Insulated VS/VPS base Only, 4inch wide flange

FEATURES

  • Heat mold injected polyurethane foam lined with 9.2 mm (.363") insulation thickness
  • Uniform rigid insulation thickness on all interior walls
  • Stack made of seamless HD spun aluminum
  • .07" (1.8mm) aluminum material thickness 12.6" (320mm) stack height without cap
  • Stack top opening I.D. 102 mm or 4.01" between foam walls
  • Available with either 3", 4" or Vandal Proof cap
  • Caps are spun aluminum and attached to vent stack (screwed)
  • Vent Stack flashing to be used on vent pipes such as Soil Stacks or Sanitary pipes
  • Heavier grade quality aluminum than the other brands