Cullen Insulation
(701) 738-0640
3156 N Washington St., Grand Forks, North Dakota, 58203
Business hours
Mon-Fri: 07:00 - 16:30
Sat-Sun: Closed
About us
We’ve been part of the Grand Forks community since 2007, bringing dependable insulation and building envelope services to local homes, schools, and businesses. We’re proud to work with and for the people of Grand Forks every day, creating a more energy-efficient community with every project.