A machine for applying support members to opposing sides of opposing edges of a sheet material includes a support tab applicator assembly that applies a first portion of a support tab along a longitudinal edge of a first side of the sheet material, a support tab finisher assembly that applies a second portion of the support tab disposed opposite the first portion to a second side of the sheet material disposed opposite the first side, and a hole punch assembly that cuts a hole through the sheet material. The machine also may include a strengthening film applicator assembly that applies a strengthening film along a longitudinal length of the first side of the sheet material and/or across the support tab.