[vc_row][vc_column width="2/3" css=".vc_custom_1434349958983{padding-bottom: 20px !important;}"][vc_column_text] Hollowcore Walling [/vc_column_text][vc_column_text] Hollowcore wall panels are made via slip-forming (or sometimes extrusion). Hollowcore derives its name from the empty internal cores that run the entire panel length and thereby reduce the weight of the panels. Prestressed reinforcing is placed around the cores....