![]() ![]() That generally means Types V and III for light-wood frame construction, and Type IV for heavy timber. At landings, care should be taken to avoid extending the back of the horizontal bottom cut beyond the limits of the landing to prevent splitting of the stringer.Īllowable Materials and Fire Resistance RatingsĢ018 IBC Section 1011.7 indicates that stairways must be built of materials that are consistent with the construction type. The bottoms of stair stringers often bear on top of landings or the floor below. Several companies make adjustable slope hangers for both dimension and engineered wood products that make these connections easy to install and provide reliable capacity.
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