SKU: NWSS-BH-01 Category:


  • Designed for vertical shaft installation
  • Spring loaded lift assistance cylinders for opening
  • Spring loaded shock absorbers to keep door frame from closing uncontrollably
  • 3/8 inch thick steel door leaf
  • 3 inch square tubing for reinforcement
  • 3/4 inch steel plate internal hinges
  • Dimensions: 38.5″ X 38.5″ X 12.5″
  • Removable hydraulic jack, this is extremely useful in the event that debris falls on your hatch opening while you are inside.
  • Removable lock hasp with NBC seal for self rescue

Financing Available


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