ADC-NB-50TB

30" x 54" Thermally Broken Ship Stair Access Roof Hatch

30" x 54" Thermally Broken Ship Stair Access Roof Hatch Using a 90 degree access ladder can be tedious to walk on at times. Instead of a usual 90 degree access door, you can use the ship stairs. And for this type of stair, it needs a specific access...