Cullen Insulation

Driven by a commitment to energy efficiency and comfort, Cullen Insulation brings years of expertise to the residential and commercial sectors. Established in 1988 with humble beginnings, we've grown into a leading insulation contractor serving North Dakota, South Dakota, Minnesota, Northwest Iowa, and Montana. Our five locations are strategically placed to ensure prompt and personalized service across the region.

Our Expertise

Our seasoned team tackles projects of any size and scope, offering a comprehensive suite of services designed to enhance energy efficiency, comfort, and the overall performance of your property.

Services offered

• Fiberglass Insulation: Installed by certified technicians using industry-leading techniques for optimal effectiveness and longevity.
• Spray Foam Insulation: Provides a seamless and effective air seal, reducing energy leaks and improving thermal performance.
• Rigid Foam Insulation: Offers outstanding insulation and structural support, ideal for walls, floors, and roofs.
• Waterproofing: Creates a barrier against moisture intrusion, protecting your property from water damage and foundation settlement.
• Air Barrier Installation: Ensures a tight seal throughout your property, preventing air infiltration and improving indoor air quality.

Quality & Integrity

We prioritize quality and integrity in everything we do. Our partnerships with trusted manufacturers like Owens Corning guarantee industry-leading materials. Our team is highly skilled, certified, and dedicated to exceeding expectations.

Our Promise

At Cullen Insulation, we stand by our work and are committed to providing:

• Exceptional customer service: Responsive communication, personalized solutions, and respect for your property.
• Expert craftsmanship: Attention to detail, meticulous installation, and adherence to building codes.
• Competitive pricing: Honest and transparent pricing with no hidden fees.
• Timeliness: Efficient scheduling and completion times to minimize disruptions.