How to Build Deck Stairs

Normally you wouldn’t have to build some deck stairs, but if you end up having to, you don’t need to take a class to do it. These tips will help you build the stairs you need to access your deck.

Check with local requirements to determine the measurements you should use.  An example is a minimum width of 36 inches, the depth is 10.5 inches and the height is 7 to 8 inches in its design. The stringers should not be greater than 16 inches apart. Foot adjustments should be 6 x 6 inches of treated wood or roofing paper to prevent rotting.

  • Ideally, the staircase should be constructed with a material designed for exterior use.

Measure the height of the stairs from the bottom of the deck to the ground. Then divide that measurement between 7 or 8.  This will give you the number of steps you will have to make.

  • Adjust the height to achieve the necessary balance. Take the number of steps and multiply them by 10.5 inches. This will give you the length which includes the stair stringer. Take that length and project it out. Now you have the location for the feet of the stairs.

Place the steps on the crossbar, by means of 2 x 12 inches of treated wood, with a square. Adjusts the height to the determined height.

Cut the high with a circular saw. Use a handsaw to finish the cut.

Install the stringers by placing them on top of the overlay, outside the metal frame. Set up vertical cards using 1-inch thick screws in the treated wood.

  • By placing the stringers and bands in place, the installation of the rungs begins. Secure all with screws.

Tips

  • Check frequently the stringers with the T-square.
  • Place the boards face down to avoid tripping.
  • The wood may require you to make holes before drilling the screws in to make it easier to screw.
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