Report (Vertical) - Sitemason

Stair Riser and Tread Dimensions—the slope of stairs is the ratio of riser height to tread depth. The preferred slope for stairs is about 30 to 35 degrees from horizontal. Slopes between 20 and 50 degrees are acceptable. (Refer to Table 7-A-1 that shows acceptable combinations of stair riser and tread … ................
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