MJ Dalsin, Inc. is in. West Fargo, ND. Phone. 701-282-0509. Work will be performed in multiple cities and towns throughout North Dakota and Minnesota in Cass, Barnes, Richland, Grand Forks, Polk, and Becker counties. A roofer helper, also known as a roofing assistant or roofing laborer, plays a crucial role in supporting the roofing team with various roof installation, repair, and maintenance tasks. Specific duties include material preparation an...