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Building wood stairs by Dave Markel Building a set of wood stairs is not nearly as hard as you may think. With some basic wood tools and a bit of algebra you can easily build your own. Of course this can get a bit tricky for stairs with several landings but the method is still the same. This article will cover the steps for building a straight set of stairs. Chances are if you are reading this then you are still learning and won't be taking on a complex stair anyway. Now, we will assume that it is from a deck to a concrete pad. The deck is going to be 48" wide and at eye level from the ground. Tools you will need: You will also need: Find the overall rise Now determine the overall run Take the overall rise, 64", and divide it by 7.25", which is the typical height of 1 riser (step). This gives us 8.83, which rounds up to 9, So we will go with 9 risers. Important: There is always 1 less tread then risers. Whether you go up or down the last step is onto the deck or the pad. So 1 less tread. Now we take 10.5", the width of a typical step, and multiply it by 8. This gives us 84". This is the overall run. While we are doing the math we need to figure out the exact rise of each step. We simply take the overall rise of 64" and divide it by 9 and we get 7.111" or 7-1/8", or close enough to it. So each riser will be 7-1/8". Time for some layout Take some masking tape and wrap a piece around the framing square to establish you rise and run. Mark 10.5" on the outside of the long leg and 7-1/8" on the outside of the short leg. Layout one of the 2x12's on your saw horses or work bench. WIth the long leg of your framing square towards the end of the board start to line up the tape marks to the edge of the board facing you. Once you have the square in position mark the outside edge of it with your pencil. Continue to do this until you have the required number of steps, 8 in this case. This first riser is always shorter by the thickness of the steps, for us that is 1.5". This makes the first riser 5-5/8". Cut 'em out Now use the first stringer as a template for the other two. Lay the stringer onto the 2x12's and trace around it. Then cut out the other stringers the same as the first. Reinforce the stringers Assemble the stairs Now take the 45" 2x6 and nail it in between the bottom of the outside stringers. The 2x6 will fit into the notch cut into the center stringer. This provides the right spacing for the bottom of the stairs and secures them to the pad. Attach them to the deck Install the treads Continue to work your way up the stairs until you reach the top. You are done... well, almost About the Author
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