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How to build deck stairs - Decks.com

Learn how to build deck stairs. Use the stair calculator on decks.com to determine the number of stairs and the rise and run of each individual step. Watch as professional deck builders layout, cut, and attach stair stringers . Get helpful tips on how to finish the treads and risers to achieve an attractive and well built staircase. Stair Requirements: IRC code requires stairs must be at least 36 wide. A 3 x 3 landing area is required at the bottom of all stairs. In most cases flat ground can qualify as a landing. The maximum stair rise is 7-3/4. The minimum recommended rise is 4. The minimum tread depth is 10. The largest tread width or riser height shall not exceed the smallest by more than 3/8. Stairs must provide a minimum of 6-8 headroom clearance and shall be illuminated at the top landing.