Fixed Ladder Worksheet


Fiberglass Reinforced Plastic (FRP) Ladders are designed engineered and custom fabricated by Structural Fiberglass Incorporated (SFI) in accordance with OSHA standards, Section 1910.27, entitled “Fixed Ladders”. Rung to side rail connections are bonded and pinned with a dowel rod to prevent any possibility of rung rotation and pullout.


  • FRP Ladders are fabricated from the following “Safety Yellow” color FRP pultrusions with a fire retardant polyester resin, 50% glass content and surface veil for protection against ultraviolet attack.
  • Ladder Side Rails = 1 3/4″ x 1-3/4″ x 1/4″ Square Tube.
  • Ladder Rungs = 1 1/4″ Diameter x 0.160 Fluted Rungs or 1 1/4 x 1/4 Square Tube Rung with Factory applied Epoxy Based non-skid grit surface
  • Ladder Dowel Pin = 1/4″ Dia. Solid Round Rod.