The Walgreens distribution facility in Windsor, Wis., was originally built in 1980 with a standing seam steel roof offering an R-value of 9.5. Owners decided it was time to improve the energy efficiency of the distribution center and hired RRK Associates, Ltd., to carry out the project.

When Tremco Incorporated decided to renovate its Beachwood, Ohio, company headquarters from top to bottom, the construction materials and services company knew there was a wealth of internal expertise they could tap into.

Daylighting is the use of natural light as a main illumination source from a myriad of glazing devices in both vertical and horizontal positions within a building.