The Hatfield Library

A building envelope assessment evaluates all six sides of the building, including the attic/roofs, walls and floors and all of intersections connecting the building's assemblies. Assessments identify locations of air leakage losses and thermal transfer – the two primary modes of energy loss in buildings.

The library installed 8", 12" and 16" cellulose insulation installed in the attic and air tight drywall boxes were placed over recessed lights.