Construction specifications are a detailed set of instructions that describe the materials and methods required to construct each component of the project. The design team produces the specification document or “spec book” — usually formatted as a digital and/or hard-copy binder — that outlines a project’s requirements.

Construction specification types, often called “specs,” are written documents that accompany and complement a set of construction drawings or blueprints. They provide a detailed description of the materials, products, and workmanship necessary for a construction project.

The specification sheet lists the materials used, giving all involved a better idea of how the finished home will look. That’s why the specification sheet is so crucial. In general, the more detailed the specification sheet is, the better.