The year 2011 saw the Department of Homeland Security and the Social Security Administration taking an increasingly aggressive stance in using all available information to curb the hiring of unauthorized workers and to penalize employers who do.
Roofing Contractorasked a variety of industry insiders and other professionals to share their insights on key trends they’ve indentified in the commercial and residential roofing markets and offer advice on the key problems facing contractors in the year ahead.
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.