Our services include fiberglass insulation, spray foam insulation, rigid foam insulation, waterproofing, and air barrier installation. We cater to a variety of structures such as schools, hospitals, multifamily units, government buildings, and residential homes. We work with trusted manufacturers like Owens Corning and BASF to ensure the highest quality for our clients. Whether you're looking to improve energy efficiency or enhance the comfort of your space, we have the expertise to meet your needs.

Why Choose Us

By selecting Cullen Insulation, you benefit from the peace of mind that comes with knowing your insulation contractor has been certified by Owens Corning. Our team is trained to optimize comfort, acting as energy consultants with extensive training and hands-on experience. We are regularly tested and assessed to ensure our services meet the highest standards. With our commitment to excellence, you can trust that your project will be completed on time and to the best possible standard.