When it comes to keeping future residents happy in their new apartment or condo, count on Cullen Insulation to take on the task. Every unit in a multifamily building has unique insulating and energy efficiency needs. Our highly trained team is ready to determine and meet the energy needs of your multifamily building project.  

Future residents and owners will enjoy the many benefits of our insulation and air sealing services, such as lower emissions for a smaller carbon footprint, less stress on each unit’s HVAC system, sound reduction between walls for a quieter unit, and protection against water damage.  

Multifamily builders and contractors have trusted us with their insulation, air sealing, and waterproofing needs since 1988 because they know we show up and get the job done right, every time. Our team strives to build lasting customer relationships and treats every building like it’s their own.  

Interior room with unfaced fiberglass batts on ceiling, polyethylene‑covered wall batts and metal hat‑channel grid in multifamily build.

Our Multifamily Insulation Services Include: 

Clear plastic vapor‑barrier sheeting stapled to interior wall framing, with a small bead of spray foam sealing an electrical wire penetration through the stud.

Air Sealing

Don’t let valuable air escape through tiny gaps and penetrations throughout your multifamily building project. Air sealing is the most effective way to eliminate those tiny energy wasters, especially around windows, doors, and light fixtures, using our can foam air sealant. 

Fiberglass Insulation 

A tried-and-true insulation, fiberglass insulation is a popular choice for multifamily buildings. Made of small glass fibers, this versatile product comes in both blanket/batt form and loose-fill for a blown-in application. It provides future residents with the privacy and efficiency they need. We rely on the quality products from Owens Corning and Johns Manville.  

Interior room under construction showing pink fiberglass batt insulation covered by clear polyethylene vapor-barrier sheeting on walls and ceiling framing.
Interior basement walls lined with reflective rigid foam insulation panels, with exposed floor joists overhead

Rigid Foam Board Insulation 

Help future owners protect their investment. Create a weather-resistant barrier and enhance your multifamily building project’s resistance to air and moisture with rigid foam board insulation. Ideal for exterior foundation walls, we install both above-grade and low-grade rigid foam board from Owens Corning and Johns Manville.  

Spray Foam Insulation 

Save time with the dual-acting powers of spray foam insulation. This expanding foam insulates and air seals in one easy step for increased energy efficiency and better indoor air quality throughout each apartment or condominium of your multifamily building project. We install the fine products from BASF Spray Polyurethane Foam and Johns Manville. 

Interior view of a multifamily building under construction with spray foam insulation applied to walls and ceiling framing, showcasing an elevated work platform.
Worker rolling black waterproofing onto a curved stone foundation wall in an open excavation.

Waterproofing  

Help keep water and moisture from seeping into your multifamily building project’s foundation. Protect it from the elements with our waterproofing solutions. We install a wide range of effective fluid-applied and self-adhered waterproofing materials to the building’s exterior foundation walls.   

Create Comfortable Living Spaces for Future Residents 

Future residents expect to live in a cozy, comfy condo or apartment throughout every season. And multifamily building owners want to maximize their building’s energy efficiency and their monthly energy bill savings. Our expert team is here to help with both. We install tailored insulation, air sealing, and waterproofing solutions for multifamily buildings throughout our service areas, including North Dakota, South Dakota, Montana, and more. We deliver excellence in all we do, which is why local builders keep coming back to us year after year, successful project after successful project. Contact us today to learn more about our multifamily insulation options for your building project.