Who is FeNB2Staalframebouw BV? FeNB2 is a technical designer and producer of prefabricated LGS buildingcomponants, complete buildings consisting of Floors, Walls, Pods, and modular building extentions. Not just frames, but completely isolated, gyspsum/mgo boards on the inside, coldbridge disconecting isolation on the outside, inclusive installation preparation, installed windowframes....