Learn How To Build Steps For Your Porch

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How To Build Steps General Guidelines

• Determine the number of steps needed
  
  Measure the height (in inches) from the ground to the top of the floor on the porch. Divide that number by 7.5 to the number of steps you will need. (Maximum height is 7.5 inches) Example: if the porch floor is 87 inches from the ground, divide 87 by 7.5 to get 11.6 steps. Round up to get 12 steps.



• Determine the rise
  
  Divide the height in inches by the number of steps. In our example, 87 inches divided by 12 steps equals 7.25 inches. The risers will be 7.25 inches high.



• Determine Total Length: Standard stair tread depth is 10 inches but you can make them larger. Use the depth of the stair tread to determine how far you stairs will extend into your yard.
  
  Multiply the number of steps by the depth of steps. Using our example 12 steps x 10 inches = 120 inches or 10 feet. The staircase will extend 10 feet from the porch.



• Prepare the Landing: The bottom of the steps must be secure. Dig and pour footings to accept posts (to stabilize the steps and support the railings). The footings must extend below the frost line and are normally at least 16 inches wide.



• Mark and Cut the Stringers:
  
  Use 2"x12" boards and measure the top step. If the rise of your steps is 7-1/4 inches place a framing square at one corner of the board. Measure out 7-1/4 inches from the corner of the square. Measure out from the side 10 inches (the depth of the steps).
  
  Trace along the edge of the square to mark the cut line for the stringer. Note: You will not need a riser for the top step as it is attached to the porch framing.
  
  Draw lines for the remaining cuts the same as above.
  
  Lastly create another return. This part of the stringer that sits on the ground.
  
  Using a circular saw, cut along the lines. Use a jigsaw to finish the cuts.





• Attach the Stringers: Attach the stringers to the porch and landing with galvanized deck screws. (Recommend attaching a ledger to the front of the landing or deck for added support).



• Treads: Recommend using 2x6 inch treated lumber for your treads. You can also purchase pre-made treads. Overlap the stringers by at least an inch on front and sides. Fasten with galvanized deck screws. The ends of the stringers should rest on concrete pads to prevent settling.




There you have it - general guidelines for How To Build Steps.

Check out our Porch Anatomy section for ideas on porch railings, porch columns, and porch skirting.





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