Penn Fabrication Inc was responsible for the 20ft diameter Christmas wreath which was installed on The White House in Washington DC. Designer Robert Isabel used Penn's 10 inch box truss system to construct a strong, rigid structure that would withstand the elements but also be relatively lightweight and easy to work with. Sapsis Rigging of Philadelphia, PA were responsible for the installation using cranes to lift the massive wreath onto the second storey portico of The White House.
