Therma-Tru Corp., the nation’s leading manufacturer and most preferred brand of entry doors, has introduced its 2013 “Unlock the Opportunities” national sweepstakes for builders, remodelers, dealers, door fabricators and contractors.*

This topic includes information related to access doors and panels installed during construction. Access doors and panels provide access through a floor, wall or ceiling to concealed spaces that commonly contain systems of a structure. Doors, panels and frames are manufactured products.