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Application Support: Ladder Tread
Ladder Tread

Ladder Tread

Ladder Tread

Note: Please print design template at 100% for accurate sizing. Slight scaling may still occur. Therefore it is recommended that all template dimensions are measured for accuracy before using. This should not to be used as a drilling template unless dimensions are checked.

Materials List:

  1. Marine Lumber 1/2" X 12" X 27" TACO part # P10-5012WHA27-1
  2. Black Step Tread TACO part # V12-5815BKA10-1
  3. # 8 stainless steel flat head machine screws with acorn nuts (The length of the screws will depend on the diameter of the tubing it’s attached to)


  1. Table saw Carbide tipped blade with 50-70 teeth
  2. Router 3/16", 3/4" and 1/2" router bits 1/4" round over bit
  3. Drill 3/16" drill bit Countersinking tool


  1. Measure the distance between the vertical tubing of your ladder. If it is different from the 10" in the drawing, adjust for the difference.
  2. Transfer the needed length of your ladder tread to the Marine Lumber and rip the excess off of the long side of the Marine Lumber
  3. Cut as many 1-3/4" wide pieces as there are steps
  4. Set up your router so it will cut right down the middle of the ladder tread
  5. Mark starting and stopping reference lines starting 1/2" from one end, leaving a 1" gap in the middle and ending 1/2" from the other end
  6. Install the 3/4" bit and rout the recess for the top of the insert going 1/8" deep according to the starting and stopping reference lines you just made
  7. Install the 3/16" bit and rout the next cut 1/8" deep from the bottom of the first cut
  8. Turn the piece upside-down
  9. Install the 1/2" bit and rout a notch 1/4" deep completely across from one end to the other end in the middle of the ladder tread
  10. Drill a 3/16" mounting hole 1/2" in from each end and one in the middle and countersink them
  11. Repeat this process with each ladder tread
  12. Place a ladder tread on one rung of the ladder, making sure it is level and drill through the rung at each of the 3 mounting holes
  13. Insert the # 8 stainless steel flat head machine screws and secure with acorn nuts. If the screw is too long, you will have to cut it so the acorn nut fits tight
  14. Repeat steps 12 and 13 to install the remaining ladder treads