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You build a new deck and come down to the last step...estimating, laying out and cutting your steps. Evans Lumber Company can cut those stair horses for you in our shop. Given the correct measurements your new stair horses should fit perfectly.
First we recommend that you use Yellow Pine Wolmanized treated 2x12's for the stair horses. Your safety and the safety of your family is no place to take chances on a smaller size of lumber. Also, using the treated lumber assures you that the stairs will not rot and weaken with age.
To calculate the correct measurements for cutting your stairs you will need the following measurements. It you intend on having the stair horses cut in Evans Shop, we will need measurements on A and D.
(A) Measure accurately from the top of your floor to the ground or floor.
(B) This will be the rise. The rise should be between 7" and 8". Less than 7" will work but in no case should you have more than an 8" rise. In fact, most codes will not allow more than 8 inches. Divide (A) by 7 or 8, either one, if the number comes out even that is the number of rises. Chances are the number will not be even, so divide by (7.25,7.33,7.50,7.75) or any fraction between 7 and 8 until the result comes out even. It must come out even to make the steps equal. Example ( A=98",divide by 8= 12.25. That won't work but divide by 7 and that equals 14. 14 is the number of rises at 7".
(C) C is the tread. You will have one less tread than you will have risers. Treads can be approximately 9-1/2" to 11", this will determine where the bottom of the steps will be. If you have something in the way, such as an air-conditioner or wall you will want to make the treads as small as possible. If you have no restrictions than a larger tread will make a more comfortable step.
(D) D is the distance from the floor to the end of the steps. This is critical only if you are restricted in space for the stairway. |
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