Preconstruction Modeling with BIM Preconstruction modeling is one of the fastest-growing practices in the field of construction today. Contractors, owners, designers, and consultants are all rapidly adopting the technique of building a virtual model of the project, either in whole or in part, before it’s built in the real world. In this webcast we will look at what preconstruction modeling is, why it’s so popular, and how you can use it on your projects.