Exterior Stair Footings at Exterior

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Exterior Stair Footings. In addition to the footings, make the first step out of concrete. Frost footings help keep post movement down, whether it’s on your deck posts or stair posts.

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R311.5.1) we permit the #3 exception. When compared the trapezoidal footing with the flat footing, the usage of concrete is less. Footings are especially important in areas with troublesome soils.

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Start date aug 9, 2017; The total concrete needed for the 3' by 3' porch will be.28 cubic yards. (.11 +.17 cubic yards =.28 cubic yards) repeat this for added layers of steps. The minimum width of the stairway shall be 44, unless the stairway serves an occupancy of less than 50, in which case the minimum width is 36.