Grand Sealants Inc., trade name GSC Construction was started in 2002 in Grand Forks, ND.  It is locally  owned and operated by Mark and Nichole Syverson.
Our goal is to make sure all our customers are completely at ease and satisfied during the building and planning of their new home, remodel, room addition, or concrete project.
We strive to make sure you are aware of all phases of construction, so you are always "in the know".